refactor: 集中管理配置常量并优化样式一致性

backend/.env.example

@@ -56,4 +56,70 @@ JWT_SECRET=your-strong-secret-key-minimum-32-characters-change-in-production
 
 # Token 过期时间（格式：数字+单位，如 24h, 2h, 30m）
 # 建议：开发环境 24h，生产环境 2h 或更短
-TOKEN_EXPIRY=24h
+TOKEN_EXPIRY=24h
+
+# 密码加密强度（bcrypt salt rounds）
+# 默认值：10，范围：4-12，值越大越安全但计算越慢
+SALT_ROUNDS=10
+
+# 登录失败锁定阈值
+# 连续登录失败超过此次数后锁定账户
+MAX_LOGIN_ATTEMPTS=5
+
+# 账户锁定时间（分钟）
+# 登录失败锁定后的解锁等待时间
+LOCK_TIME_MINUTES=30
+
+# 密码最小长度
+PASSWORD_MIN_LENGTH=6
+
+# 用户名长度限制
+USERNAME_MIN_LENGTH=3
+USERNAME_MAX_LENGTH=50
+
+# ==============================================
+# API 配置
+# ==============================================
+
+# API 请求超时时间（毫秒）
+API_TIMEOUT=30000
+
+# 数据库查询超时时间（毫秒）
+DB_QUERY_TIMEOUT=30000
+
+# ==============================================
+# 分页配置
+# ==============================================
+
+# 默认每页条数
+DEFAULT_PAGE_SIZE=10
+
+# 最大每页条数
+MAX_PAGE_SIZE=1000
+
+# ==============================================
+# 文件上传配置
+# ==============================================
+
+# 最大文件上传大小（MB）
+MAX_FILE_SIZE_MB=50
+
+# 最大头像上传大小（MB）
+MAX_AVATAR_SIZE_MB=5
+
+# ==============================================
+# 重试配置
+# ==============================================
+
+# 最大重试次数
+MAX_RETRIES=3
+
+# 重试延迟（毫秒）
+RETRY_DELAY=1000
+
+# ==============================================
+# 前端配置
+# ==============================================
+
+# 前端默认端口
+FRONTEND_PORT=3000

backend/config/constants.js

@@ -0,0 +1,39 @@
+/**
+ * 通用配置常量
+ * 集中管理分页、文件上传、重试等配置
+ */
+
+module.exports = {
+  PAGINATION: {
+    DEFAULT_PAGE_SIZE: parseInt(process.env.DEFAULT_PAGE_SIZE, 10) || 10,
+    MAX_PAGE_SIZE: parseInt(process.env.MAX_PAGE_SIZE, 10) || 1000,
+    PAGE_SIZE_OPTIONS: [10, 20, 30, 50, 100],
+  },
+  
+  FILE_UPLOAD: {
+    MAX_FILE_SIZE: (parseInt(process.env.MAX_FILE_SIZE_MB, 10) || 50) * 1024 * 1024,
+    MAX_AVATAR_SIZE: (parseInt(process.env.MAX_AVATAR_SIZE_MB, 10) || 5) * 1024 * 1024,
+    ALLOWED_IMAGE_TYPES: ['image/jpeg', 'image/png', 'image/gif', 'image/webp'],
+    ALLOWED_DOC_TYPES: [
+      'application/pdf',
+      'application/msword',
+      'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+      'application/vnd.ms-excel',
+      'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+    ],
+  },
+  
+  RETRY: {
+    MAX_RETRIES: parseInt(process.env.MAX_RETRIES, 10) || 3,
+    RETRY_DELAY: parseInt(process.env.RETRY_DELAY, 10) || 1000,
+  },
+  
+  TIMEOUT: {
+    API_TIMEOUT: parseInt(process.env.API_TIMEOUT, 10) || 30000,
+    DB_QUERY_TIMEOUT: parseInt(process.env.DB_QUERY_TIMEOUT, 10) || 30000,
+  },
+  
+  FRONTEND: {
+    DEFAULT_PORT: parseInt(process.env.FRONTEND_PORT, 10) || 3000,
+  },
+};

