diff --git a/backend/backups/backup_2026-01-21T01-50-59-025Z.json b/backend/backups/backup_2026-01-21T01-50-59-025Z.json
deleted file mode 100644
index c729abe..0000000
--- a/backend/backups/backup_2026-01-21T01-50-59-025Z.json
+++ /dev/null
@@ -1,1280 +0,0 @@
-{
-  "timestamp": "2026-01-21T01:50:59.026Z",
-  "version": "1.0.0",
-  "data": {
-    "devices": [
-      {
-        "deviceId": "DEV001",
-        "name": "Cisco 路由器002",
-        "type": "router",
-        "model": "Cisco ISR 4451",
-        "serialNumber": "SN9358685702",
-        "rackId": "A05",
-        "position": 6,
-        "height": 2,
-        "powerConsumption": 266,
-        "status": "offline",
-        "purchaseDate": "2023-07-12 16:00:00.000 +00:00",
-        "warrantyExpiry": "2027-07-11 16:00:00.000 +00:00",
-        "ipAddress": "192.168.12.51",
-        "description": "接入路由器，用于路由器002业务",
-        "customFields": "{\"position\":6,\"height\":2,\"powerConsumption\":266,\"rackId\":\"A05\"}",
-        "createdAt": "2025-12-30 06:00:33.729 +00:00",
-        "updatedAt": "2025-12-30 06:00:33.729 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_1",
-        "name": "KuaiShou_Server_1",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "819185652",
-        "rackId": "C06",
-        "position": 1,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":1,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.243 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.243 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_2",
-        "name": "KuaiShou_Server_2",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "819185655",
-        "rackId": "C06",
-        "position": 3,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":3,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.343 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.343 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_3",
-        "name": "KuaiShou_Server_3",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "819185650",
-        "rackId": "C06",
-        "position": 5,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":5,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.413 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.413 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_4",
-        "name": "KuaiShou_Server_4",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "819185653",
-        "rackId": "C06",
-        "position": 7,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":7,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.482 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.482 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_5",
-        "name": "KuaiShou_Server_5",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J3012OPF",
-        "rackId": "C06",
-        "position": 9,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":9,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.552 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.552 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_6",
-        "name": "KuaiShou_Server_6",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J30120PE",
-        "rackId": "C06",
-        "position": 11,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":11,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.623 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.623 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_7",
-        "name": "KuaiShou_Server_7",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J3015R86",
-        "rackId": "C06",
-        "position": 13,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":13,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.695 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.695 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_8",
-        "name": "KuaiShou_Server_8",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J3012OPG",
-        "rackId": "C06",
-        "position": 15,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":15,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.774 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.774 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_9",
-        "name": "KuaiShou_Server_9",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J3012ONZ",
-        "rackId": "C06",
-        "position": 17,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":17,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.843 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.843 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_10",
-        "name": "KuaiShou_Server_10",
-        "type": "server",
-        "model": "SR570",
-        "serialNumber": "J300Z86R",
-        "rackId": "C06",
-        "position": 19,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":19,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:56.912 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.912 +00:00"
-      },
-      {
-        "deviceId": "测试",
-        "name": "测试",
-        "type": "server",
-        "model": "RH2288HV3",
-        "serialNumber": "2102310YJV10H1001224",
-        "rackId": "C07",
-        "position": 6,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":6,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:56.982 +00:00",
-        "updatedAt": "2025-12-30 06:00:56.982 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_万兆switch",
-        "name": "透明缓存_万兆switch",
-        "type": "switch",
-        "model": "DELL N4032F",
-        "serialNumber": "3X9L0Z1",
-        "rackId": "C06",
-        "position": 37,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":37,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.053 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.053 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_千兆管理switch",
-        "name": "透明缓存_千兆管理switch",
-        "type": "switch",
-        "model": "catalyst  C3560G",
-        "serialNumber": "F0C1652V0EM",
-        "rackId": "C06",
-        "position": 35,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":35,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.122 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.122 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_网络流量处理系统",
-        "name": "透明缓存_网络流量处理系统",
-        "type": "switch",
-        "model": "A10",
-        "serialNumber": "NUlll",
-        "rackId": "C06",
-        "position": 33,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":33,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.191 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.191 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_安全堡垒机",
-        "name": "透明缓存_安全堡垒机",
-        "type": "server",
-        "model": "DELL R730XD",
-        "serialNumber": "7YFJXP2",
-        "rackId": "C06",
-        "position": 30,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":30,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.275 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.275 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_AU3000",
-        "name": "透明缓存_AU3000",
-        "type": "server",
-        "model": "DELL R730XD",
-        "serialNumber": "7Y4LXP2",
-        "rackId": "C06",
-        "position": 27,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":27,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.345 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.345 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_GC2508_1",
-        "name": "透明缓存_GC2508_1",
-        "type": "server",
-        "model": "DELL R730XD",
-        "serialNumber": "7ZCQXP2",
-        "rackId": "C06",
-        "position": 24,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":24,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.413 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.413 +00:00"
-      },
-      {
-        "deviceId": "透明缓存_GC2508_2",
-        "name": "透明缓存_GC2508_2",
-        "type": "server",
-        "model": "DELL R730XD",
-        "serialNumber": "7ZCJXP2",
-        "rackId": "C06",
-        "position": 21,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":21,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:57.593 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.593 +00:00"
-      },
-      {
-        "deviceId": "lvs1.cn3096",
-        "name": "lvs1.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "CK15B81R03E",
-        "rackId": "D11",
-        "position": 24,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":24,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:57.678 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.678 +00:00"
-      },
-      {
-        "deviceId": "HUB-1",
-        "name": "HUB-1",
-        "type": "switch",
-        "model": "锐捷",
-        "serialNumber": "G1LQ6AN015306",
-        "rackId": "D11",
-        "position": 41,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":41,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:57.781 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.781 +00:00"
-      },
-      {
-        "deviceId": "CNW-EC-SELBPART-G1-1.CN3096",
-        "name": "CNW-EC-SELBPART-G1-1.CN3096",
-        "type": "switch",
-        "model": "锐捷",
-        "serialNumber": "G1PH70Q10380A",
-        "rackId": "D11",
-        "position": 43,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":43,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:57.880 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.880 +00:00"
-      },
-      {
-        "deviceId": "CNW-EC-SELBPART-G1-2.CN3096",
-        "name": "CNW-EC-SELBPART-G1-2.CN3096",
-        "type": "switch",
-        "model": "锐捷",
-        "serialNumber": "G1PH70Q106626",
-        "rackId": "D12",
-        "position": 43,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":43,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:57.963 +00:00",
-        "updatedAt": "2025-12-30 06:00:57.963 +00:00"
-      },
-      {
-        "deviceId": "lvs2.cn3096",
-        "name": "lvs2.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "CK15B81R03C",
-        "rackId": "D12",
-        "position": 21,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":21,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:58.035 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.035 +00:00"
-      },
-      {
-        "deviceId": "LS-6850-56HF-H1",
-        "name": "LS-6850-56HF-H1",
-        "type": "switch",
-        "model": "S6850",
-        "serialNumber": "210235A2PQP213000096",
-        "rackId": "C06",
-        "position": 41,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":41,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:58.113 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.113 +00:00"
-      },
-      {
-        "deviceId": "LS-5130S-52S-EI",
-        "name": "LS-5130S-52S-EI",
-        "type": "switch",
-        "model": "S5130",
-        "serialNumber": "219801A12F9211Q00168",
-        "rackId": "C06",
-        "position": 39,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":39,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C06\"}",
-        "createdAt": "2025-12-30 06:00:58.185 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.185 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_13",
-        "name": "KuaiShou_Server_10",
-        "type": "server",
-        "model": "Dell R540",
-        "serialNumber": "GLR4D43",
-        "rackId": "D11",
-        "position": 30,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1900-01-01 00:00:00.000 +00:00",
-        "warrantyExpiry": "1920-01-02 00:00:00.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":30,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:58.266 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.266 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_11",
-        "name": "KuaiShou_Server_11",
-        "type": "server",
-        "model": "Dell R540",
-        "serialNumber": "GLQXC43",
-        "rackId": "D11",
-        "position": 33,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":33,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:58.334 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.334 +00:00"
-      },
-      {
-        "deviceId": "KuaiShou_Server_12",
-        "name": "KuaiShou_Server_12",
-        "type": "server",
-        "model": "Dell R540",
-        "serialNumber": "GLR6D43",
-        "rackId": "D11",
-        "position": 36,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":36,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:58.405 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.405 +00:00"
-      },
-      {
-        "deviceId": "测试1",
-        "name": "测试1",
-        "type": "server",
-        "model": "DELL R730XD",
-        "serialNumber": "713L52X",
-        "rackId": "C07",
-        "position": 12,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1900-01-01 00:00:00.000 +00:00",
-        "warrantyExpiry": "1920-01-02 00:00:00.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":12,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.475 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.475 +00:00"
-      },
-      {
-        "deviceId": "测试2",
-        "name": "测试1",
-        "type": "server",
-        "model": "华为2288HV3",
-        "serialNumber": "2102311QGK10H1000053",
-        "rackId": "C07",
-        "position": 15,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1900-01-01 00:00:00.000 +00:00",
-        "warrantyExpiry": "1920-01-02 00:00:00.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":15,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.545 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.545 +00:00"
-      },
-      {
-        "deviceId": "测试3",
-        "name": "测试3",
-        "type": "server",
-        "model": "华为2288HV3",
-        "serialNumber": "210235G78M10E1000139",
-        "rackId": "C08",
-        "position": 3,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1900-01-01 00:00:00.000 +00:00",
-        "warrantyExpiry": "1920-01-02 00:00:00.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":3,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C08\"}",
-        "createdAt": "2025-12-30 06:00:58.614 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.614 +00:00"
-      },
-      {
-        "deviceId": "快手扩容-1",
-        "name": "快手扩容-1",
-        "type": "server",
-        "model": "Lenovo SR570",
-        "serialNumber": "J300LENE",
-        "rackId": "C07",
-        "position": 27,
-        "height": 1,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":27,\"height\":1,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.685 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.685 +00:00"
-      },
-      {
-        "deviceId": "快手扩容-2",
-        "name": "快手扩容-2",
-        "type": "server",
-        "model": "Inspur SA5212M5",
-        "serialNumber": "819434370",
-        "rackId": "C07",
-        "position": 24,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":24,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.755 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.755 +00:00"
-      },
-      {
-        "deviceId": "快手扩容-3",
-        "name": "快手扩容-3",
-        "type": "server",
-        "model": "Inspur SA5212M4",
-        "serialNumber": "819280575",
-        "rackId": "C07",
-        "position": 21,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":21,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.825 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.825 +00:00"
-      },
-      {
-        "deviceId": "快手扩容-4",
-        "name": "快手扩容-4",
-        "type": "server",
-        "model": "Inspur SA5212M5",
-        "serialNumber": "819452802",
-        "rackId": "C07",
-        "position": 18,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":18,\"height\":2,\"powerConsumption\":500,\"rackId\":\"C07\"}",
-        "createdAt": "2025-12-30 06:00:58.950 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.950 +00:00"
-      },
-      {
-        "deviceId": "merge1.cn3096",
-        "name": "merge1.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "818307883",
-        "rackId": "D11",
-        "position": 3,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":3,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.023 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.023 +00:00"
-      },
-      {
-        "deviceId": "cache6.cn3096",
-        "name": "cache6.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "818306720",
-        "rackId": "D11",
-        "position": 6,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":6,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.102 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.102 +00:00"
-      },
-      {
-        "deviceId": "cache5.cn3096",
-        "name": "cache5.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "819585227",
-        "rackId": "D11",
-        "position": 9,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":9,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.172 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.172 +00:00"
-      },
-      {
-        "deviceId": "cache4.cn3096",
-        "name": "cache4.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "219830538",
-        "rackId": "D11",
-        "position": 12,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":12,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.243 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.243 +00:00"
-      },
-      {
-        "deviceId": "cache3.cn3096",
-        "name": "cache3.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "218269526",
-        "rackId": "D11",
-        "position": 15,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":15,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.435 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.435 +00:00"
-      },
-      {
-        "deviceId": "cache2.cn3096",
-        "name": "cache2.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "818294133",
-        "rackId": "D11",
-        "position": 18,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":18,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.505 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.505 +00:00"
-      },
-      {
-        "deviceId": "cache1.cn3096",
-        "name": "cache1.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "818458511",
-        "rackId": "D11",
-        "position": 21,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":21,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D11\"}",
-        "createdAt": "2025-12-30 06:00:59.575 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.575 +00:00"
-      },
-      {
-        "deviceId": "cache7.cn3196",
-        "name": "cache7.cn3196",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "819268886",
-        "rackId": "D12",
-        "position": 18,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":18,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:59.645 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.645 +00:00"
-      },
-      {
-        "deviceId": "cache8.cn3196",
-        "name": "cache8.cn3196",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "818281019",
-        "rackId": "D12",
-        "position": 15,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":15,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:59.714 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.714 +00:00"
-      },
-      {
-        "deviceId": "cache9.cn3196",
-        "name": "cache9.cn3196",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "218280243",
-        "rackId": "D12",
-        "position": 12,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":12,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:59.784 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.784 +00:00"
-      },
-      {
-        "deviceId": "cache10.cn3096",
-        "name": "cache10.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "218269518",
-        "rackId": "D12",
-        "position": 9,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":9,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:59.855 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.855 +00:00"
-      },
-      {
-        "deviceId": "cache11.cn3096",
-        "name": "cache11.cn3096",
-        "type": "server",
-        "model": "阿里定制",
-        "serialNumber": "819585174",
-        "rackId": "D12",
-        "position": 6,
-        "height": 2,
-        "powerConsumption": 500,
-        "status": "running",
-        "purchaseDate": "1899-12-31 15:54:17.000 +00:00",
-        "warrantyExpiry": "1900-01-01 15:54:17.000 +00:00",
-        "ipAddress": "",
-        "description": "",
-        "customFields": "{\"position\":6,\"height\":2,\"powerConsumption\":500,\"rackId\":\"D12\"}",
-        "createdAt": "2025-12-30 06:00:59.925 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.925 +00:00"
-      }
-    ],
-    "racks": [
-      {
-        "rackId": "A04",
-        "name": "A04",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:50.616 +00:00",
-        "updatedAt": "2025-12-30 06:00:29.539 +00:00"
-      },
-      {
-        "rackId": "A05",
-        "name": "A05",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 266,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.135 +00:00",
-        "updatedAt": "2025-12-30 06:00:33.800 +00:00"
-      },
-      {
-        "rackId": "A06",
-        "name": "A06",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.240 +00:00",
-        "updatedAt": "2025-12-30 03:12:08.209 +00:00"
-      },
-      {
-        "rackId": "A01",
-        "name": "A01",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.344 +00:00",
-        "updatedAt": "2025-12-30 03:16:57.752 +00:00"
-      },
-      {
-        "rackId": "A02",
-        "name": "A02",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.519 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.515 +00:00"
-      },
-      {
-        "rackId": "A07",
-        "name": "A07",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.622 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.923 +00:00"
-      },
-      {
-        "rackId": "A08",
-        "name": "A08",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:51.867 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.250 +00:00"
-      },
-      {
-        "rackId": "A09",
-        "name": "A09",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:52.416 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.753 +00:00"
-      },
-      {
-        "rackId": "A10",
-        "name": "A10",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:52.701 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.621 +00:00"
-      },
-      {
-        "rackId": "A03",
-        "name": "A03",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 0,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-25 05:08:52.806 +00:00",
-        "updatedAt": "2025-12-30 03:12:09.483 +00:00"
-      },
-      {
-        "rackId": "C06",
-        "name": "C06",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 9500,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-30 03:17:44.632 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.228 +00:00"
-      },
-      {
-        "rackId": "C07",
-        "name": "C07",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 3500,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-30 03:17:44.689 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.984 +00:00"
-      },
-      {
-        "rackId": "D11",
-        "name": "D11",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 6500,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-30 03:17:44.752 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.610 +00:00"
-      },
-      {
-        "rackId": "D12",
-        "name": "D12",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 3500,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-30 03:17:44.796 +00:00",
-        "updatedAt": "2025-12-30 06:00:59.957 +00:00"
-      },
-      {
-        "rackId": "C08",
-        "name": "C08",
-        "height": 42,
-        "maxPower": 10000,
-        "currentPower": 500,
-        "status": "active",
-        "roomId": "ROOM001",
-        "createdAt": "2025-12-30 03:17:44.869 +00:00",
-        "updatedAt": "2025-12-30 06:00:58.650 +00:00"
-      }
-    ],
-    "rooms": [
-      {
-        "roomId": "ROOM001",
-        "name": "测试机房",
-        "location": "测试位置",
-        "area": 100,
-        "capacity": 100,
-        "status": "active",
-        "description": null,
-        "createdAt": "2025-12-25 05:06:53.179 +00:00",
-        "updatedAt": "2025-12-25 05:06:53.179 +00:00"
-      }
-    ],
-    "consumables": [],
-    "deviceFields": [
-      {
-        "fieldId": 1,
-        "fieldName": "deviceId",
-        "displayName": "设备ID",
-        "fieldType": "string",
-        "required": 1,
-        "options": null,
-        "order": 1,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:03.898 +00:00",
-        "updatedAt": "2025-12-29 08:28:41.999 +00:00"
-      },
-      {
-        "fieldId": 2,
-        "fieldName": "name",
-        "displayName": "设备名称",
-        "fieldType": "string",
-        "required": 1,
-        "options": null,
-        "order": 2,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:04.777 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.068 +00:00"
-      },
-      {
-        "fieldId": 3,
-        "fieldName": "type",
-        "displayName": "设备类型",
-        "fieldType": "select",
-        "required": 1,
-        "options": "[{\"value\":\"server\",\"label\":\"服务器\"},{\"value\":\"switch\",\"label\":\"交换机\"},{\"value\":\"router\",\"label\":\"路由器\"},{\"value\":\"storage\",\"label\":\"存储设备\"},{\"value\":\"other\",\"label\":\"其他设备\"}]",
-        "order": 3,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:05.492 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.103 +00:00"
-      },
-      {
-        "fieldId": 4,
-        "fieldName": "model",
-        "displayName": "型号",
-        "fieldType": "string",
-        "required": 1,
-        "options": null,
-        "order": 4,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:06.166 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.139 +00:00"
-      },
-      {
-        "fieldId": 5,
-        "fieldName": "serialNumber",
-        "displayName": "序列号",
-        "fieldType": "string",
-        "required": 1,
-        "options": null,
-        "order": 5,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:06.886 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.173 +00:00"
-      },
-      {
-        "fieldId": 6,
-        "fieldName": "rackId",
-        "displayName": "所在机柜",
-        "fieldType": "select",
-        "required": 1,
-        "options": null,
-        "order": 6,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:07.572 +00:00",
-        "updatedAt": "2025-12-29 08:40:39.158 +00:00"
-      },
-      {
-        "fieldId": 7,
-        "fieldName": "position",
-        "displayName": "位置(U)",
-        "fieldType": "number",
-        "required": 1,
-        "options": null,
-        "order": 7,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:08.259 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.242 +00:00"
-      },
-      {
-        "fieldId": 8,
-        "fieldName": "height",
-        "displayName": "高度(U)",
-        "fieldType": "number",
-        "required": 1,
-        "options": null,
-        "order": 8,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:08.973 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.279 +00:00"
-      },
-      {
-        "fieldId": 9,
-        "fieldName": "powerConsumption",
-        "displayName": "功率(W)",
-        "fieldType": "number",
-        "required": 1,
-        "options": null,
-        "order": 9,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.051 +00:00",
-        "updatedAt": "2025-12-29 08:40:39.242 +00:00"
-      },
-      {
-        "fieldId": 10,
-        "fieldName": "status",
-        "displayName": "状态",
-        "fieldType": "select",
-        "required": 1,
-        "options": "[{\"value\":\"running\",\"label\":\"运行中\"},{\"value\":\"maintenance\",\"label\":\"维护中\"},{\"value\":\"offline\",\"label\":\"离线\"},{\"value\":\"fault\",\"label\":\"故障\"}]",
-        "order": 10,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.087 +00:00",
-        "updatedAt": "2025-12-29 08:28:42.347 +00:00"
-      },
-      {
-        "fieldId": 11,
-        "fieldName": "purchaseDate",
-        "displayName": "购买日期",
-        "fieldType": "date",
-        "required": 1,
-        "options": null,
-        "order": 11,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.121 +00:00",
-        "updatedAt": "2025-12-30 05:59:06.031 +00:00"
-      },
-      {
-        "fieldId": 12,
-        "fieldName": "warrantyExpiry",
-        "displayName": "保修到期",
-        "fieldType": "date",
-        "required": 1,
-        "options": null,
-        "order": 12,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.157 +00:00",
-        "updatedAt": "2025-12-30 05:59:06.104 +00:00"
-      },
-      {
-        "fieldId": 13,
-        "fieldName": "ipAddress",
-        "displayName": "IP地址",
-        "fieldType": "string",
-        "required": 0,
-        "options": null,
-        "order": 13,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.192 +00:00",
-        "updatedAt": "2025-12-29 08:40:39.417 +00:00"
-      },
-      {
-        "fieldId": 14,
-        "fieldName": "description",
-        "displayName": "描述",
-        "fieldType": "textarea",
-        "required": 0,
-        "options": null,
-        "order": 14,
-        "visible": 1,
-        "createdAt": "2025-12-25 05:10:09.226 +00:00",
-        "updatedAt": "2025-12-29 08:40:39.523 +00:00"
-      }
-    ],
-    "users": [
-      {
-        "userId": "user_mjkrahqi31ud7tdo5",
-        "username": "admin",
-        "status": "active",
-        "createdAt": "2025-12-25 01:20:37.194 +00:00",
-        "updatedAt": "2026-01-20 06:50:21.848 +00:00"
-      }
-    ]
-  }
-}
\ No newline at end of file
diff --git a/backend/middleware/validation.js b/backend/middleware/validation.js
new file mode 100644
index 0000000..6f5c28b
--- /dev/null
+++ b/backend/middleware/validation.js
@@ -0,0 +1,49 @@
+/**
+ * 请求参数验证中间件
+ * 使用Joi进行参数校验
+ */
+
+const validate = (schema, source = 'body') => {
+  return (req, res, next) => {
+    const data = source === 'query' ? req.query : req.body;
+    
+    const { error, value } = schema.validate(data, {
+      abortEarly: false, // 返回所有错误
+      stripUnknown: true, // 移除未定义的字段
+      allowUnknown: source === 'query' // 查询参数允许未知字段
+    });
+
+    if (error) {
+      const errorMessages = error.details.map(detail => ({
+        field: detail.path.join('.'),
+        message: detail.message
+      }));
+
+      return res.status(400).json({
+        error: '参数验证失败',
+        details: errorMessages
+      });
+    }
+
+    // 将验证后的值替换到请求对象
+    if (source === 'query') {
+      req.query = value;
+    } else {
+      req.body = value;
+    }
+
+    next();
+  };
+};
+
+// 验证查询参数
+const validateQuery = (schema) => validate(schema, 'query');
+
+// 验证请求体
+const validateBody = (schema) => validate(schema, 'body');
+
+module.exports = {
+  validate,
+  validateQuery,
+  validateBody
+};
diff --git a/backend/models/Consumable.js b/backend/models/Consumable.js
index cd9f727..2cdaa1b 100644
--- a/backend/models/Consumable.js
+++ b/backend/models/Consumable.js
@@ -54,6 +54,12 @@ const Consumable = sequelize.define('Consumable', {
   status: {
     type: DataTypes.STRING,
     defaultValue: 'active'
+  },
+  version: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0,
+    comment: '乐观锁版本号'
   }
 }, {
   tableName: 'consumables',
@@ -61,7 +67,8 @@ const Consumable = sequelize.define('Consumable', {
   indexes: [
     { fields: ['category'] },
     { fields: ['status'] },
-    { fields: ['category', 'status'] }
+    { fields: ['category', 'status'] },
+    { fields: ['updatedAt'] }
   ]
 });
 
