Revert commits 5170c0a..4e8e8b8

This reverts 3 commit(s) from 5170c0a to 4e8e8b8.

Reverted commits:
4e8e8b8 feat: 拉取最新仓库代码
307528b feat: 拉取最新仓库代码
5170c0a feat: 拉取最新仓库代码

Co-authored-by: traeagent <traeagent@users.noreply.github.com>

backend/server.js

@@ -6,7 +6,7 @@ ensureJwtSecret();
 const express = require('express');
 const cors = require('cors');
 const fileUpload = require('express-fileupload');
-const { sequelize, dbDialect } = require('./db');
+const { sequelize } = require('./db');
 const { FILE_UPLOAD } = require('./config');
 const { generateId } = require('./utils/idGenerator');
 const logger = require('./utils/logger').module('Server');
@@ -96,12 +96,18 @@ async function syncBusinessModels() {
   const DeviceBusiness = require('./models/DeviceBusiness');
   const Warehouse = require('./models/Warehouse');
 
-  const alterOptions = dbDialect === 'mysql' ? { alter: true } : {};
-
-  await Business.sync(alterOptions);
-  await DeviceBusiness.sync(alterOptions);
-  await Warehouse.sync(alterOptions);
-  logger.info(`业务/设备关联/库房模型同步完成（${dbDialect}${dbDialect === 'mysql' ? ' alter mode' : ''}）`);
+  // 仅在开发环境使用 sync({ alter: true })，生产环境应使用 migrations
+  if (process.env.NODE_ENV !== 'production') {
+    await Business.sync({ alter: true });
+    await DeviceBusiness.sync({ alter: true });
+    await Warehouse.sync({ alter: true });
+    logger.info('业务/设备关联/库房模型同步完成（alter mode）');
+  } else {
+    await Business.sync();
+    await DeviceBusiness.sync();
+    await Warehouse.sync();
+    logger.info('业务/设备关联/库房模型同步完成（safe mode）');
+  }
 }
 
 async function initDefaultSystemSettings() {