backend/config/index.js

@@ -0,0 +1,13 @@
+/**
+ * 配置统一导出
+ */
+
+const security = require('./security');
+const constants = require('./constants');
+
+module.exports = {
+  ...security,
+  ...constants,
+  security,
+  constants,
+};

backend/config/security.js

@@ -0,0 +1,19 @@
+/**
+ * 安全相关配置常量
+ * 集中管理密码加密、登录限制等安全配置
+ */
+
+module.exports = {
+  SALT_ROUNDS: parseInt(process.env.SALT_ROUNDS, 10) || 10,
+  
+  MAX_LOGIN_ATTEMPTS: parseInt(process.env.MAX_LOGIN_ATTEMPTS, 10) || 5,
+  
+  LOCK_TIME: (parseInt(process.env.LOCK_TIME_MINUTES, 10) || 30) * 60 * 1000,
+  
+  TOKEN_EXPIRY: process.env.TOKEN_EXPIRY || '24h',
+  
+  PASSWORD_MIN_LENGTH: parseInt(process.env.PASSWORD_MIN_LENGTH, 10) || 6,
+  
+  USERNAME_MIN_LENGTH: parseInt(process.env.USERNAME_MIN_LENGTH, 10) || 3,
+  USERNAME_MAX_LENGTH: parseInt(process.env.USERNAME_MAX_LENGTH, 10) || 50,
+};

backend/routes/auth.js

@@ -4,11 +4,10 @@ const User = require('../models/User');
 const Role = require('../models/Role');
 const UserRole = require('../models/UserRole');
 const { generateToken, authMiddleware } = require('../middleware/auth');
+const { SALT_ROUNDS, MAX_LOGIN_ATTEMPTS, PASSWORD_MIN_LENGTH, USERNAME_MIN_LENGTH, USERNAME_MAX_LENGTH } = require('../config');
 
 const router = express.Router();
 
-const SALT_ROUNDS = 10;
-
 const generateId = () => {
   return 'user_' + Date.now().toString(36) + Math.random().toString(36).substr(2, 9);
 };
@@ -24,17 +23,17 @@ router.post('/register', async (req, res) => {
       });
     }
 
-    if (username.length < 3 || username.length > 20) {
+    if (username.length < USERNAME_MIN_LENGTH || username.length > USERNAME_MAX_LENGTH) {
       return res.status(400).json({
         success: false,
-        message: '用户名长度必须在3-20个字符之间'
+        message: `用户名长度必须在${USERNAME_MIN_LENGTH}-${USERNAME_MAX_LENGTH}个字符之间`
       });
     }
 
-    if (password.length < 6) {
+    if (password.length < PASSWORD_MIN_LENGTH) {
       return res.status(400).json({
         success: false,
-        message: '密码长度不能少于6个字符'
+        message: `密码长度不能少于${PASSWORD_MIN_LENGTH}个字符`
       });
     }
 
@@ -175,7 +174,7 @@ router.post('/login', async (req, res) => {
     const isPasswordValid = await bcrypt.compare(password, user.password);
     if (!isPasswordValid) {
       user.loginCount = (user.loginCount || 0) + 1;
-      if (user.loginCount >= 5) {
+      if (user.loginCount >= MAX_LOGIN_ATTEMPTS) {
         user.status = 'locked';
       }
       await user.save();
@@ -309,10 +308,10 @@ router.put('/password', authMiddleware, async (req, res) => {
       });
     }
 