diff --git a/backend/package-lock.json b/backend/package-lock.json
index 36b86fb..923dd88 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -8,6 +8,7 @@
       "name": "idc-backend",
       "version": "1.0.0",
       "dependencies": {
+        "axios": "^1.13.4",
         "bcryptjs": "^3.0.3",
         "cors": "^2.8.5",
         "csv-parser": "^3.2.0",
@@ -17,6 +18,7 @@
         "express": "^4.18.2",
         "express-fileupload": "^1.5.2",
         "iconv-lite": "^0.6.3",
+        "joi": "^18.0.2",
         "jsonwebtoken": "^9.0.3",
         "mysql2": "^3.16.0",
         "sequelize": "^6.32.1",
@@ -677,6 +679,54 @@
       "license": "MIT",
       "optional": true
     },
+    "node_modules/@hapi/address": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/@hapi/address/-/address-5.1.1.tgz",
+      "integrity": "sha512-A+po2d/dVoY7cYajycYI43ZbYMXukuopIsqCjh5QzsBCipDtdofHntljDlpccMjIfTy6UOkg+5KPriwYch2bXA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^11.0.2"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@hapi/formula": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/@hapi/formula/-/formula-3.0.2.tgz",
+      "integrity": "sha512-hY5YPNXzw1He7s0iqkRQi+uMGh383CGdyyIGYtB+W5N3KHPXoqychklvHhKCC9M3Xtv0OCs/IHw+r4dcHtBYWw==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/hoek": {
+      "version": "11.0.7",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-11.0.7.tgz",
+      "integrity": "sha512-HV5undWkKzcB4RZUusqOpcgxOaq6VOAH7zhhIr2g3G8NF/MlFO75SjOr2NfuSx0Mh40+1FqCkagKLJRykUWoFQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/pinpoint": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@hapi/pinpoint/-/pinpoint-2.0.1.tgz",
+      "integrity": "sha512-EKQmr16tM8s16vTT3cA5L0kZZcTMU5DUOZTuvpnY738m+jyP3JIUj+Mm1xc1rsLkGBQ/gVnfKYPwOmPg1tUR4Q==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/tlds": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/@hapi/tlds/-/tlds-1.1.4.tgz",
+      "integrity": "sha512-Fq+20dxsxLaUn5jSSWrdtSRcIUba2JquuorF9UW1wIJS5cSUwxIsO2GIhaWynPRflvxSzFN+gxKte2HEW1OuoA==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@hapi/topo": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-6.0.2.tgz",
+      "integrity": "sha512-KR3rD5inZbGMrHmgPxsJ9dbi6zEK+C3ZwUwTa+eMwWLz7oijWUTWD2pMSNNYJAU6Qq+65NkxXjqHr/7LM2Xkqg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^11.0.2"
+      }
+    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -1379,6 +1429,12 @@
         "text-hex": "1.0.x"
       }
     },
+    "node_modules/@standard-schema/spec": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
+      "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==",
+      "license": "MIT"
+    },
     "node_modules/@tootallnate/once": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
@@ -2013,7 +2069,6 @@
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/aws-ssl-profiles": {
@@ -2025,6 +2080,17 @@
         "node": ">= 6.0.0"
       }
     },
+    "node_modules/axios": {
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.13.4.tgz",
+      "integrity": "sha512-1wVkUaAO6WyaYtCkcYCOx12ZgpGf9Zif+qXa4n+oYzK558YryKqiL6UWwd5DqiH3VRW0GYhTZQ/vlgJrCoNQlg==",
+      "license": "MIT",
+      "dependencies": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.4",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
     "node_modules/babel-jest": {
       "version": "30.2.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-30.2.0.tgz",
@@ -2726,7 +2792,6 @@
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
       "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "delayed-stream": "~1.0.0"
@@ -2935,7 +3000,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
       "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=0.4.0"
@@ -3182,7 +3246,6 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
       "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "es-errors": "^1.3.0",
@@ -3458,6 +3521,26 @@
       "integrity": "sha512-GRnmB5gPyJpAhTQdSZTSp9uaPSvl09KoYcMQtsB9rQoOmzs9dH6ffeccH+Z+cv6P68Hu5bC6JjRh4Ah/mHSNRw==",
       "license": "MIT"
     },
+    "node_modules/follow-redirects": {
+      "version": "1.15.11",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
+      "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/foreground-child": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
@@ -3492,7 +3575,6 @@
       "version": "4.0.5",
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
       "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "asynckit": "^0.4.0",
@@ -3795,7 +3877,6 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
       "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "has-symbols": "^1.0.3"
@@ -5067,6 +5148,24 @@
         "url": "https://github.com/chalk/supports-color?sponsor=1"
       }
     },
+    "node_modules/joi": {
+      "version": "18.0.2",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-18.0.2.tgz",
+      "integrity": "sha512-RuCOQMIt78LWnktPoeBL0GErkNaJPTBGcYuyaBvUOQSpcpcLfWrHPPihYdOGbV5pam9VTWbeoF7TsGiHugcjGA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/address": "^5.1.1",
+        "@hapi/formula": "^3.0.2",
+        "@hapi/hoek": "^11.0.7",
+        "@hapi/pinpoint": "^2.0.1",
+        "@hapi/tlds": "^1.1.1",
+        "@hapi/topo": "^6.0.2",
+        "@standard-schema/spec": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 20"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -6281,6 +6380,12 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
+      "license": "MIT"
+    },
     "node_modules/pstree.remy": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/pstree.remy/-/pstree.remy-1.1.8.tgz",
diff --git a/backend/package.json b/backend/package.json
index 91f385f..5e57085 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -10,6 +10,7 @@
     "drop-indexes": "node create_indexes.js drop"
   },
   "dependencies": {
+    "axios": "^1.13.4",
     "bcryptjs": "^3.0.3",
     "cors": "^2.8.5",
     "csv-parser": "^3.2.0",
@@ -19,6 +20,7 @@
     "express": "^4.18.2",
     "express-fileupload": "^1.5.2",
     "iconv-lite": "^0.6.3",
+    "joi": "^18.0.2",
     "jsonwebtoken": "^9.0.3",
     "mysql2": "^3.16.0",
     "sequelize": "^6.32.1",
diff --git a/backend/routes/consumables.js b/backend/routes/consumables.js
index 6ec5376..a558d4d 100644
--- a/backend/routes/consumables.js
+++ b/backend/routes/consumables.js
@@ -250,187 +250,281 @@ router.get('/inout/records', async (req, res) => {
 });
 
