diff --git a/server-example/update-product-contacts.js b/server-example/update-product-contacts.js
new file mode 100644
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+++ b/server-example/update-product-contacts.js
@@ -0,0 +1,143 @@
+// 更新商品联系人信息的数据库函数
+require('dotenv').config();
+const { Sequelize } = require('sequelize');
+
+// 创建wechat_app数据库连接
+const wechatAppSequelize = new Sequelize(
+  process.env.DB_DATABASE || 'wechat_app',
+  process.env.DB_USER || 'root',
+  process.env.DB_PASSWORD === undefined ? null : process.env.DB_PASSWORD,
+  {
+    host: process.env.DB_HOST || 'localhost',
+    port: process.env.DB_PORT || 3306,
+    dialect: 'mysql',
+    define: {
+      timestamps: false
+    }
+  }
+);
+
+// 创建userlogin数据库连接
+const userLoginSequelize = new Sequelize(
+  'userlogin',
+  process.env.DB_USER || 'root',
+  process.env.DB_PASSWORD === undefined ? null : process.env.DB_PASSWORD,
+  {
+    host: process.env.DB_HOST || 'localhost',
+    port: process.env.DB_PORT || 3306,
+    dialect: 'mysql',
+    define: {
+      timestamps: false
+    }
+  }
+);
+
+// 主函数：更新商品联系人信息
+async function updateProductContacts() {
+  try {
+    // 测试数据库连接
+    await Promise.all([
+      wechatAppSequelize.authenticate(),
+      userLoginSequelize.authenticate()
+    ]);
+    console.log('✅ 数据库连接成功');
+    
+    // 1. 查询wechat_app数据库中products表status为published且product_contact为null的记录
+    console.log('\n1. 查询待更新的商品...');
+    const products = await wechatAppSequelize.query(
+      'SELECT productId, productName FROM products WHERE status = ? AND product_contact IS NULL',
+      {
+        replacements: ['published'],
+        type: wechatAppSequelize.QueryTypes.SELECT
+      }
+    );
+    
+    console.log(`📋 找到 ${products.length} 个待更新联系人信息的商品`);
+    
+    if (products.length === 0) {
+      console.log('✅ 所有商品都已更新联系人信息，无需操作');
+      return;
+    }
+    
+    // 2. 查询userlogin库中managers表role为"销售员"的userName
+    console.log('\n2. 查询所有销售员...');
+    const managers = await userLoginSequelize.query(
+      'SELECT userName FROM managers WHERE role = ?',
+      {
+        replacements: ['销售员'],
+        type: userLoginSequelize.QueryTypes.SELECT
+      }
+    );
+    
+    const salesmanUserNames = managers.map(m => m.userName);
+    console.log(`👥 找到 ${salesmanUserNames.length} 名销售员`);
+    
+    if (salesmanUserNames.length === 0) {
+      console.log('❌ 没有找到销售员，无法更新商品联系人信息');
+      return;
+    }
+    
+    // 3. 在wechat_app库中查询这些销售员的nickName和phoneNumber
+    console.log('\n3. 查询销售员的联系方式...');
+    const salesmenContacts = await wechatAppSequelize.query(
+      'SELECT nickName, phoneNumber FROM users WHERE nickName IN (?)',
+      {
+        replacements: [salesmanUserNames],
+        type: wechatAppSequelize.QueryTypes.SELECT
+      }
+    );
+    
+    console.log(`📞 找到 ${salesmenContacts.length} 名有联系方式的销售员`);
+    
+    if (salesmenContacts.length === 0) {
+      console.log('❌ 没有找到有联系方式的销售员，无法更新商品联系人信息');
+      return;
+    }
+    
+    // 4. 随机分配销售员到商品
+    console.log('\n4. 开始分配销售员到商品...');
+    let updatedCount = 0;
+    
+    for (const product of products) {
+      // 随机选择一个销售员
+      const randomIndex = Math.floor(Math.random() * salesmenContacts.length);
+      const selectedSalesman = salesmenContacts[randomIndex];
+      
+      // 更新商品的联系人信息
+      await wechatAppSequelize.query(
+        'UPDATE products SET product_contact = ?, contact_phone = ? WHERE productId = ?',
+        {
+          replacements: [
+            selectedSalesman.nickName,
+            selectedSalesman.phoneNumber,
+            product.productId
+          ],
+          type: wechatAppSequelize.QueryTypes.UPDATE
+        }
+      );
+      
+      console.log(`✅ 商品 ${product.productId} (${product.productName}) 已分配销售员: ${selectedSalesman.nickName} - ${selectedSalesman.phoneNumber}`);
+      updatedCount++;
+    }
+    
+    console.log(`\n🎉 更新完成！共更新了 ${updatedCount} 个商品的联系人信息`);
+    
+  } catch (error) {
+    console.error('❌ 操作失败:', error.message);
+    console.error('📝 错误详情:', error);
+  } finally {
+    // 关闭数据库连接
+    await Promise.all([
+      wechatAppSequelize.close(),
+      userLoginSequelize.close()
+    ]);
+  }
+}
+
+// 导出函数供其他模块使用
+module.exports = updateProductContacts;
+
+// 如果直接运行此文件，则执行函数
+if (require.main === module) {
+  updateProductContacts();
+}
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