-    if (newPassword.length < 6) {
+    if (newPassword.length < PASSWORD_MIN_LENGTH) {
       return res.status(400).json({
         success: false,
-        message: '新密码长度不能少于6个字符'
+        message: `新密码长度不能少于${PASSWORD_MIN_LENGTH}个字符`
       });
     }
 

backend/routes/consumables.js

@@ -7,10 +7,11 @@ const Consumable = require('../models/Consumable');
 const ConsumableRecord = require('../models/ConsumableRecord');
 const ConsumableLog = require('../models/ConsumableLog');
 const ConsumableLogArchive = require('../models/ConsumableLogArchive');
+const { PAGINATION, RETRY } = require('../config');
 
 router.get('/', async (req, res) => {
   try {
-    const { keyword, category, status, page = 1, pageSize = 10 } = req.query;
+    const { keyword, category, status, page = 1, pageSize = PAGINATION.DEFAULT_PAGE_SIZE } = req.query;
     const offset = (page - 1) * pageSize;
     
     const where = {};
@@ -281,10 +282,9 @@ router.get('/inout/records', async (req, res) => {
 });
 
 router.post('/quick-inout', async (req, res) => {
-  const MAX_RETRIES = 3;
   let attempt = 0;
 
-  while (attempt < MAX_RETRIES) {
+  while (attempt < RETRY.MAX_RETRIES) {
     const transaction = await sequelize.transaction();
     try {
       const { consumableId, type, quantity, operator, reason, notes, snList } = req.body;
@@ -348,7 +348,7 @@ router.post('/quick-inout', async (req, res) => {
       if (affectedRows === 0) {
         await transaction.rollback();
         attempt++;
-        if (attempt >= MAX_RETRIES) {
+        if (attempt >= RETRY.MAX_RETRIES) {
           return res.status(409).json({ error: '并发冲突，请稍后重试' });
         }
         continue;
@@ -397,7 +397,7 @@ router.post('/quick-inout', async (req, res) => {
       return;
     } catch (error) {
       await transaction.rollback();
-      if (attempt >= MAX_RETRIES - 1) {
+      if (attempt >= RETRY.MAX_RETRIES - 1) {
         return res.status(500).json({ error: error.message });
       }
       attempt++;
@@ -406,10 +406,9 @@ router.post('/quick-inout', async (req, res) => {
 });
 
 router.post('/inout', async (req, res) => {
-  const MAX_RETRIES = 3;
   let attempt = 0;
   
-  while (attempt < MAX_RETRIES) {
+  while (attempt < RETRY.MAX_RETRIES) {
     const transaction = await sequelize.transaction();
     try {
       const { consumableId, type, quantity, operator, reason, recipient, notes, snList } = req.body;
@@ -470,7 +469,7 @@ router.post('/inout', async (req, res) => {
       if (affectedRows === 0) {
         await transaction.rollback();
         attempt++;
-        if (attempt >= MAX_RETRIES) {
+        if (attempt >= RETRY.MAX_RETRIES) {
           return res.status(409).json({ error: '并发冲突，请稍后重试' });
         }
         continue;
@@ -520,7 +519,7 @@ router.post('/inout', async (req, res) => {
       return;
     } catch (error) {
       await transaction.rollback();
-      if (attempt >= MAX_RETRIES - 1) {
+      if (attempt >= RETRY.MAX_RETRIES - 1) {
         return res.status(500).json({ error: error.message });
       }
       attempt++;
@@ -529,10 +528,9 @@ router.post('/inout', async (req, res) => {
 });
 
 router.post('/adjust', async (req, res) => {
-  const MAX_RETRIES = 3;
   let attempt = 0;
   
-  while (attempt < MAX_RETRIES) {
+  while (attempt < RETRY.MAX_RETRIES) {
     const transaction = await sequelize.transaction();
     try {
       const { consumableId, adjustType, quantity, operator, reason, notes } = req.body;
@@ -582,7 +580,7 @@ router.post('/adjust', async (req, res) => {
       if (affectedRows === 0) {
         await transaction.rollback();
         attempt++;
-        if (attempt >= MAX_RETRIES) {
+        if (attempt >= RETRY.MAX_RETRIES) {
           return res.status(409).json({ error: '并发冲突，请稍后重试' });
         }
         continue;
@@ -619,7 +617,7 @@ router.post('/adjust', async (req, res) => {
       return;
     } catch (error) {
       await transaction.rollback();
-      if (attempt >= MAX_RETRIES - 1) {
+      if (attempt >= RETRY.MAX_RETRIES - 1) {
         return res.status(500).json({ error: error.message });
       }
       attempt++;

backend/routes/inventory.js

@@ -10,6 +10,7 @@ const Rack = require('../models/Rack');
 const Room = require('../models/Room');
 const User = require('../models/User');
 const { authMiddleware, authorize } = require('../middleware/auth');
+const { PAGINATION } = require('../config');
 