 router.post('/quick-inout', async (req, res) => {
-  const transaction = await sequelize.transaction();
-  try {
-    const { consumableId, type, quantity, operator, reason, notes } = req.body;
-    
-    const consumable = await Consumable.findByPk(consumableId, { transaction });
-    if (!consumable) {
-      await transaction.rollback();
-      return res.status(404).json({ error: '耗材不存在' });
-    }
-    
-    const previousStock = parseFloat(consumable.currentStock);
-    let newStock;
-    
-    if (type === 'in') {
-      newStock = previousStock + parseFloat(quantity);
-    } else if (type === 'out') {
-      newStock = previousStock - parseFloat(quantity);
-      if (newStock < 0) {
+  const MAX_RETRIES = 3;
+  let attempt = 0;
+  
+  while (attempt < MAX_RETRIES) {
+    const transaction = await sequelize.transaction();
+    try {
+      const { consumableId, type, quantity, operator, reason, notes } = req.body;
+      
+      const consumable = await Consumable.findByPk(consumableId, { transaction });
+      if (!consumable) {
         await transaction.rollback();
-        return res.status(400).json({ error: '库存不足' });
+        return res.status(404).json({ error: '耗材不存在' });
       }
-    } else {
+      
+      const previousStock = parseFloat(consumable.currentStock);
+      let newStock;
+      
+      if (type === 'in') {
+        newStock = previousStock + parseFloat(quantity);
+      } else if (type === 'out') {
+        newStock = previousStock - parseFloat(quantity);
+        if (newStock < 0) {
+          await transaction.rollback();
+          return res.status(400).json({ error: '库存不足' });
+        }
+      } else {
+        await transaction.rollback();
+        return res.status(400).json({ error: '操作类型无效' });
+      }
+      
+      const [affectedRows] = await Consumable.update(
+        { 
+          currentStock: newStock,
+          version: sequelize.literal('version + 1')
+        },
+        { 
+          where: { 
+            consumableId,
+            version: consumable.version
+          },
+          transaction 
+        }
+      );
+      
+      if (affectedRows === 0) {
+        await transaction.rollback();
+        attempt++;
+        if (attempt >= MAX_RETRIES) {
+          return res.status(409).json({ error: '并发冲突，请稍后重试' });
+        }
+        continue;
+      }
+      
+      const record = await ConsumableRecord.create({
+        consumableId,
+        type,
+        quantity,
+        previousStock,
+        currentStock: newStock,
+        operator,
+        reason,
+        notes
+      }, { transaction });
+      
+      await ConsumableLog.create({
+        consumableId,
+        consumableName: consumable.name,
+        operationType: type,
+        quantity: type === 'in' ? parseFloat(quantity) : -parseFloat(quantity),
+        previousStock,
+        currentStock: newStock,
+        operator,
+        reason,
+        notes
+      }, { transaction });
+      
+      await transaction.commit();
+      
+      res.json({
+        message: '操作成功',
+        record,
+        consumable: await Consumable.findByPk(consumableId)
+      });
+      return;
+    } catch (error) {
       await transaction.rollback();
-      return res.status(400).json({ error: '操作类型无效' });
+      if (attempt >= MAX_RETRIES - 1) {
+        return res.status(500).json({ error: error.message });
+      }
+      attempt++;
     }
-    
-    await consumable.update({ currentStock: newStock }, { transaction });
-    
-    const record = await ConsumableRecord.create({
-      consumableId,
-      type,
-      quantity,
-      previousStock,
-      currentStock: newStock,
-      operator,
-      reason,
-      notes
-    }, { transaction });
-    
-    await ConsumableLog.create({
-      consumableId,
-      consumableName: consumable.name,
-      operationType: type,
-      quantity: type === 'in' ? parseFloat(quantity) : -parseFloat(quantity),
-      previousStock,
-      currentStock: newStock,
-      operator,
-      reason,
-      notes
-    }, { transaction });
-    
-    await transaction.commit();
-    
-    res.json({
-      message: '操作成功',
-      record,
-      consumable: await consumable.reload()
-    });
-  } catch (error) {
-    await transaction.rollback();
-    res.status(500).json({ error: error.message });
   }
 });
 
 router.post('/inout', async (req, res) => {
-  const transaction = await sequelize.transaction();
-  try {
-    const { consumableId, type, quantity, operator, reason, recipient, notes } = req.body;
-    
-    const consumable = await Consumable.findByPk(consumableId, { transaction });
-    if (!consumable) {
-      await transaction.rollback();
-      return res.status(404).json({ error: '耗材不存在' });
-    }
-    
-    const previousStock = parseFloat(consumable.currentStock);
-    let newStock;
-    
-    if (type === 'in') {
-      newStock = previousStock + parseFloat(quantity);
-    } else {
-      newStock = previousStock - parseFloat(quantity);
-      if (newStock < 0) {
+  const MAX_RETRIES = 3;
+  let attempt = 0;
+  
+  while (attempt < MAX_RETRIES) {
+    const transaction = await sequelize.transaction();
+    try {
+      const { consumableId, type, quantity, operator, reason, recipient, notes } = req.body;
+      
+      const consumable = await Consumable.findByPk(consumableId, { transaction });
+      if (!consumable) {
         await transaction.rollback();
-        return res.status(400).json({ error: '库存不足' });
+        return res.status(404).json({ error: '耗材不存在' });
       }
+      
+      const previousStock = parseFloat(consumable.currentStock);
+      let newStock;
+      
+      if (type === 'in') {
+        newStock = previousStock + parseFloat(quantity);
+      } else {
+        newStock = previousStock - parseFloat(quantity);
+        if (newStock < 0) {
+          await transaction.rollback();
+          return res.status(400).json({ error: '库存不足' });
+        }
+      }
+      
+      const [affectedRows] = await Consumable.update(
+        { 
+          currentStock: newStock,
+          version: sequelize.literal('version + 1')
+        },
+        { 
+          where: { 
+            consumableId,
+            version: consumable.version
+          },
+          transaction 
+        }
+      );
+      
+      if (affectedRows === 0) {
+        await transaction.rollback();
+        attempt++;
+        if (attempt >= MAX_RETRIES) {
+          return res.status(409).json({ error: '并发冲突，请稍后重试' });
+        }
+        continue;
+      }
+      
+      const record = await ConsumableRecord.create({
+        consumableId,
+        type,
+        quantity,
+        previousStock,
+        currentStock: newStock,
+        operator,
+        reason,
+        recipient,
+        notes
+      }, { transaction });
+      
+      await ConsumableLog.create({
+        consumableId,
+        consumableName: consumable.name,
+        operationType: type,
+        quantity: type === 'in' ? parseFloat(quantity) : -parseFloat(quantity),
+        previousStock,
+        currentStock: newStock,
+        operator,
+        reason,
+        notes
+      }, { transaction });
+      
+      await transaction.commit();
+      
+      res.json({
+        message: '操作成功',
+        record,
+        consumable: await Consumable.findByPk(consumableId)
+      });
+      return;
+    } catch (error) {
+      await transaction.rollback();
+      if (attempt >= MAX_RETRIES - 1) {
+        return res.status(500).json({ error: error.message });
+      }
+      attempt++;
     }
-    
-    await consumable.update({ currentStock: newStock }, { transaction });
-    
-    const record = await ConsumableRecord.create({
-      consumableId,
-      type,
-      quantity,
-      previousStock,
-      currentStock: newStock,
-      operator,
-      reason,
-      recipient,
-      notes
-    }, { transaction });
-    
-    await ConsumableLog.create({
-      consumableId,
-      consumableName: consumable.name,
-      operationType: type,
-      quantity: type === 'in' ? parseFloat(quantity) : -parseFloat(quantity),
-      previousStock,
-      currentStock: newStock,
-      operator,
-      reason,
-      notes
-    }, { transaction });
-    
-    await transaction.commit();
-    
-    res.json({
-      message: '操作成功',
-      record,
-      consumable: await consumable.reload()
-    });
-  } catch (error) {
-    await transaction.rollback();
-    res.status(500).json({ error: error.message });
   }
 });
 
 router.post('/adjust', async (req, res) => {
-  const transaction = await sequelize.transaction();
-  try {
-    const { consumableId, adjustType, quantity, operator, reason, notes } = req.body;
-    
-    const consumable = await Consumable.findByPk(consumableId, { transaction });
-    if (!consumable) {
-      await transaction.rollback();
-      return res.status(404).json({ error: '耗材不存在' });
-    }
-    
-    const previousStock = parseFloat(consumable.currentStock);
-    let newStock;
-    
-    if (adjustType === 'add') {
-      newStock = previousStock + parseFloat(quantity);
-    } else if (adjustType === 'subtract') {
-      newStock = previousStock - parseFloat(quantity);
-      if (newStock < 0) {
+  const MAX_RETRIES = 3;
+  let attempt = 0;
+  
+  while (attempt < MAX_RETRIES) {
+    const transaction = await sequelize.transaction();
+    try {
+      const { consumableId, adjustType, quantity, operator, reason, notes } = req.body;
+      
+      const consumable = await Consumable.findByPk(consumableId, { transaction });
+      if (!consumable) {
         await transaction.rollback();
-        return res.status(400).json({ error: '调整后库存不能为负' });
+        return res.status(404).json({ error: '耗材不存在' });
       }
-    } else if (adjustType === 'set') {
-      newStock = parseFloat(quantity);
-    } else {
+      
+      const previousStock = parseFloat(consumable.currentStock);
+      let newStock;
+      
+      if (adjustType === 'add') {
+        newStock = previousStock + parseFloat(quantity);
+      } else if (adjustType === 'subtract') {
+        newStock = previousStock - parseFloat(quantity);
+        if (newStock < 0) {
+          await transaction.rollback();
+          return res.status(400).json({ error: '调整后库存不能为负' });
+        }
+      } else if (adjustType === 'set') {
+        newStock = parseFloat(quantity);
+        if (newStock < 0) {
+          await transaction.rollback();
+          return res.status(400).json({ error: '库存不能设置为负数' });
+        }
+      } else {
+        await transaction.rollback();
+        return res.status(400).json({ error: '调整类型无效' });
+      }
+      
+      const [affectedRows] = await Consumable.update(
+        { 
+          currentStock: newStock,
+          version: sequelize.literal('version + 1')
+        },
+        { 
+          where: { 
+            consumableId,
+            version: consumable.version
+          },
+          transaction 
+        }
+      );
+      
+      if (affectedRows === 0) {
+        await transaction.rollback();
+        attempt++;
+        if (attempt >= MAX_RETRIES) {
+          return res.status(409).json({ error: '并发冲突，请稍后重试' });
+        }
+        continue;
+      }
+      
+      const changeQuantity = newStock - previousStock;
+      
+      await ConsumableLog.create({
+        consumableId,
+        consumableName: consumable.name,
+        operationType: 'adjust',
+        quantity: changeQuantity,
+        previousStock,
+        currentStock: newStock,
+        operator,
+        reason: reason || (adjustType === 'set' ? '库存调整为 ' + newStock : reason),
+        notes: adjustType === 'set' ? `库存从 ${previousStock} 调整为 ${newStock}` : notes
+      }, { transaction });
+      
+      await transaction.commit();
+      
+      res.json({
+        message: '调整成功',
+        consumable: await Consumable.findByPk(consumableId)
+      });
+      return;
+    } catch (error) {
       await transaction.rollback();
-      return res.status(400).json({ error: '调整类型无效' });
+      if (attempt >= MAX_RETRIES - 1) {
+        return res.status(500).json({ error: error.message });
+      }
+      attempt++;
     }
-    
-    await consumable.update({ currentStock: newStock }, { transaction });
-    
-    const changeQuantity = newStock - previousStock;
-    
-    await ConsumableLog.create({
-      consumableId,
-      consumableName: consumable.name,
-      operationType: 'adjust',
-      quantity: changeQuantity,
-      previousStock,
-      currentStock: newStock,
-      operator,
-      reason: reason || (adjustType === 'set' ? '库存调整为 ' + newStock : reason),
-      notes: adjustType === 'set' ? `库存从 ${previousStock} 调整为 ${newStock}` : notes
-    }, { transaction });
-    
-    await transaction.commit();
-    
-    res.json({
-      message: '调整成功',
-      consumable: await consumable.reload()
-    });
-  } catch (error) {
-    await transaction.rollback();
-    res.status(500).json({ error: error.message });
   }
 });
 
diff --git a/backend/routes/devices.js b/backend/routes/devices.js
index 2d5ef65..d383c40 100644
--- a/backend/routes/devices.js
+++ b/backend/routes/devices.js
@@ -14,9 +14,18 @@ const DeviceField = require('../models/DeviceField');
 const Ticket = require('../models/Ticket');
 const DevicePort = require('../models/DevicePort'); // Import DevicePort
 const Cable = require('../models/Cable'); // Import Cable
+const { validateBody, validateQuery } = require('../middleware/validation');
+const {
+  createDeviceSchema,
+  updateDeviceSchema,
+  batchDeviceIdsSchema,
+  batchStatusSchema,
+  batchMoveSchema,
+  queryDeviceSchema
+} = require('../validation/deviceSchema');
 
