refactor(backend): 将ApiUser模型重命名为Admin并更新相关引用

backend/check_table.js

@@ -0,0 +1,41 @@
+const { Sequelize, DataTypes } = require('sequelize');
+require('dotenv').config();
+
+// 数据库配置
+const sequelize = new Sequelize(
+  process.env.DB_NAME || 'niumall',
+  process.env.DB_USERNAME || 'root',
+  process.env.DB_PASSWORD || 'aiotAiot123!',
+  {
+    host: process.env.DB_HOST || '129.211.213.226',
+    port: process.env.DB_PORT || 9527,
+    dialect: 'mysql',
+    logging: console.log,
+    dialectOptions: {
+      connectTimeout: 60000
+    }
+  }
+);
+
+async function checkTableStructure() {
+  try {
+    console.log('Testing database connection...');
+    await sequelize.authenticate();
+    console.log('Database connection successful!');
+    
+    // 获取users表结构
+    console.log('Getting users table structure...');
+    const tableInfo = await sequelize.getQueryInterface().describeTable('users');
+    console.log('Users table structure:', tableInfo);
+    
+  } catch (error) {
+    console.error('Error:', error.message);
+    if (error.original) {
+      console.error('Original error:', error.original.message);
+    }
+  } finally {
+    await sequelize.close();
+  }
+}
+
+checkTableStructure();