 InventoryTask.belongsTo(InventoryPlan, { foreignKey: 'planId', as: 'Plan' });
 InventoryPlan.hasMany(InventoryTask, { foreignKey: 'planId', as: 'Tasks' });
@@ -41,7 +42,7 @@ router.use(authMiddleware);
 
 router.get('/plans', async (req, res) => {
   try {
-    const { status, page = 1, pageSize = 10, keyword } = req.query;
+    const { status, page = 1, pageSize = PAGINATION.DEFAULT_PAGE_SIZE, keyword } = req.query;
     const offset = (page - 1) * pageSize;
     const where = {};
 

backend/routes/systemSettings.js

@@ -4,6 +4,7 @@ const fs = require('fs');
 const path = require('path');
 const { Op } = require('sequelize');
 const SystemSetting = require('../models/SystemSetting');
+const { FRONTEND } = require('../config');
 
 // 初始化默认系统设置
 const initDefaultSettings = async () => {
@@ -267,7 +268,7 @@ router.post('/reset/:key', async (req, res) => {
       idle_warning_time: 60,
       max_login_attempts: 5,
       maintenance_mode: false,
-      frontend_port: 3000,
+      frontend_port: FRONTEND.DEFAULT_PORT,
       primary_color: '#667eea',
       secondary_color: '#764ba2',
       compact_mode: false,
@@ -563,7 +564,7 @@ router.get('/system/info', async (req, res) => {
 router.get('/frontend/port', async (req, res) => {
   try {
     const portSetting = await SystemSetting.findByPk('frontend_port');
-    const port = portSetting ? JSON.parse(portSetting.settingValue) : 3000;
+    const port = portSetting ? JSON.parse(portSetting.settingValue) : FRONTEND.DEFAULT_PORT;
     res.json({ port });
   } catch (error) {
     res.status(500).json({ error: error.message });
@@ -577,7 +578,7 @@ router.post('/frontend/port/sync', async (req, res) => {
     const path = require('path');
 
     const portSetting = await SystemSetting.findByPk('frontend_port');
-    const port = portSetting ? JSON.parse(portSetting.settingValue) : 3000;
+    const port = portSetting ? JSON.parse(portSetting.settingValue) : FRONTEND.DEFAULT_PORT;
 
     // 写入前端配置文件
     const frontendDir = path.join(__dirname, '../../frontend');

backend/routes/users.js

@@ -6,11 +6,10 @@ const User = require('../models/User');
 const Role = require('../models/Role');
 const UserRole = require('../models/UserRole');
 const { authMiddleware } = require('../middleware/auth');
+const { SALT_ROUNDS, PASSWORD_MIN_LENGTH, FILE_UPLOAD, PAGINATION } = require('../config');
 
 const router = express.Router();
 
-const SALT_ROUNDS = 10;
-
 const generateId = () => {
   return 'user_' + Date.now().toString(36) + Math.random().toString(36).substr(2, 9);
 };
@@ -37,9 +36,9 @@ const { Op } = require('sequelize');
 
 router.get('/', authMiddleware, async (req, res) => {
   try {
-    const { page = 1, pageSize = 10, username, status, realName } = req.query;
+    const { page = 1, pageSize = PAGINATION.DEFAULT_PAGE_SIZE, username, status, realName } = req.query;
     const offset = (parseInt(page) - 1) * parseInt(pageSize);
-    const limit = parseInt(pageSize);
+    const limit = Math.min(parseInt(pageSize), PAGINATION.MAX_PAGE_SIZE);
 
     const where = getWhereClause({ username, status, realName });
 