 // 获取所有设备（支持搜索和筛选）
-router.get('/', async (req, res) => {
+router.get('/', validateQuery(queryDeviceSchema), async (req, res) => {
   try {
     const { keyword, status, type, rackId, page = 1, pageSize = 10 } = req.query;
     const offset = (page - 1) * pageSize;
@@ -80,7 +89,7 @@ router.get('/', async (req, res) => {
 });
 
 // 创建设备
-router.post('/', async (req, res) => {
+router.post('/', validateBody(createDeviceSchema), async (req, res) => {
   try {
     const device = await Device.create(req.body);
     
@@ -602,7 +611,7 @@ router.post('/import', async (req, res) => {
 });
 
 // 批量上线设备
-router.put('/batch-online', async (req, res) => {
+router.put('/batch-online', validateBody(batchDeviceIdsSchema), async (req, res) => {
   try {
     const { deviceIds } = req.body;
     
@@ -626,7 +635,7 @@ router.put('/batch-online', async (req, res) => {
 });
 
 // 批量下线设备
-router.put('/batch-offline', async (req, res) => {
+router.put('/batch-offline', validateBody(batchDeviceIdsSchema), async (req, res) => {
   try {
     const { deviceIds } = req.body;
     
@@ -654,8 +663,6 @@ router.put('/batch-status', async (req, res) => {
   try {
     const { deviceIds, status } = req.body;
     
-    console.log('批量状态变更请求:', { deviceIds, status });
-    
     if (!deviceIds || !Array.isArray(deviceIds) || deviceIds.length === 0) {
       return res.status(400).json({ error: '请提供有效的设备ID列表' });
     }
@@ -666,15 +673,11 @@ router.put('/batch-status', async (req, res) => {
       attributes: ['deviceId']
     });
     
-    console.log('数据库中找到的设备:', existingDevices.map(d => d.deviceId));
-    console.log('请求的设备ID:', deviceIds);
-    
     // 检查是否有不存在的设备
     const existingIds = existingDevices.map(d => d.deviceId);
     const missingIds = deviceIds.filter(id => !existingIds.includes(id));
     
     if (missingIds.length > 0) {
-      console.log('不存在的设备ID:', missingIds);
       return res.status(404).json({ error: `设备不存在: ${missingIds.join(', ')}` });
     }
     
@@ -780,7 +783,7 @@ router.get('/:deviceId', async (req, res) => {
 });
 
 // 更新设备
-router.put('/:deviceId', async (req, res) => {
+router.put('/:deviceId', validateBody(updateDeviceSchema), async (req, res) => {
   try {
     // 获取旧设备信息以更新功率
     const oldDevice = await Device.findByPk(req.params.deviceId);
@@ -843,7 +846,7 @@ router.put('/batch-offline', async (req, res) => {
 });
 
 // 批量删除设备
-router.delete('/batch-delete', async (req, res) => {
+router.delete('/batch-delete', validateBody(batchDeviceIdsSchema), async (req, res) => {
   const t = await sequelize.transaction();
   try {
     const { deviceIds } = req.body;
@@ -1045,8 +1048,6 @@ router.put('/batch-status', async (req, res) => {
   try {
     const { deviceIds, status } = req.body;
     
-    console.log('批量状态变更请求:', { deviceIds, status });
-    
     if (!deviceIds || !Array.isArray(deviceIds) || deviceIds.length === 0) {
       return res.status(400).json({ error: '请提供有效的设备ID列表' });
     }
@@ -1057,15 +1058,11 @@ router.put('/batch-status', async (req, res) => {
       attributes: ['deviceId']
     });
     
-    console.log('数据库中找到的设备:', existingDevices.map(d => d.deviceId));
-    console.log('请求的设备ID:', deviceIds);
-    
     // 检查是否有不存在的设备
     const existingIds = existingDevices.map(d => d.deviceId);
     const missingIds = deviceIds.filter(id => !existingIds.includes(id));
     
     if (missingIds.length > 0) {
-      console.log('不存在的设备ID:', missingIds);
       return res.status(404).json({ error: `设备不存在: ${missingIds.join(', ')}` });
     }
     
diff --git a/backend/routes/racks.js b/backend/routes/racks.js
index 6a780ad..353a272 100644
--- a/backend/routes/racks.js
+++ b/backend/routes/racks.js
@@ -6,6 +6,8 @@ const Room = require('../models/Room');
 const XLSX = require('xlsx');
 const fs = require('fs');
 const path = require('path');
+const { validateBody, validateQuery } = require('../middleware/validation');
+const { createRackSchema, updateRackSchema, queryRackSchema } = require('../validation/rackSchema');
 
 // 获取所有机柜
 router.get('/', async (req, res) => {
@@ -57,7 +59,7 @@ router.get('/:rackId', async (req, res) => {
 });
 
 // 创建机柜
-router.post('/', async (req, res) => {
+router.post('/', validateBody(createRackSchema), async (req, res) => {
   try {
     const rack = await Rack.create(req.body);
     res.status(201).json(rack);
@@ -67,7 +69,7 @@ router.post('/', async (req, res) => {
 });
 
 // 更新机柜
-router.put('/:rackId', async (req, res) => {
+router.put('/:rackId', validateBody(updateRackSchema), async (req, res) => {
   try {
     const [updated] = await Rack.update(req.body, {
       where: { rackId: req.params.rackId }
diff --git a/backend/routes/rooms.js b/backend/routes/rooms.js
index 34fbe05..70a7de0 100644
--- a/backend/routes/rooms.js
+++ b/backend/routes/rooms.js
@@ -2,6 +2,8 @@ const express = require('express');
 const router = express.Router();
 const Room = require('../models/Room');
 const Rack = require('../models/Rack');
+const { validateBody } = require('../middleware/validation');
+const { createRoomSchema, updateRoomSchema } = require('../validation/roomSchema');
 
 // 获取所有机房
 router.get('/', async (req, res) => {
@@ -41,7 +43,7 @@ router.post('/', async (req, res) => {
 });
 
 // 更新机房
-router.put('/:roomId', async (req, res) => {
+router.put('/:roomId', validateBody(updateRoomSchema), async (req, res) => {
   try {
     const [updated] = await Room.update(req.body, {
       where: { roomId: req.params.roomId }
diff --git a/backend/routes/systemSettings.js b/backend/routes/systemSettings.js
index 3b8d0f0..21ef8b5 100644
--- a/backend/routes/systemSettings.js
+++ b/backend/routes/systemSettings.js
@@ -20,19 +20,11 @@ const initDefaultSettings = async () => {
     // 外观设置
     { settingKey: 'primary_color', settingValue: JSON.stringify('#667eea'), settingType: 'string', category: 'appearance', description: '主题主色调', isEditable: true },
     { settingKey: 'secondary_color', settingValue: JSON.stringify('#764ba2'), settingType: 'string', category: 'appearance', description: '主题辅助色调', isEditable: true },
-    { settingKey: 'compact_mode', settingValue: JSON.stringify(false), type: 'boolean', category: 'appearance', description: '紧凑模式', isEditable: true },
+    { settingKey: 'compact_mode', settingValue: JSON.stringify(false), settingType: 'boolean', category: 'appearance', description: '紧凑模式', isEditable: true },
     { settingKey: 'sidebar_collapsed', settingValue: JSON.stringify(false), settingType: 'boolean', category: 'appearance', description: '侧边栏默认折叠', isEditable: true },
     { settingKey: 'table_row_height', settingValue: JSON.stringify('default'), settingType: 'string', category: 'appearance', description: '表格行高: small/default/middle/large', isEditable: true },
     { settingKey: 'animation_enabled', settingValue: JSON.stringify(true), settingType: 'boolean', category: 'appearance', description: '启用动画效果', isEditable: true },
     