@@ -256,7 +255,7 @@ router.put('/:userId', authMiddleware, async (req, res) => {
     if (status !== undefined) user.status = status;
     if (remark !== undefined) user.remark = remark;
 
-    if (newPassword && newPassword.length >= 6) {
+    if (newPassword && newPassword.length >= PASSWORD_MIN_LENGTH) {
       user.password = await bcrypt.hash(newPassword, SALT_ROUNDS);
     }
 
@@ -303,10 +302,10 @@ router.put('/:userId/password', authMiddleware, async (req, res) => {
       });
     }
 
-    if (!newPassword || newPassword.length < 6) {
+    if (!newPassword || newPassword.length < PASSWORD_MIN_LENGTH) {
       return res.status(400).json({
         success: false,
-        message: '密码长度不能少于6个字符'
+        message: `密码长度不能少于${PASSWORD_MIN_LENGTH}个字符`
       });
     }
 
@@ -388,10 +387,10 @@ router.post('/:userId/avatar', authMiddleware, async (req, res) => {
       });
     }
 
-    if (avatarFile.size > 5 * 1024 * 1024) {
+    if (avatarFile.size > FILE_UPLOAD.MAX_AVATAR_SIZE) {
       return res.status(400).json({
         success: false,
-        message: '图片大小不能超过 5MB'
+        message: `图片大小不能超过 ${FILE_UPLOAD.MAX_AVATAR_SIZE / 1024 / 1024}MB`
       });
     }
 

backend/server.js

@@ -3,15 +3,14 @@ const express = require('express');
 const cors = require('cors');
 const fileUpload = require('express-fileupload');
 const { sequelize } = require('./db');
+const { FILE_UPLOAD } = require('./config');
 
-// 创建Express应用
 const app = express();
 const PORT = process.env.PORT || 8000;
 
-// 中间件
 app.use(cors());
 app.use(express.json());
-app.use(fileUpload({ limits: { fileSize: 50 * 1024 * 1024 } }));
+app.use(fileUpload({ limits: { fileSize: FILE_UPLOAD.MAX_FILE_SIZE } }));
 app.use('/temp', express.static('temp'));
 
 // 数据库连接已从db.js导入

frontend/.env.example

@@ -1,4 +1,18 @@
-# 用户空闲超时配置（毫秒）
+# ==============================================
+# API 配置
+# ==============================================
+
+# API 请求超时时间（毫秒）
+VITE_API_TIMEOUT=30000
+
+# API 基础路径
+VITE_API_BASE_URL=/api
+
+# ==============================================
+# 用户空闲超时配置
+# ==============================================
+
+# 用户空闲超时时间（毫秒）
 # 默认30分钟 = 30 * 60 * 1000 = 1800000
 VITE_IDLE_TIMEOUT=1800000
 

frontend/src/api/index.js

@@ -1,10 +1,9 @@
 import axios from 'axios';
-
-const API_BASE_URL = '/api';
+import { API_CONFIG } from '../config/api';
 
 const api = axios.create({
-  baseURL: API_BASE_URL,
-  timeout: 30000,
+  baseURL: API_CONFIG.baseURL,
+  timeout: API_CONFIG.timeout,
   headers: {
     'Content-Type': 'application/json',
   },

frontend/src/config/api.js

@@ -0,0 +1,25 @@
+/**
+ * API 相关配置
+ * 集中管理 API 超时、分页、防抖等配置
+ */
+
+export const API_CONFIG = {
+  timeout: parseInt(import.meta.env.VITE_API_TIMEOUT, 10) || 30000,
+  
+  baseURL: import.meta.env.VITE_API_BASE_URL || '/api',
+  
+  pagination: {
+    defaultPageSize: 10,
+    maxPageSize: 1000,
+    pageSizeOptions: [10, 20, 30, 50, 100],
+  },
+  
+  debounceDelay: 300,
+  
+  retry: {
+    maxRetries: 3,
+    retryDelay: 1000,
+  },
+};
+
+export default API_CONFIG;