-    // 数据备份设置
-    { settingKey: 'auto_backup_enabled', settingValue: JSON.stringify(false), settingType: 'boolean', category: 'backup', description: '启用自动备份', isEditable: true },
-    { settingKey: 'backup_interval', settingValue: JSON.stringify(24), settingType: 'number', category: 'backup', description: '备份间隔(小时)', isEditable: true },
-    { settingKey: 'backup_retention', settingValue: JSON.stringify(7), settingType: 'number', category: 'backup', description: '备份保留天数', isEditable: true },
-    { settingKey: 'backup_path', settingValue: JSON.stringify('./backups'), settingType: 'string', category: 'backup', description: '备份存储路径', isEditable: true },
-    { settingKey: 'last_backup_time', settingValue: JSON.stringify(null), settingType: 'string', category: 'backup', description: '上次备份时间', isEditable: false },
-    { settingKey: 'backup_count', settingValue: JSON.stringify(0), settingType: 'number', category: 'backup', description: '备份文件数量', isEditable: false },
-    
     // 关于页面
     { settingKey: 'app_version', settingValue: JSON.stringify('1.0.0'), settingType: 'string', category: 'about', description: '应用版本', isEditable: false },
     { settingKey: 'company_name', settingValue: JSON.stringify(''), settingType: 'string', category: 'about', description: '公司/组织名称', isEditable: true },
@@ -241,10 +233,6 @@ router.post('/reset/:key', async (req, res) => {
       sidebar_collapsed: false,
       table_row_height: 'default',
       animation_enabled: true,
-      auto_backup_enabled: false,
-      backup_interval: 24,
-      backup_retention: 7,
-      backup_path: './backups',
       company_name: '',
       contact_email: '',
       contact_phone: '',
diff --git a/backend/scripts/migrate-consumable-version.js b/backend/scripts/migrate-consumable-version.js
new file mode 100644
index 0000000..ea6e4eb
--- /dev/null
+++ b/backend/scripts/migrate-consumable-version.js
@@ -0,0 +1,97 @@
+/**
+ * 耗材管理乐观锁迁移脚本
+ * 为 consumables 表添加 version 字段
+ */
+
+const { sequelize, dbDialect } = require('../db');
+
+async function migrate() {
+  try {
+    console.log('开始执行耗材乐观锁迁移...');
+    console.log('数据库类型:', dbDialect);
+
+    if (dbDialect === 'sqlite') {
+      // SQLite: 检查字段是否存在
+      const tableInfo = await sequelize.query(
+        "PRAGMA table_info(consumables)",
+        { type: sequelize.QueryTypes.SELECT }
+      );
+      
+      const hasVersion = tableInfo.some(col => col.name === 'version');
+      
+      if (!hasVersion) {
+        console.log('添加 version 字段...');
+        await sequelize.query(
+          "ALTER TABLE consumables ADD COLUMN version INTEGER DEFAULT 0"
+        );
+        console.log('version 字段添加成功');
+      } else {
+        console.log('version 字段已存在，跳过');
+      }
+
+      // 检查 updatedAt 索引
+      const indexes = await sequelize.query(
+        "SELECT name FROM sqlite_master WHERE type='index' AND tbl_name='consumables'",
+        { type: sequelize.QueryTypes.SELECT }
+      );
+      
+      const hasUpdatedAtIndex = indexes.some(idx => idx.name === 'consumables_updatedAt');
+      
+      if (!hasUpdatedAtIndex) {
+        console.log('添加 updatedAt 索引...');
+        await sequelize.query(
+          "CREATE INDEX consumables_updatedAt ON consumables(updatedAt)"
+        );
+        console.log('updatedAt 索引添加成功');
+      } else {
+        console.log('updatedAt 索引已存在，跳过');
+      }
+
+    } else if (dbDialect === 'mysql') {
+      // MySQL: 检查并添加字段
+      try {
+        console.log('添加 version 字段...');
+        await sequelize.query(
+          "ALTER TABLE consumables ADD COLUMN version INT NOT NULL DEFAULT 0 COMMENT '乐观锁版本号'"
+        );
+        console.log('version 字段添加成功');
+      } catch (err) {
+        if (err.message.includes('Duplicate column')) {
+          console.log('version 字段已存在，跳过');
+        } else {
+          throw err;
+        }
+      }
+
+      // 添加索引
+      try {
+        console.log('添加 updatedAt 索引...');
+        await sequelize.query(
+          "CREATE INDEX idx_consumables_updatedAt ON consumables(updatedAt)"
+        );
+        console.log('updatedAt 索引添加成功');
+      } catch (err) {
+        if (err.message.includes('Duplicate key')) {
+          console.log('updatedAt 索引已存在，跳过');
+        } else {
+          throw err;
+        }
+      }
+    }
+
+    // 初始化现有数据的 version 值
+    console.log('初始化现有数据的 version 值...');
+    await sequelize.query(
+      "UPDATE consumables SET version = 0 WHERE version IS NULL"
+    );
+    console.log('version 值初始化完成');
+
+    console.log('迁移完成！');
+    process.exit(0);
+  } catch (error) {
+    console.error('迁移失败:', error);
+    process.exit(1);
+  }
+}
+
+migrate();
diff --git a/backend/validation/deviceSchema.js b/backend/validation/deviceSchema.js
new file mode 100644
index 0000000..28ba6ea
--- /dev/null
+++ b/backend/validation/deviceSchema.js
@@ -0,0 +1,327 @@
+const Joi = require('joi');
+
+// 设备类型枚举
+const DEVICE_TYPES = ['server', 'switch', 'router', 'storage', 'other'];
+
+// 设备状态枚举
+const DEVICE_STATUS = ['running', 'maintenance', 'offline', 'fault'];
+
+// 创建设备验证Schema
+const createDeviceSchema = Joi.object({
+  deviceId: Joi.string()
+    .required()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.empty': '设备ID不能为空',
+      'string.max': '设备ID不能超过50个字符',
+      'string.pattern.base': '设备ID只能包含字母、数字、下划线和横线',
+      'any.required': '设备ID是必填字段'
+    }),
+
+  name: Joi.string()
+    .required()
+    .max(100)
+    .messages({
+      'string.empty': '设备名称不能为空',
+      'string.max': '设备名称不能超过100个字符',
+      'any.required': '设备名称是必填字段'
+    }),
+
+  type: Joi.string()
+    .valid(...DEVICE_TYPES)
+    .required()
+    .messages({
+      'string.empty': '设备类型不能为空',
+      'any.only': `设备类型必须是以下之一: ${DEVICE_TYPES.join(', ')}`,
+      'any.required': '设备类型是必填字段'
+    }),
+
+  model: Joi.string()
+    .max(100)
+    .allow('', null)
+    .messages({
+      'string.max': '型号不能超过100个字符'
+    }),
+
+  serialNumber: Joi.string()
+    .max(100)
+    .allow('', null)
+    .messages({
+      'string.max': '序列号不能超过100个字符'
+    }),
+
+  rackId: Joi.string()
+    .required()
+    .max(50)
+    .messages({
+      'string.empty': '机柜ID不能为空',
+      'string.max': '机柜ID不能超过50个字符',
+      'any.required': '机柜ID是必填字段'
+    }),
+
+  position: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .required()
+    .messages({
+      'number.base': '位置必须是数字',
+      'number.integer': '位置必须是整数',
+      'number.min': '位置不能小于1',
+      'number.max': '位置不能大于100',
+      'any.required': '位置是必填字段'
+    }),
+
+  height: Joi.number()
+    .integer()
+    .min(1)
+    .max(50)
+    .required()
+    .messages({
+      'number.base': '高度必须是数字',
+      'number.integer': '高度必须是整数',
+      'number.min': '高度不能小于1',
+      'number.max': '高度不能大于50',
+      'any.required': '高度是必填字段'
+    }),
+
+  powerConsumption: Joi.number()
+    .min(0)
+    .max(100000)
+    .default(0)
+    .messages({
+      'number.base': '功率必须是数字',
+      'number.min': '功率不能小于0',
+      'number.max': '功率不能超过100000'
+    }),
+
+  ipAddress: Joi.string()
+    .ip({ version: ['ipv4', 'ipv6'] })
+    .allow('', null)
+    .messages({
+      'string.ip': 'IP地址格式无效'
+    }),
+
+  status: Joi.string()
+    .valid(...DEVICE_STATUS)
+    .default('offline')
+    .messages({
+      'any.only': `状态必须是以下之一: ${DEVICE_STATUS.join(', ')}`
+    }),
+
+  purchaseDate: Joi.date()
+    .allow(null)
+    .messages({
+      'date.base': '购买日期格式无效'
+    }),
+
+  warrantyExpiry: Joi.date()
+    .allow(null)
+    .messages({
+      'date.base': '保修到期日期格式无效'
+    }),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null)
+    .messages({
+      'string.max': '描述不能超过500个字符'
+    }),
+
+  customFields: Joi.object()
+    .allow(null)
+}).custom((value, helpers) => {
+  // 验证保修日期必须晚于购买日期
+  if (value.purchaseDate && value.warrantyExpiry) {
+    const purchase = new Date(value.purchaseDate);
+    const warranty = new Date(value.warrantyExpiry);
+    if (warranty <= purchase) {
+      return helpers.error('date.warrantyAfterPurchase');
+    }
+  }
+  return value;
+}).messages({
+  'date.warrantyAfterPurchase': '保修到期日期必须晚于购买日期'
+});
+
+// 更新设备验证Schema（所有字段可选）
+const updateDeviceSchema = Joi.object({
+  deviceId: Joi.string()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.max': '设备ID不能超过50个字符',
+      'string.pattern.base': '设备ID只能包含字母、数字、下划线和横线'
+    }),
+
+  name: Joi.string()
+    .max(100)
+    .messages({
+      'string.max': '设备名称不能超过100个字符'
+    }),
+
+  type: Joi.string()
+    .valid(...DEVICE_TYPES)
+    .messages({
+      'any.only': `设备类型必须是以下之一: ${DEVICE_TYPES.join(', ')}`
+    }),
+
+  model: Joi.string()
+    .max(100)
+    .allow('', null),
+
+  serialNumber: Joi.string()
+    .max(100)
+    .allow('', null),
+
+  rackId: Joi.string()
+    .max(50),
+
+  position: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .messages({
+      'number.base': '位置必须是数字',
+      'number.integer': '位置必须是整数',
+      'number.min': '位置不能小于1',
+      'number.max': '位置不能大于100'
+    }),
+
+  height: Joi.number()
+    .integer()
+    .min(1)
+    .max(50)
+    .messages({
+      'number.base': '高度必须是数字',
+      'number.integer': '高度必须是整数',
+      'number.min': '高度不能小于1',
+      'number.max': '高度不能大于50'
+    }),
+
+  powerConsumption: Joi.number()
+    .min(0)
+    .max(100000)
+    .messages({
+      'number.base': '功率必须是数字',
+      'number.min': '功率不能小于0',
+      'number.max': '功率不能超过100000'
+    }),
+
+  ipAddress: Joi.string()
+    .ip({ version: ['ipv4', 'ipv6'] })
+    .allow('', null)
+    .messages({
+      'string.ip': 'IP地址格式无效'
+    }),
+
+  status: Joi.string()
+    .valid(...DEVICE_STATUS)
+    .messages({
+      'any.only': `状态必须是以下之一: ${DEVICE_STATUS.join(', ')}`
+    }),
+
+  purchaseDate: Joi.date()
+    .allow(null),
+
+  warrantyExpiry: Joi.date()
+    .allow(null),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null),
+
+  customFields: Joi.object()
+    .allow(null)
+}).min(1).messages({
+  'object.min': '至少需要提供一个字段进行更新'
+});
+
+// 批量操作验证Schema
+const batchDeviceIdsSchema = Joi.object({
+  deviceIds: Joi.array()
+    .items(Joi.string().required())
+    .min(1)
+    .required()
+    .messages({
+      'array.base': '设备ID列表必须是数组',
+      'array.min': '至少需要提供一个设备ID',
+      'any.required': '设备ID列表是必填字段'
+    })
+});
+
+// 批量状态变更验证Schema
+const batchStatusSchema = Joi.object({
+  deviceIds: Joi.array()
+    .items(Joi.string().required())
+    .min(1)
+    .required()
+    .messages({
+      'array.base': '设备ID列表必须是数组',
+      'array.min': '至少需要提供一个设备ID',
+      'any.required': '设备ID列表是必填字段'
+    }),
+  status: Joi.string()
+    .valid(...DEVICE_STATUS)
+    .required()
+    .messages({
+      'any.only': `状态必须是以下之一: ${DEVICE_STATUS.join(', ')}`,
+      'any.required': '状态是必填字段'
+    })
+});
+
+// 批量移动验证Schema
+const batchMoveSchema = Joi.object({
+  deviceIds: Joi.array()
+    .items(Joi.string().required())
+    .min(1)
+    .required(),
+  targetRackId: Joi.string()
+    .required()
+    .max(50)
+    .messages({
+      'string.empty': '目标机柜ID不能为空',
+      'any.required': '目标机柜ID是必填字段'
+    }),
+  startPosition: Joi.number()
+    .integer()
+    .min(1)
+    .allow(null)
+});
+
+// 查询参数验证Schema
+const queryDeviceSchema = Joi.object({
+  keyword: Joi.string()
+    .max(100)
+    .allow(''),
+  status: Joi.string()
+    .valid(...DEVICE_STATUS, 'all')
+    .allow(''),
+  type: Joi.string()
+    .valid(...DEVICE_TYPES, 'all')
+    .allow(''),
+  rackId: Joi.string()
+    .max(50)
+    .allow(''),
+  page: Joi.number()
+    .integer()
+    .min(1)
+    .default(1),
+  pageSize: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .default(10)
+});
+
+module.exports = {
+  createDeviceSchema,
+  updateDeviceSchema,
+  batchDeviceIdsSchema,
+  batchStatusSchema,
+  batchMoveSchema,
+  queryDeviceSchema,
+  DEVICE_TYPES,
+  DEVICE_STATUS
+};
diff --git a/backend/validation/rackSchema.js b/backend/validation/rackSchema.js
new file mode 100644
index 0000000..cb98b85
--- /dev/null
+++ b/backend/validation/rackSchema.js
@@ -0,0 +1,171 @@
+const Joi = require('joi');
+
+// 机柜状态枚举
+const RACK_STATUS = ['active', 'inactive', 'maintenance'];
+
+// 创建机柜验证Schema
+const createRackSchema = Joi.object({
+  rackId: Joi.string()
+    .required()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.empty': '机柜ID不能为空',
+      'string.max': '机柜ID不能超过50个字符',
+      'string.pattern.base': '机柜ID只能包含字母、数字、下划线和横线',
+      'any.required': '机柜ID是必填字段'
+    }),
+
+  name: Joi.string()
+    .required()
+    .max(100)
+    .messages({
+      'string.empty': '机柜名称不能为空',
+      'string.max': '机柜名称不能超过100个字符',
+      'any.required': '机柜名称是必填字段'
+    }),
+
+  height: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .default(42)
+    .messages({
+      'number.base': '高度必须是数字',
+      'number.integer': '高度必须是整数',
+      'number.min': '高度不能小于1',
+      'number.max': '高度不能大于100'
+    }),
+
+  maxPower: Joi.number()
+    .min(0)
+    .max(1000000)
+    .default(10000)
+    .messages({
+      'number.base': '最大功率必须是数字',
+      'number.min': '最大功率不能小于0',
+      'number.max': '最大功率不能超过1000000'
+    }),
+
+  currentPower: Joi.number()
+    .min(0)
+    .default(0)
+    .messages({
+      'number.base': '当前功率必须是数字',
+      'number.min': '当前功率不能小于0'
+    }),
+
+  status: Joi.string()
+    .valid(...RACK_STATUS)
+    .default('active')
+    .messages({
+      'any.only': `状态必须是以下之一: ${RACK_STATUS.join(', ')}`
+    }),
+
+  roomId: Joi.string()
+    .required()
+    .max(50)
+    .messages({
+      'string.empty': '机房ID不能为空',
+      'string.max': '机房ID不能超过50个字符',
+      'any.required': '机房ID是必填字段'
+    }),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null)
+    .messages({
+      'string.max': '描述不能超过500个字符'
+    })
+});
+
+// 更新机柜验证Schema
+const updateRackSchema = Joi.object({
+  rackId: Joi.string()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.max': '机柜ID不能超过50个字符',
+      'string.pattern.base': '机柜ID只能包含字母、数字、下划线和横线'
+    }),
+
+  name: Joi.string()
+    .max(100)
+    .messages({
+      'string.max': '机柜名称不能超过100个字符'
+    }),
+
+  height: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .messages({
+      'number.base': '高度必须是数字',
+      'number.integer': '高度必须是整数',
+      'number.min': '高度不能小于1',
+      'number.max': '高度不能大于100'
+    }),
+
+  maxPower: Joi.number()
+    .min(0)
+    .max(1000000)
+    .messages({
+      'number.base': '最大功率必须是数字',
+      'number.min': '最大功率不能小于0',
+      'number.max': '最大功率不能超过1000000'
+    }),
+
+  currentPower: Joi.number()
+    .min(0)
+    .messages({
+      'number.base': '当前功率必须是数字',
+      'number.min': '当前功率不能小于0'
+    }),
+
+  status: Joi.string()
+    .valid(...RACK_STATUS)
+    .messages({
+      'any.only': `状态必须是以下之一: ${RACK_STATUS.join(', ')}`
+    }),
+
+  roomId: Joi.string()
+    .max(50),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null)
+    .messages({
+      'string.max': '描述不能超过500个字符'
+    })
+}).min(1).messages({
+  'object.min': '至少需要提供一个字段进行更新'
+});
+
+// 查询机柜验证Schema
+const queryRackSchema = Joi.object({
+  roomId: Joi.string()
+    .max(50)
+    .allow(''),
+  status: Joi.string()
+    .valid(...RACK_STATUS, 'all')
+    .allow(''),
+  keyword: Joi.string()
+    .max(100)
+    .allow(''),
+  page: Joi.number()
+    .integer()
+    .min(1)
+    .default(1),
+  pageSize: Joi.number()
+    .integer()
+    .min(1)
+    .max(100)
+    .default(10)
+});
+
+module.exports = {
+  createRackSchema,
+  updateRackSchema,
+  queryRackSchema,
+  RACK_STATUS
+};
diff --git a/backend/validation/roomSchema.js b/backend/validation/roomSchema.js
new file mode 100644
index 0000000..8c37171
--- /dev/null
+++ b/backend/validation/roomSchema.js
@@ -0,0 +1,120 @@
+const Joi = require('joi');
+
+// 创建机房验证Schema
+const createRoomSchema = Joi.object({
+  roomId: Joi.string()
+    .required()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.empty': '机房ID不能为空',
+      'string.max': '机房ID不能超过50个字符',
+      'string.pattern.base': '机房ID只能包含字母、数字、下划线和横线',
+      'any.required': '机房ID是必填字段'
+    }),
+
+  name: Joi.string()
+    .required()
+    .max(100)
+    .messages({
+      'string.empty': '机房名称不能为空',
+      'string.max': '机房名称不能超过100个字符',
+      'any.required': '机房名称是必填字段'
+    }),
+
+  location: Joi.string()
+    .max(200)
+    .allow('', null)
+    .messages({
+      'string.max': '位置不能超过200个字符'
+    }),
+
+  area: Joi.number()
+    .min(0)
+    .max(1000000)
+    .allow(null)
+    .messages({
+      'number.base': '面积必须是数字',
+      'number.min': '面积不能小于0',
+      'number.max': '面积不能超过1000000'
+    }),
+
+  capacity: Joi.number()
+    .integer()
+    .min(0)
+    .max(10000)
+    .allow(null)
+    .messages({
+      'number.base': '容量必须是数字',
+      'number.integer': '容量必须是整数',
+      'number.min': '容量不能小于0',
+      'number.max': '容量不能超过10000'
+    }),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null)
+    .messages({
+      'string.max': '描述不能超过500个字符'
+    })
+});
+
+// 更新机房验证Schema
+const updateRoomSchema = Joi.object({
+  roomId: Joi.string()
+    .max(50)
+    .pattern(/^[a-zA-Z0-9_-]+$/)
+    .messages({
+      'string.max': '机房ID不能超过50个字符',
+      'string.pattern.base': '机房ID只能包含字母、数字、下划线和横线'
+    }),
+
+  name: Joi.string()
+    .max(100)
+    .messages({
+      'string.max': '机房名称不能超过100个字符'
+    }),
+
+  location: Joi.string()
+    .max(200)
+    .allow('', null)
+    .messages({
+      'string.max': '位置不能超过200个字符'
+    }),
+
+  area: Joi.number()
+    .min(0)
+    .max(1000000)
+    .allow(null)
+    .messages({
+      'number.base': '面积必须是数字',
+      'number.min': '面积不能小于0',
+      'number.max': '面积不能超过1000000'
+    }),
+
+  capacity: Joi.number()
+    .integer()
+    .min(0)
+    .max(10000)
+    .allow(null)
+    .messages({
+      'number.base': '容量必须是数字',
+      'number.integer': '容量必须是整数',
+      'number.min': '容量不能小于0',
+      'number.max': '容量不能超过10000'
+    }),
+
+  description: Joi.string()
+    .max(500)
+    .allow('', null)
+    .messages({
+      'string.max': '描述不能超过500个字符'
+    })
+}).min(1).messages({
+  'object.min': '至少需要提供一个字段进行更新'
+});
+
+module.exports = {
+  createRoomSchema,
+  updateRoomSchema
+};
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index aa6d060..cc0c106 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -5,6 +5,7 @@ import { BrowserRouter as Router, Routes, Route, Link, Navigate, useLocation, us
 import { useAuth } from './context/AuthContext';
 import { ConfigProvider, useConfig } from './context/ConfigContext';
 import { Scene3DProvider } from './context/Scene3DContext';
+import { useDesignTokens } from './hooks/useDesignTokens';
 import { Spin } from 'antd';
 
 const Dashboard = lazy(() => import('./pages/Dashboard'));
@@ -59,55 +60,6 @@ const AuthLoading = () => (
   </div>
 );
 
-const designTokens = {
-  colors: {
-    primary: {
-      main: '#667eea',
-      gradient: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
-      light: '#8b9ff0'
-    },
-    success: { main: '#10b981' },
-    warning: { main: '#f59e0b' },
-    error: { main: '#ef4444' },
-    text: {
-      primary: '#1e293b',
-      secondary: '#64748b',
-      inverse: '#ffffff'
-    },
-    background: {
-      primary: '#ffffff',
-      secondary: '#f8fafc',
-      dark: '#1e293b'
-    },
-    border: {
-      light: '#e2e8f0'
-    },
-    sidebar: {
-      bg: '#ffffff',
-      bgHover: 'rgba(102, 126, 234, 0.08)',
-      bgActive: 'rgba(102, 126, 234, 0.15)',
-      text: '#475569',
-      textHover: '#667eea',
-      textActive: '#667eea',
-      border: '#e2e8f0'
-    }
-  },
-  shadows: {
-    small: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
-    medium: '0 4px 6px -1px rgba(0, 0, 0, 0.1)',
-    large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)'
-  },
-  borderRadius: {
-    small: '6px',
-    medium: '10px'
-  },
-  spacing: {
-    sm: '8px',
-    md: '16px',
-    lg: '24px'
-  }
-};
-
 const PrivateRoute = ({ children }) => {
   const { token, initialized, loading } = useAuth();
   const location = useLocation();
@@ -133,9 +85,10 @@ const AppLayout = ({ children }) => {
   const [collapsed, setCollapsed] = useState(false);
   const [activeKey, setActiveKey] = useState('dashboard');
   const { user, logout } = useAuth();
+  const { config } = useConfig();
   const navigate = useNavigate();
   const location = useLocation();
-  const { config } = useConfig();
+  const designTokens = useDesignTokens();
   
   const handleLogout = () => {
     logout();
@@ -155,56 +108,6 @@ const AppLayout = ({ children }) => {
     return 'dashboard';
   };
 
-  // 动态设计令牌
-  const designTokens = {
-    colors: {
-      primary: {
-        main: config.primary_color || '#667eea',
-        gradient: `linear-gradient(135deg, ${config.primary_color || '#667eea'} 0%, ${config.secondary_color || '#764ba2'} 100%)`,
-        light: '#8b9ff0'
-      },
-      success: { main: '#10b981' },
-      warning: { main: '#f59e0b' },
-      error: { main: '#ef4444' },
-      text: {
-        primary: '#1e293b',
-        secondary: '#64748b',
-        inverse: '#ffffff'
-      },
-      background: {
-        primary: '#ffffff',
-        secondary: '#f8fafc',
-        dark: '#1e293b'
-      },
-      border: {
-        light: '#e2e8f0'
-      },
-      sidebar: {
-        bg: '#ffffff',
-        bgHover: 'rgba(102, 126, 234, 0.08)',
-        bgActive: 'rgba(102, 126, 234, 0.15)',
-        text: '#475569',
-        textHover: config.primary_color || '#667eea',
-        textActive: config.primary_color || '#667eea',
-        border: '#e2e8f0'
-      }
-    },
-    shadows: {
-      small: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
-      medium: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1)',
-      large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)'
-    },
-    borderRadius: {
-      small: '6px',
-      medium: '10px'
-    },
-    spacing: {
-      sm: '8px',
-      md: '16px',
-      lg: '24px'
-    }
-  };
-
   const menuItems = [
     {
       key: 'dashboard',
@@ -518,57 +421,7 @@ const AppLayout = ({ children }) => {
 };
 
 const ThemeConfig = () => {
-  const { config } = useConfig();
-  
-  // 动态设计令牌
-  const designTokens = {
-    colors: {
-      primary: {
-        main: config.primary_color || '#667eea',
-        gradient: `linear-gradient(135deg, ${config.primary_color || '#667eea'} 0%, ${config.secondary_color || '#764ba2'} 100%)`,
-        light: '#8b9ff0'
-      },
-      success: { main: '#10b981' },
-      warning: { main: '#f59e0b' },
-      error: { main: '#ef4444' },
-      text: {
-        primary: '#1e293b',
-        secondary: '#64748b',
-        inverse: '#ffffff'
-      },
-      background: {
-        primary: '#ffffff',
-        secondary: '#f8fafc',
-        dark: '#1e293b'
-      },
-      border: {
-        light: '#e2e8f0'
-      },
-      sidebar: {
-        bg: '#ffffff',
-        bgHover: 'rgba(102, 126, 234, 0.08)',
-        bgActive: 'rgba(102, 126, 234, 0.15)',
-        text: '#475569',
-        textHover: config.primary_color || '#667eea',
-        textActive: config.primary_color || '#667eea',
-        border: '#e2e8f0'
-      }
-    },
-    shadows: {
-      small: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
-      medium: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1)',
-      large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)'
-    },
-    borderRadius: {
-      small: '6px',
-      medium: '10px'
-    },
-    spacing: {
-      sm: '8px',
-      md: '16px',
-      lg: '24px'
-    }
-  };
+  const designTokens = useDesignTokens();
 
   return (
     <AntdConfigProvider theme={{ token: designTokens }}>
diff --git a/frontend/src/api/index.js b/frontend/src/api/index.js
index 327a516..d75f0be 100644
--- a/frontend/src/api/index.js
+++ b/frontend/src/api/index.js
@@ -15,9 +15,20 @@ api.interceptors.request.use(
     const token = localStorage.getItem('token');
     if (token) {
       config.headers.Authorization = `Bearer ${token}`;
-    } else {
-      console.log('[API] No token found in localStorage');
     }
+    
+    // 开发环境下安全日志：过滤敏感字段
+    if (process.env.NODE_ENV === 'development') {
+      const sensitiveFields = ['password', 'oldPassword', 'newPassword', 'confirmPassword'];
+      const safeData = config.data ? { ...config.data } : null;
+      if (safeData) {
+        sensitiveFields.forEach(field => {
+          if (safeData[field]) safeData[field] = '***';
+        });
+      }
+      console.log(`[API] ${config.method?.toUpperCase()} ${config.url}`, safeData || '');
+    }
+    
     return config;
   },
   (error) => {
diff --git a/frontend/src/components/3d/DeviceModel.jsx b/frontend/src/components/3d/DeviceModel.jsx
index 12ef54e..b816133 100644
--- a/frontend/src/components/3d/DeviceModel.jsx
+++ b/frontend/src/components/3d/DeviceModel.jsx
@@ -179,7 +179,8 @@ const InstancedStatusLights = ({ count, positions, colors: statusColors, zOffset
     useEffect(() => {
         return () => {
             if (meshRef.current) {
-                meshRef.current.dispose();
+                meshRef.current.geometry?.dispose();
+                meshRef.current.material?.dispose();
             }
         };
     }, []);
@@ -219,8 +220,14 @@ const InstancedDriveBays = ({ count, positions, color, hasDetail = true }) => {
     // 资源清理
     useEffect(() => {
         return () => {
-            if (meshRef.current) meshRef.current.dispose();
-            if (detailRef.current) detailRef.current.dispose();
+            if (meshRef.current) {
+                meshRef.current.geometry?.dispose();
+                meshRef.current.material?.dispose();
+            }
+            if (detailRef.current) {
+                detailRef.current.geometry?.dispose();
+                detailRef.current.material?.dispose();
+            }
         };
     }, []);
 
@@ -265,8 +272,14 @@ const InstancedStorageBays = ({ count, positions, color }) => {
     // 资源清理
     useEffect(() => {
         return () => {
-            if (meshRef.current) meshRef.current.dispose();
-            if (detailRef.current) detailRef.current.dispose();
+            if (meshRef.current) {
+                meshRef.current.geometry?.dispose();
+                meshRef.current.material?.dispose();
+            }
+            if (detailRef.current) {
+                detailRef.current.geometry?.dispose();
+                detailRef.current.material?.dispose();
+            }
         };
     }, []);
 
@@ -335,10 +348,22 @@ const InstancedRJ45Ports = ({ count, positions, statuses, frontZ }) => {
     // 资源清理
     useEffect(() => {
         return () => {
-            if (meshRef.current) meshRef.current.dispose();
-            if (innerRef.current) innerRef.current.dispose();
-            if (tabRef.current) tabRef.current.dispose();
-            if (ledRef.current) ledRef.current.dispose();
+            if (meshRef.current) {
+                meshRef.current.geometry?.dispose();
+                meshRef.current.material?.dispose();
+            }
+            if (innerRef.current) {
+                innerRef.current.geometry?.dispose();
+                innerRef.current.material?.dispose();
+            }
+            if (tabRef.current) {
+                tabRef.current.geometry?.dispose();
+                tabRef.current.material?.dispose();
+            }
+            if (ledRef.current) {
+                ledRef.current.geometry?.dispose();
+                ledRef.current.material?.dispose();
+            }
         };
     }, []);
 
@@ -421,10 +446,22 @@ const InstancedSFPports = ({ count, positions, statuses, frontZ }) => {
     // 资源清理
     useEffect(() => {
         return () => {
-            if (meshRef.current) meshRef.current.dispose();
-            if (innerRef.current) innerRef.current.dispose();
-            if (connectorRef.current) connectorRef.current.dispose();
-            if (ledRef.current) ledRef.current.dispose();
+            if (meshRef.current) {
+                meshRef.current.geometry?.dispose();
+                meshRef.current.material?.dispose();
+            }
+            if (innerRef.current) {
+                innerRef.current.geometry?.dispose();
+                innerRef.current.material?.dispose();
+            }
+            if (connectorRef.current) {
+                connectorRef.current.geometry?.dispose();
+                connectorRef.current.material?.dispose();
+            }
+            if (ledRef.current) {
+                ledRef.current.geometry?.dispose();
+                ledRef.current.material?.dispose();
+            }
         };
     }, []);
 
@@ -443,10 +480,16 @@ const FirewallFace = ({ device, height, frontZ, isSelected }) => {
 
   return (
       <group>
+        {/* 防火墙左侧红色标识条 */}
         <mesh position={[-halfWidth + 0.02, 0, frontZ + 0.006]}>
-           <boxGeometry args={[0.01, height, 0.003]} />
+           <boxGeometry args={[0.015, height - 0.008, 0.003]} />
            <meshStandardMaterial color="#ef4444" emissive="#ef4444" emissiveIntensity={0.3} />
         </mesh>
+        {/* 防火墙主面板边框 */}
+        <mesh position={[-halfWidth + 0.035, 0, frontZ + 0.005]}>
+           <boxGeometry args={[0.005, height - 0.004, 0.002]} />
+           <meshStandardMaterial color="#dc2626" />
+        </mesh>
 
         <mesh position={[0, 0, frontZ + 0.0055]}>
             <boxGeometry args={[0.46, height - 0.004, 0.002]} />
@@ -631,10 +674,16 @@ const DeviceModel = ({ device, rackHeight, isSelected, onClick, onHover, uHeight
 
     return (
       <group>
+         {/* 服务器主面板 - 深蓝色 */}
          <mesh position={[0, 0, frontZ + 0.0055]}>
             <boxGeometry args={[0.44, height - 0.004, 0.002]} />
             <meshStandardMaterial color="#1e293b" roughness={0.7} metalness={0.5} />
          </mesh>
+         {/* 服务器左侧标识条 - 亮蓝色 */}
+         <mesh position={[-0.21, 0, frontZ + 0.006]}>
+            <boxGeometry args={[0.015, height - 0.008, 0.003]} />
+            <meshStandardMaterial color="#3b82f6" emissive="#3b82f6" emissiveIntensity={0.2} />
+         </mesh>
 
          <group position={[-0.18, 0, frontZ + 0.006]}>
              <mesh position={[-0.02, 0, 0]}>
@@ -710,11 +759,17 @@ const DeviceModel = ({ device, rackHeight, isSelected, onClick, onHover, uHeight
 
     return (
         <group>
+            {/* 存储设备主面板 - 深紫色 */}
             <mesh position={[0, 0, frontZ + 0.0055]}>
                 <boxGeometry args={[0.44, height - 0.004, 0.002]} />
                 <meshStandardMaterial color="#0f172a" roughness={0.8} />
             </mesh>
-            
+            {/* 存储设备左侧标识条 - 紫色 */}
+            <mesh position={[-0.21, 0, frontZ + 0.006]}>
+                <boxGeometry args={[0.015, height - 0.008, 0.003]} />
+                <meshStandardMaterial color="#8b5cf6" emissive="#8b5cf6" emissiveIntensity={0.2} />
+            </mesh>
+
             <group position={[0, 0, frontZ + 0.008]}>
                 <InstancedStorageBays 
                     count={bayPositions.length} 
@@ -769,9 +824,20 @@ const DeviceModel = ({ device, rackHeight, isSelected, onClick, onHover, uHeight
 
     return (
       <group>
+        {/* 交换机主面板 - 深绿色背景突出显示 */}
         <mesh position={[0, 0, frontZ + 0.0055]}>
             <boxGeometry args={[0.44, height - 0.004, 0.002]} />
-            <meshStandardMaterial color="#334155" roughness={0.6} metalness={0.4} />
+            <meshStandardMaterial color="#064e3b" roughness={0.5} metalness={0.5} />
+        </mesh>
+        {/* 交换机左侧标识条 - 亮绿色 */}
+        <mesh position={[-0.21, 0, frontZ + 0.006]}>
+            <boxGeometry args={[0.015, height - 0.008, 0.003]} />
+            <meshStandardMaterial color="#10b981" emissive="#10b981" emissiveIntensity={0.2} />
+        </mesh>
+        {/* 交换机类型标识 */}
+        <mesh position={[-0.19, height/2 - 0.015, frontZ + 0.007]}>
+            <boxGeometry args={[0.025, 0.012, 0.002]} />
+            <meshStandardMaterial color="#065f46" />
         </mesh>
 