frontend/src/config/theme.js

@@ -89,6 +89,26 @@ export const designTokens = {
     lg: '24px',
     xl: '32px',
   },
+  typography: {
+    xs: '12px',
+    sm: '13px',
+    base: '14px',
+    md: '16px',
+    lg: '18px',
+    xl: '20px',
+    '2xl': '24px',
+    '3xl': '32px',
+    '4xl': '40px',
+  },
+  zIndex: {
+    dropdown: 1000,
+    sticky: 1020,
+    fixed: 1030,
+    modalBackdrop: 1040,
+    modal: 1050,
+    popover: 1060,
+    tooltip: 1070,
+  },
 };
 
 export default designTokens;

frontend/src/hooks/useDebounce.js

@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import { API_CONFIG } from '../config/api';
 
 /**
  * 防抖 Hook
@@ -15,7 +16,7 @@ import { useState, useEffect } from 'react';
  *   fetchData(debouncedKeyword);
  * }, [debouncedKeyword]);
  */
-export function useDebounce(value, delay = 300) {
+export function useDebounce(value, delay = API_CONFIG.debounceDelay) {
   const [debouncedValue, setDebouncedValue] = useState(value);
 
   useEffect(() => {
@@ -44,7 +45,7 @@ export function useDebounce(value, delay = 300) {
  *
  * <Input onChange={e => debouncedSearch(e.target.value)} />
  */
-export function useDebouncedCallback(callback, delay = 300) {
+export function useDebouncedCallback(callback, delay = API_CONFIG.debounceDelay) {
   const [timeoutId, setTimeoutId] = useState(null);
 
   const debouncedFn = (...args) => {

frontend/src/pages/DeviceManagement.jsx

@@ -1620,7 +1620,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={modalHeaderStyle}>
+          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
             {editingDevice ? (
               <EditOutlined style={{ color: '#667eea' }} />
             ) : (
@@ -1635,7 +1635,11 @@ function DeviceManagement() {
         width={700}
         style={{ borderRadius: '16px' }}
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 50px 16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '24px' },
         }}
         className="device-modal"
@@ -1941,7 +1945,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={modalHeaderStyle}>
+          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
             <SettingOutlined style={{ color: '#667eea' }} />
             字段配置
           </div>
@@ -1951,7 +1955,11 @@ function DeviceManagement() {
         footer={null}
         width={600}
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '24px' },
         }}
       >
@@ -2036,7 +2044,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={modalHeaderStyle}>
+          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
             <UploadOutlined style={{ color: '#667eea' }} />
             导入设备
           </div>
@@ -2053,7 +2061,11 @@ function DeviceManagement() {
         width={650}
         destroyOnHidden
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '24px' },
         }}
       >
@@ -2369,7 +2381,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={{ display: 'flex', alignItems: 'center', gap: '8px', fontSize: '18px', fontWeight: 600 }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '8px', fontSize: '18px', fontWeight: 600, paddingRight: '32px' }}>
             <AppstoreOutlined style={{ color: '#667eea' }} />
             设备详情
           </div>
@@ -2434,7 +2446,11 @@ function DeviceManagement() {
         width={700}
         destroyOnHidden
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '0', overflow: 'auto' },
         }}
       >
@@ -2599,7 +2615,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={modalHeaderStyle}>
+          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
             <ReloadOutlined style={{ color: '#52c41a' }} />
             批量状态变更
           </div>
@@ -2637,7 +2653,11 @@ function DeviceManagement() {
         ]}
         destroyOnHidden
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '24px' },
         }}
       >
@@ -2664,7 +2684,7 @@ function DeviceManagement() {
 