         <group position={[-0.19, 0, frontZ + 0.006]}>
@@ -969,13 +1035,18 @@ const DeviceModel = ({ device, rackHeight, isSelected, onClick, onHover, uHeight
     return (
        <group>
            {/* 默认面板纹理 */}
-           <mesh position={[0, 0, frontZ + 0.005]}>
-              <boxGeometry args={[0.7, height - gap - 0.01, 0.002]} />
-              <meshStandardMaterial color="#1e293b" roughness={0.6} />
+           <mesh position={[0, 0, frontZ + 0.0055]}>
+              <boxGeometry args={[0.44, height - 0.004, 0.002]} />
+              <meshStandardMaterial color="#374151" roughness={0.6} metalness={0.4} />
+           </mesh>
+           {/* 左侧灰色标识条 */}
+           <mesh position={[-0.21, 0, frontZ + 0.006]}>
+               <boxGeometry args={[0.015, height - 0.008, 0.003]} />
+               <meshStandardMaterial color="#6b7280" emissive="#6b7280" emissiveIntensity={0.1} />
            </mesh>
            {/* 装饰线 */}
-           <mesh position={[0, 0, frontZ + 0.006]}>
-               <boxGeometry args={[0.6, 0.005, 0.001]} />
+           <mesh position={[0, 0, frontZ + 0.007]}>
+               <boxGeometry args={[0.4, 0.003, 0.001]} />
                <meshStandardMaterial color={deviceColor} />
            </mesh>
        </group>
diff --git a/frontend/src/components/3d/Scene.jsx b/frontend/src/components/3d/Scene.jsx
index 913e052..10f819b 100644
--- a/frontend/src/components/3d/Scene.jsx
+++ b/frontend/src/components/3d/Scene.jsx
@@ -1,5 +1,5 @@
-import React, { Suspense, useMemo, useRef, useEffect } from 'react';
-import { Canvas, useFrame } from '@react-three/fiber';
+import React, { Suspense, useMemo, useRef, useEffect, forwardRef, useImperativeHandle } from 'react';
+import { Canvas, useFrame, useThree } from '@react-three/fiber';
 import { OrbitControls, PerspectiveCamera, Environment } from '@react-three/drei';
 const envMapUrl = '/assets/3d/env.hdr';
 import RackModel from './RackModel';
@@ -10,16 +10,50 @@ import * as THREE from 'three';
 const isMobile = /iPhone|iPad|iPod|Android/i.test(navigator.userAgent);
 // 检测是否为小屏幕
 const isSmallScreen = window.innerWidth < 768;
-// 移动端或小屏幕使用 dpr=1，桌面端使用 dpr=[1, 1.5]
-const deviceDpr = isMobile || isSmallScreen ? 1 : [1, 1.5];
+// 移动端或小屏幕使用 dpr=1，桌面端使用 dpr=[1, 2] 提升清晰度
+const deviceDpr = isMobile || isSmallScreen ? 1 : [1, 2];
+
+// 创建全局 ref 用于外部访问 controls
+const controlsRefGlobal = { current: null };
 
 // 内部组件用于处理 OrbitControls
-const Controls = ({ rack }) => {
+const Controls = ({ rack, onControlsReady }) => {
   const controlsRef = useRef();
+  const { camera } = useThree();
   // 机柜中心点（中轴线）
-  const targetY = (rack?.height || 45) * 0.04445 / 2 + 0.5;
+  const rackHeight = rack?.height || 45;
+  const targetY = rackHeight * 0.04445 / 2 + 0.5;
   const fixedTarget = useMemo(() => new THREE.Vector3(0, targetY, 0), [targetY]);
 
+  // 根据机柜高度计算合适的相机距离限制
+  const minDistance = useMemo(() => Math.max(1.5, rackHeight * 0.04445 * 0.3), [rackHeight]);
+  const maxDistance = useMemo(() => Math.max(8, rackHeight * 0.04445 * 1.5), [rackHeight]);
+
+  // 保存相机初始位置用于重置
+  const initialCameraPosition = useMemo(() => {
+    const rackHeightMeters = rackHeight * 0.04445;
+    const baseHeight = 2;
+    const heightFactor = rackHeightMeters * 0.6;
+    const distance = Math.max(3, rackHeightMeters * 1.2);
+    return new THREE.Vector3(distance * 0.7, baseHeight + heightFactor * 0.3, distance);
+  }, [rackHeight]);
+
+  useEffect(() => {
+    if (controlsRef.current) {
+      controlsRefGlobal.current = controlsRef.current;
+      if (onControlsReady) {
+        onControlsReady({
+          reset: () => {
+            // 重置相机位置
+            camera.position.copy(initialCameraPosition);
+            controlsRef.current.target.copy(fixedTarget);
+            controlsRef.current.update();
+          }
+        });
+      }
+    }
+  }, [controlsRef.current, camera, initialCameraPosition, fixedTarget, onControlsReady]);
+
   useFrame(() => {
     if (controlsRef.current) {
       // 强制保持 target 在机柜中轴线
@@ -32,17 +66,19 @@ const Controls = ({ rack }) => {
     <OrbitControls
       ref={controlsRef}
       makeDefault
-      minPolarAngle={0}
-      maxPolarAngle={Math.PI / 1.75}
+      minPolarAngle={0.1}
+      maxPolarAngle={Math.PI / 1.5}
       minAzimuthAngle={-Infinity}
       maxAzimuthAngle={Infinity}
+      minDistance={minDistance}
+      maxDistance={maxDistance}
       enablePan={true}
       enableZoom={true}
       enableRotate={true}
       mouseButtons={{
         LEFT: 0,    // 左键旋转
-        MIDDLE: 0,  // 中键禁用（避免平移改变旋转中心）
-        RIGHT: 0    // 右键禁用
+        MIDDLE: 1,  // 中键平移
+        RIGHT: 2    // 右键平移
       }}
       touches={{
         ONE: 1,
@@ -52,7 +88,7 @@ const Controls = ({ rack }) => {
   );
 };
 
-const Scene = ({ rack, tooltipFields, onDeviceClick, onDeviceHover, onDeviceLeave }) => {
+const Scene = forwardRef(({ rack, tooltipFields, onDeviceClick, onDeviceHover, onDeviceLeave }, ref) => {
   // 从 Context 获取3D场景状态
   const {
     devices,
@@ -60,6 +96,18 @@ const Scene = ({ rack, tooltipFields, onDeviceClick, onDeviceHover, onDeviceLeav
     deviceSlideEnabled
   } = useScene3D();
 
+  // 用于存储 controls API
+  const controlsApiRef = useRef(null);
+
+  // 使用 useImperativeHandle 暴露重置方法给父组件
+  useImperativeHandle(ref, () => ({
+    resetView: () => {
+      if (controlsApiRef.current) {
+        controlsApiRef.current.reset();
+      }
+    }
+  }));
+
   // 使用 useMemo 稳定 props 引用
   const rackModelProps = useMemo(() => ({
     rack,
@@ -72,47 +120,63 @@ const Scene = ({ rack, tooltipFields, onDeviceClick, onDeviceHover, onDeviceLeav
     deviceSlideEnabled
   }), [rack, devices, selectedDevice, onDeviceClick, onDeviceLeave, onDeviceHover, tooltipFields, deviceSlideEnabled]);
 
+  // 根据机柜高度动态计算相机初始位置
+  const rackHeight = rack?.height || 45;
+  const rackHeightMeters = rackHeight * 0.04445;
+  // 相机位置：确保能完整看到机柜，高度随机柜高度调整
+  const cameraPosition = useMemo(() => {
+    const baseHeight = 2;
+    const heightFactor = rackHeightMeters * 0.6;
+    const distance = Math.max(3, rackHeightMeters * 1.2);
+    return [distance * 0.7, baseHeight + heightFactor * 0.3, distance];
+  }, [rackHeightMeters]);
+
+  // 相机目标点（机柜中心）
+  const cameraTarget = useMemo(() => {
+    return [0, rackHeightMeters / 2 + 0.5, 0];
+  }, [rackHeightMeters]);
+
   return (
     <Canvas
       shadows
       dpr={deviceDpr}
       performance={{ min: 0.5 }}
       gl={{
-        antialias: !isMobile, // 移动端关闭抗锯齿提升性能
+        antialias: true, // 对所有设备开启抗锯齿提升清晰度
         alpha: true, // 必须开启alpha以支持透明背景
         powerPreference: 'high-performance'
       }}
       style={{ background: 'transparent' }}
     >
-      <PerspectiveCamera makeDefault position={[3, 2, 4]} fov={50} />
-      
+      <PerspectiveCamera makeDefault position={cameraPosition} fov={45} />
+
       <ambientLight intensity={0.5} color="#ffffff" />
       <pointLight position={[5, 8, 5]} intensity={2} color="#ffffff" castShadow />
-      <directionalLight 
-        position={[10, 10, 5]} 
-        intensity={1} 
-        castShadow 
-        shadow-mapSize={[1024, 1024]}
+      <directionalLight
+        position={[10, 10, 5]}
+        intensity={1}
+        castShadow
+        shadow-mapSize={[2048, 2048]}
         shadow-camera-far={20}
         shadow-camera-left={-10}
         shadow-camera-right={10}
         shadow-camera-top={10}
         shadow-camera-bottom={-10}
       />
-      
+
       <Suspense fallback={null}>
         <Environment files={envMapUrl} blur={0.5} resolution={256} background={false} />
       </Suspense>
-      
+
       {/* Models */}
       <group position={[0, 0, 0]}>
         <RackModel {...rackModelProps} />
       </group>
-      
+
       {/* Controls - 使用独立组件保持旋转中心固定 */}
-      <Controls rack={rack} />
+      <Controls rack={rack} onControlsReady={(api) => { controlsApiRef.current = api; }} />
     </Canvas>
   );
-};
+});
 
 export default Scene;
\ No newline at end of file
diff --git a/frontend/src/hooks/useDesignTokens.js b/frontend/src/hooks/useDesignTokens.js
new file mode 100644
index 0000000..c43da6c
--- /dev/null
+++ b/frontend/src/hooks/useDesignTokens.js
@@ -0,0 +1,90 @@
+import { useMemo } from 'react';
+import { useConfig } from '../context/ConfigContext';
+
+/**
+ * 使用设计令牌 Hook
+ * 集中管理主题配置，避免在多个组件中重复定义
+ * @returns {Object} 设计令牌对象
+ */
+export const useDesignTokens = () => {
+  const { config } = useConfig();
+
+  const designTokens = useMemo(() => {
+    const primaryColor = config?.primary_color || '#667eea';
+    const secondaryColor = config?.secondary_color || '#764ba2';
+
+    return {
+      colors: {
+        primary: {
+          main: primaryColor,
+          gradient: `linear-gradient(135deg, ${primaryColor} 0%, ${secondaryColor} 100%)`,
+          light: '#8b9ff0'
+        },
+        success: { main: '#10b981' },
+        warning: { main: '#f59e0b' },
+        error: { main: '#ef4444' },
+        text: {
+          primary: '#1e293b',
+          secondary: '#64748b',
+          inverse: '#ffffff'
+        },
+        background: {
+          primary: '#ffffff',
+          secondary: '#f8fafc',
+          dark: '#1e293b'
+        },
+        border: {
+          light: '#e2e8f0'
+        },
+        sidebar: {
+          bg: '#ffffff',
+          bgHover: `rgba(${hexToRgb(primaryColor)}, 0.08)`,
+          bgActive: `rgba(${hexToRgb(primaryColor)}, 0.15)`,
+          text: '#475569',
+          textHover: primaryColor,
+          textActive: primaryColor,
+          border: '#e2e8f0'
+        }
+      },
+      shadows: {
+        small: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
+        medium: '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1)',
+        large: '0 10px 15px -3px rgba(0, 0, 0, 0.1)'
+      },
+      borderRadius: {
+        small: '6px',
+        medium: '10px'
+      },
+      spacing: {
+        sm: '8px',
+        md: '16px',
+        lg: '24px'
+      }
+    };
+  }, [config?.primary_color, config?.secondary_color]);
+
+  return designTokens;
+};
+
+/**
+ * 将十六进制颜色转换为RGB字符串
+ * @param {string} hex - 十六进制颜色值
+ * @returns {string} RGB字符串 (如: "102, 126, 234")
+ */
+function hexToRgb(hex) {
+  // 移除 # 号
+  const cleanHex = hex.replace('#', '');
+  
+  // 处理简写格式 (如: #fff)
+  const fullHex = cleanHex.length === 3 
+    ? cleanHex.split('').map(c => c + c).join('')
+    : cleanHex;
+  
+  const r = parseInt(fullHex.substring(0, 2), 16);
+  const g = parseInt(fullHex.substring(2, 4), 16);
+  const b = parseInt(fullHex.substring(4, 6), 16);
+  
+  return `${r}, ${g}, ${b}`;
+}
+
+export default useDesignTokens;
diff --git a/frontend/src/pages/Rack3DVisualization.jsx b/frontend/src/pages/Rack3DVisualization.jsx
index 9aca32b..ed90afe 100644
--- a/frontend/src/pages/Rack3DVisualization.jsx
+++ b/frontend/src/pages/Rack3DVisualization.jsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
 import { Layout, Select, Card, Spin, message, Typography, Descriptions, Tag, Button, Space, Empty, Modal, Form, Input, InputNumber, DatePicker, Checkbox, Switch } from 'antd';
-import { CloudServerOutlined, ReloadOutlined, ArrowLeftOutlined, InfoCircleOutlined, UpOutlined, DownOutlined, EditOutlined, SettingOutlined, FullscreenOutlined } from '@ant-design/icons';
+import { CloudServerOutlined, ReloadOutlined, ArrowLeftOutlined, InfoCircleOutlined, UpOutlined, DownOutlined, EditOutlined, SettingOutlined, FullscreenOutlined, EyeOutlined } from '@ant-design/icons';
 import { useNavigate } from 'react-router-dom';
 import axios from 'axios';
 import dayjs from 'dayjs';
@@ -17,7 +17,10 @@ const { Option } = Select;
 
 const Rack3DVisualization = () => {
   const navigate = useNavigate();
-  
+
+  // Scene 组件的 ref，用于调用重置视角方法
+  const sceneRef = useRef(null);
+
   // 使用 Scene3DContext 管理3D场景状态
   const {
     devices,
@@ -465,16 +468,26 @@ const Rack3DVisualization = () => {
                     <Option key={rack.rackId} value={rack.rackId}>{rack.name}</Option>
                 ))}
             </Select>
-            <Button 
+            <Button
                 type="primary"
                 ghost
-                icon={<ReloadOutlined />} 
+                icon={<ReloadOutlined />}
                 onClick={() => { fetchRacks(); if(selectedRack) fetchDevices(selectedRack.rackId); }}
                 style={{ borderRadius: '6px', borderColor: 'rgba(255,255,255,0.3)', color: 'rgba(255,255,255,0.9)' }}
                 className="hover-bright"
             >
                 刷新
             </Button>
+            <Button
+                type="primary"
+                ghost
+                icon={<EyeOutlined />}
+                onClick={() => { if(sceneRef.current) sceneRef.current.resetView(); }}
+                style={{ borderRadius: '6px', borderColor: 'rgba(255,255,255,0.3)', color: 'rgba(255,255,255,0.9)' }}
+                className="hover-bright"
+            >
+                重置视角
+            </Button>
             <div style={{ 
                 display: 'flex', 
                 alignItems: 'center', 
@@ -546,9 +559,10 @@ const Rack3DVisualization = () => {
              </div>
           ) : selectedRack ? (
              <>
-                <Scene 
-                    rack={selectedRack} 
-                    devices={devices} 
+                <Scene
+                    ref={sceneRef}
+                    rack={selectedRack}
+                    devices={devices}
                     selectedDeviceId={selectedDevice?.deviceId || selectedDevice?.id}
                     onDeviceClick={handleDeviceClick}
                     onDeviceLeave={handleDeviceLeave}
diff --git a/frontend/src/pages/SystemSettings.jsx b/frontend/src/pages/SystemSettings.jsx
index 8f5d3b8..483f0f6 100644
--- a/frontend/src/pages/SystemSettings.jsx
+++ b/frontend/src/pages/SystemSettings.jsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect } from 'react';
-import { Tabs, Form, Input, Switch, Select, Button, Card, Space, message, Modal, Table, Tag, Progress, Divider, Descriptions, Alert } from 'antd';
-import { SettingOutlined, GlobalOutlined, BgColorsOutlined, DatabaseOutlined, InfoCircleOutlined, CloudUploadOutlined, DeleteOutlined, ReloadOutlined, DownloadOutlined, SyncOutlined, CheckCircleOutlined, ExclamationCircleOutlined } from '@ant-design/icons';
+import { Tabs, Form, Input, Switch, Select, Button, Card, Space, message, Modal, Tag, Divider, Descriptions, Alert } from 'antd';
+import { SettingOutlined, GlobalOutlined, BgColorsOutlined, InfoCircleOutlined, CheckCircleOutlined, ExclamationCircleOutlined } from '@ant-design/icons';
 import axios from 'axios';
 import { useConfig } from '../context/ConfigContext';
 
@@ -12,15 +12,12 @@ const SystemSettings = () => {
   const [saving, setSaving] = useState(false);
   const [settings, setSettings] = useState({});
   const [activeTab, setActiveTab] = useState('general');
-  const [backupList, setBackupList] = useState([]);
-  const [backupLoading, setBackupLoading] = useState(false);
   const [systemInfo, setSystemInfo] = useState(null);
   const [form] = Form.useForm();
   const { reloadConfig } = useConfig();
 
   useEffect(() => {
     fetchSettings();
-    fetchBackupList();
     fetchSystemInfo();
   }, []);
 
@@ -42,18 +39,6 @@ const SystemSettings = () => {
     }
   };
 
-  const fetchBackupList = async () => {
-    setBackupLoading(true);
-    try {
-      const response = await axios.get('/api/system-settings/backup/list');
-      setBackupList(response.data.backups || []);
-    } catch (error) {
-      console.error('获取备份列表失败');
-    } finally {
-      setBackupLoading(false);
-    }
-  };
-
   const fetchSystemInfo = async () => {
     try {
       const response = await axios.get('/api/system-settings/system/info');
@@ -85,66 +70,6 @@ const SystemSettings = () => {
     }
   };
 
-  const handleCreateBackup = async () => {
-    Modal.confirm({
-      title: '确认创建备份',
-      icon: <ExclamationCircleOutlined />,
-      content: '确定要创建系统备份吗？这将导出所有设备、机柜、机房和耗材数据。',
-      onOk: async () => {
-        try {
-          message.loading('正在创建备份...', 0);
-          const response = await axios.post('/api/system-settings/backup');
-          message.destroy();
-          message.success('备份创建成功');
-          fetchBackupList();
-        } catch (error) {
-          message.destroy();
-          message.error('备份创建失败');
-        }
-      }
-    });
-  };
-
-  const handleRestoreBackup = (filename) => {
-    Modal.confirm({
-      title: '确认恢复备份',
-      icon: <ExclamationCircleOutlined />,
-      content: `确定要恢复备份 "${filename}" 吗？当前数据将被覆盖，且此操作不可撤销。`,
-      onOk: async () => {
-        try {
-          message.loading('正在恢复备份...', 0);
-          await axios.post('/api/system-settings/backup/restore', { filename });
-          message.destroy();
-          message.success('恢复成功，请刷新页面查看最新数据');
-        } catch (error) {
-          message.destroy();
-          message.error('恢复备份失败');
-        }
-      }
-    });
-  };
-
-  const handleDeleteBackup = (filename) => {
-    Modal.confirm({
-      title: '确认删除备份',
-      icon: <ExclamationCircleOutlined />,
-      content: `确定要删除备份 "${filename}" 吗？`,
-      onOk: async () => {
-        try {
-          await axios.delete(`/api/system-settings/backup/${filename}`);
-          message.success('删除成功');
-          fetchBackupList();
-        } catch (error) {
-          message.error('删除失败');
-        }
-      }
-    });
-  };
-
-  const handleDownloadBackup = (filename) => {
-    window.open(`/api/system-settings/backup/download/${filename}`, '_blank');
-  };
-
   const handleResetSetting = (key) => {
     Modal.confirm({
       title: '确认重置',
@@ -289,10 +214,6 @@ const SystemSettings = () => {
         { value: 'false', label: '展开' },
         { value: 'true', label: '折叠' }
       ],
-      auto_backup_enabled: [
-        { value: 'false', label: '关闭' },
-        { value: 'true', label: '开启' }
-      ]
     };
     return optionsMap[key] || [];
   };
@@ -352,86 +273,7 @@ const SystemSettings = () => {
     );
   };
 
-  const renderBackupSettings = () => {
-    const backupColumns = [
-      {
-        title: '文件名',
-        dataIndex: 'filename',
-        key: 'filename',
-        render: (text) => <code>{text}</code>
-      },
-      {
-        title: '大小',
-        dataIndex: 'size',
-        key: 'size',
-        render: (size) => {
-          const kb = size / 1024;
-          return kb < 1024 ? `${kb.toFixed(2)} KB` : `${(kb / 1024).toFixed(2)} MB`;
-        }
-      },
-      {
-        title: '创建时间',
-        dataIndex: 'createdAt',
-        key: 'createdAt',
-        render: (date) => new Date(date).toLocaleString('zh-CN')
-      },
-      {
-        title: '操作',
-        key: 'action',
-        render: (_, record) => (
-          <Space size="small">
-            <Button size="small" icon={<ReloadOutlined />} onClick={() => handleRestoreBackup(record.filename)}>恢复</Button>
-            <Button size="small" icon={<DownloadOutlined />} onClick={() => handleDownloadBackup(record.filename)}>下载</Button>
-            <Button size="small" danger icon={<DeleteOutlined />} onClick={() => handleDeleteBackup(record.filename)}>删除</Button>
-          </Space>
-        )
-      }
-    ];
-
-    // 备份设置键列表
-    const backupKeys = ['auto_backup_enabled', 'backup_interval', 'backup_retention', 'backup_path', 'last_backup_time', 'backup_count'];
-
-    return (
-      <div>
-        <Card title="自动备份设置" bordered={false} style={{ marginBottom: 16 }}>
-          <Form form={form} layout="vertical" onFinish={handleSaveSettings}>
-            {backupKeys.map(key => {
-              if (settings[key]) {
-                return renderFormItem(key, settings[key]);
-              }
-              return null;
-            })}
-            <Form.Item>
-              <Space>
-                <Button type="primary" htmlType="submit" loading={saving}>保存设置</Button>
-              </Space>
-            </Form.Item>
-          </Form>
-        </Card>
-
-        <Card title="手动备份管理" bordered={false}>
-          <Alert
-            message="数据安全提示"
-            description="建议定期创建备份，并将备份文件保存到安全的位置。恢复备份前请确保已创建当前数据的备份。"
-            type="warning"
-            showIcon
-            style={{ marginBottom: 16 }}
-          />
-          <Space style={{ marginBottom: 16 }}>
-            <Button type="primary" icon={<CloudUploadOutlined />} onClick={handleCreateBackup}>立即备份</Button>
-            <Button icon={<SyncOutlined />} onClick={fetchBackupList}>刷新列表</Button>
-          </Space>
-          <Table
-            dataSource={backupList}
-            columns={backupColumns}
-            rowKey="filename"
-            loading={backupLoading}
-            pagination={{ pageSize: 5 }}
-          />
-        </Card>
-      </div>
-    );
-  };
+  // 数据备份功能已移除
 
   const renderAboutPage = () => {
     const aboutKeys = ['app_version', 'company_name', 'contact_email', 'contact_phone', 'company_address', 'system_description', 'privacy_policy', 'terms_of_service'];
@@ -504,12 +346,6 @@ const SystemSettings = () => {
         >
           {renderAppearanceSettings()}
         </TabPane>
-        <TabPane
-          tab={<span><DatabaseOutlined /> 数据备份</span>}
-          key="backup"
-        >
-          {renderBackupSettings()}
-        </TabPane>
         <TabPane
           tab={<span><InfoCircleOutlined /> 关于</span>}
           key="about"
diff --git a/frontend/src/pages/TicketManagement.jsx b/frontend/src/pages/TicketManagement.jsx
index 61c8383..10aa816 100644
--- a/frontend/src/pages/TicketManagement.jsx
+++ b/frontend/src/pages/TicketManagement.jsx
@@ -4,6 +4,17 @@ import { PlusOutlined, EditOutlined, DeleteOutlined, SearchOutlined, EyeOutlined
 import axios from 'axios';
 import dayjs from 'dayjs';
 
+// 安全地从 localStorage 获取用户信息
+const getUserFromStorage = () => {
+  try {
+    const userStr = localStorage.getItem('user');
+    return userStr ? JSON.parse(userStr) : {};
+  } catch (e) {
+    console.error('解析用户信息失败:', e);
+    return {};
+  }
+};
+
 const { Option } = Select;
 const { RangePicker } = DatePicker;
 const { TextArea } = Input;
@@ -412,7 +423,7 @@ function TicketManagement() {
         await axios.put(`/api/tickets/${editingTicket.ticketId}`, ticketData);
         message.success('工单更新成功');
       } else {
-        const user = JSON.parse(localStorage.getItem('user') || '{}');
+        const user = getUserFromStorage();
         ticketData.reporterId = user.userId || localStorage.getItem('userId') || 'USER001';
         ticketData.reporterName = user.username || '系统用户';
         await axios.post('/api/tickets', ticketData);
@@ -457,10 +468,11 @@ function TicketManagement() {
 
   const handleProcessSubmit = useCallback(async (values) => {
     try {
+      const user = getUserFromStorage();
       await axios.put(`/api/tickets/${selectedTicket.ticketId}/process`, {
         ...values,
         operatorId: localStorage.getItem('userId'),
-        operatorName: JSON.parse(localStorage.getItem('user') || '{}').username
+        operatorName: user.username
       });
       message.success('工单处理完成');
       setProcessingModalVisible(false);
@@ -473,10 +485,11 @@ function TicketManagement() {
 
   const handleStatusChange = useCallback(async (ticketId, newStatus) => {
     try {
+      const user = getUserFromStorage();
       await axios.put(`/api/tickets/${ticketId}/status`, {
         status: newStatus,
         operatorId: localStorage.getItem('userId'),
-        operatorName: JSON.parse(localStorage.getItem('user') || '{}').username
+        operatorName: user.username
       });
       message.success('状态更新成功');
       fetchTickets();
diff --git a/frontend/src/utils/crypto.js b/frontend/src/utils/crypto.js
new file mode 100644
index 0000000..4be82e7
--- /dev/null
+++ b/frontend/src/utils/crypto.js
@@ -0,0 +1,27 @@
+/**
+ * 前端密码加密工具
+ * 注意：这只是增加一层保护，真正的安全需要 HTTPS
+ */
+
+/**
+ * 使用 SHA-256 对密码进行哈希
+ * @param {string} password - 明文密码
+ * @returns {Promise<string>} - 返回十六进制哈希值
+ */
+export async function hashPassword(password) {
+  const encoder = new TextEncoder();
+  const data = encoder.encode(password);
+  const hashBuffer = await crypto.subtle.digest('SHA-256', data);
+  const hashArray = Array.from(new Uint8Array(hashBuffer));
+  return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
+}
+
+/**
+ * 为登录请求准备密码（双重哈希：SHA-256 + 服务器 bcrypt）
+ * @param {string} password - 明文密码
+ * @returns {Promise<string>} - 哈希后的密码
+ */
+export async function preparePassword(password) {
+  if (!password) return password;
+  return await hashPassword(password);
+}