       <Modal
         title={
-          <div style={modalHeaderStyle}>
+          <div style={{ ...modalHeaderStyle, paddingRight: '32px' }}>
             <ExportOutlined style={{ color: '#fa8c16' }} />
             导出设备数据
           </div>
@@ -2702,7 +2722,11 @@ function DeviceManagement() {
         ]}
         destroyOnHidden
         styles={{
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
           body: { padding: '24px' },
         }}
         width={600}

frontend/src/pages/RackManagement.jsx

@@ -755,6 +755,23 @@ function RackManagement() {
 
   return (
     <div style={containerStyle}>
+      <style>{`
+        .ant-modal-close {
+          top: 16px !important;
+          right: 16px !important;
+          width: 32px !important;
+          height: 32px !important;
+          line-height: 32px !important;
+        }
+        .ant-modal-close-x {
+          width: 32px !important;
+          height: 32px !important;
+          line-height: 32px !important;
+          display: flex !important;
+          align-items: center !important;
+          justify-content: center !important;
+        }
+      `}</style>
       <div style={headerStyle}>
         <div
           style={{
@@ -969,7 +986,7 @@ function RackManagement() {
 
       <Modal
         title={
-          <div style={{ display: 'flex', alignItems: 'center', gap: '10px' }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '10px', paddingRight: '32px' }}>
             <div
               style={{
                 width: '4px',
@@ -988,9 +1005,16 @@ function RackManagement() {
         destroyOnHidden
         styles={{
           body: { padding: '24px' },
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 50px 16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
         }}
         style={{ borderRadius: '16px' }}
+        classNames={{
+          header: 'modal-header-fix',
+        }}
       >
         <Form form={form} layout="vertical" onFinish={handleSubmit}>
           <Row gutter={16}>
@@ -1231,7 +1255,7 @@ function RackManagement() {
 
       <Modal
         title={
-          <div style={{ display: 'flex', alignItems: 'center', gap: '10px' }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '10px', paddingRight: '32px' }}>
             <div
               style={{
                 width: '4px',
@@ -1256,7 +1280,11 @@ function RackManagement() {
         destroyOnHidden
         styles={{
           body: { padding: '24px' },
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
         }}
         style={{ borderRadius: '16px' }}
       >

frontend/src/pages/RoomManagement.jsx

@@ -591,6 +591,23 @@ function RoomManagement() {
 
   return (
     <div style={containerStyle}>
+      <style>{`
+        .ant-modal-close {
+          top: 16px !important;
+          right: 16px !important;
+          width: 32px !important;
+          height: 32px !important;
+          line-height: 32px !important;
+        }
+        .ant-modal-close-x {
+          width: 32px !important;
+          height: 32px !important;
+          line-height: 32px !important;
+          display: flex !important;
+          align-items: center !important;
+          justify-content: center !important;
+        }
+      `}</style>
       <div style={headerStyle}>
         <div
           style={{
@@ -765,7 +782,7 @@ function RoomManagement() {
 
       <Modal
         title={
-          <div style={{ display: 'flex', alignItems: 'center', gap: '10px' }}>
+          <div style={{ display: 'flex', alignItems: 'center', gap: '10px', paddingRight: '32px' }}>
             <div
               style={{
                 width: '4px',
@@ -784,7 +801,11 @@ function RoomManagement() {
         destroyOnHidden
         styles={{
           body: { padding: '24px' },
-          header: { borderBottom: '1px solid #f0f0f0', padding: '16px 24px' },
+          header: {
+            borderBottom: '1px solid #f0f0f0',
+            padding: '16px 24px',
+            position: 'relative',
+          },
         }}
         style={{ borderRadius: '16px' }}
       >

frontend/src/styles/deviceManagementStyles.js

@@ -815,6 +815,24 @@ export const inputPlaceholders = {
 
 // CSS-in-JS 样式字符串生成函数
 export const generateGlobalStyles = tokens => `
+  /* Modal 关闭按钮通用修复 */
+  .ant-modal-close {
+    top: 16px !important;
+    right: 16px !important;
+    width: 32px !important;
+    height: 32px !important;
+    line-height: 32px !important;
+  }
+  
+  .ant-modal-close-x {
+    width: 32px !important;
+    height: 32px !important;
+    line-height: 32px !important;
+    display: flex !important;
+    align-items: center !important;
+    justify-content: center !important;
+  }
+  
   .device-modal .ant-modal-close {
     top: 16px;
     right: 24px;