diff --git a/pages/chat/index.js b/pages/chat/index.js
index 626eb46..d2d72d5 100644
--- a/pages/chat/index.js
+++ b/pages/chat/index.js
@@ -447,6 +447,24 @@ Page({
     });
   },
 
+  // 聊天项长按事件
+  onChatItemLongPress: function (e) {
+    const index = e.currentTarget.dataset.index;
+    const chatItem = this.data.filteredChatList[index];
+    
+    // 显示删除确认对话框
+    wx.showModal({
+      title: '删除聊天',
+      content: '确定要删除这条聊天记录吗？',
+      success: (res) => {
+        if (res.confirm) {
+          // 调用删除函数
+          this.deleteChatMessage(chatItem, index);
+        }
+      }
+    });
+  },
+
   // 聊天项点击事件
   onChatItemTap: function (e) {
     const index = e.currentTarget.dataset.index;
@@ -571,6 +589,87 @@ Page({
     }
   },
 
+  // 删除聊天消息
+  deleteChatMessage: function (chatItem, index) {
+    // 获取用户手机号
+    const users = wx.getStorageSync('users') || {};
+    const userId = wx.getStorageSync('userId');
+    let userPhone = null;
+    
+    // 尝试从users中获取手机号（支持不同的键名）
+    if (userId && users[userId]) {
+      if (users[userId].phoneNumber) {
+        userPhone = users[userId].phoneNumber;
+      } else if (users[userId].phone) {
+        userPhone = users[userId].phone;
+      }
+    } 
+    
+    // 如果还没有获取到，尝试从全局用户信息获取
+    if (!userPhone) {
+      const userInfo = wx.getStorageSync('userInfo');
+      if (userInfo) {
+        if (userInfo.phoneNumber) {
+          userPhone = userInfo.phoneNumber;
+        } else if (userInfo.phone) {
+          userPhone = userInfo.phone;
+        }
+      }
+    }
+    
+    // 如果还没有获取到，尝试从直接存储获取（支持不同的键名）
+    if (!userPhone) {
+      if (wx.getStorageSync('phoneNumber')) {
+        userPhone = wx.getStorageSync('phoneNumber');
+      } else if (wx.getStorageSync('phone')) {
+        userPhone = wx.getStorageSync('phone');
+      }
+    }
+    
+    // 如果没有手机号，显示错误提示
+    if (!userPhone) {
+      wx.showToast({
+        title: '请先登录并绑定手机号',
+        icon: 'none'
+      });
+      return;
+    }
+    
+    // 调用API删除消息
+    // 使用当前用户的电话号码作为userPhone，对方的电话号码作为managerPhone
+    API.deleteChatMessage(userPhone, chatItem.manager_phone).then(() => {
+      // 更新本地聊天列表数据
+      // 1. 更新filteredChatList
+      const updatedFilteredChatList = [...this.data.filteredChatList];
+      updatedFilteredChatList.splice(index, 1);
+      
+      // 2. 更新chatList
+      const updatedChatList = [...this.data.chatList];
+      const originalIndex = updatedChatList.findIndex(item => item.manager_phone === chatItem.manager_phone);
+      if (originalIndex !== -1) {
+        updatedChatList.splice(originalIndex, 1);
+      }
+      
+      // 3. 更新页面数据
+      this.setData({
+        filteredChatList: updatedFilteredChatList,
+        chatList: updatedChatList
+      });
+      
+      // 显示删除成功提示
+      wx.showToast({
+        title: '删除成功',
+        icon: 'success'
+      });
+    }).catch(error => {
+      console.error('删除聊天消息失败:', error);
+      wx.showToast({
+        title: error.message || '删除失败，请稍后重试',
+        icon: 'none'
+      });
+    });
+  },
+
   // 格式化时间显示
   formatDateTime: function (dateString) {
     if (!dateString) return '刚刚';
diff --git a/pages/chat/index.wxml b/pages/chat/index.wxml
index fbac199..f0bea36 100644
--- a/pages/chat/index.wxml
+++ b/pages/chat/index.wxml
@@ -21,6 +21,7 @@
         data-id="{{item.id}}"
         data-index="{{index}}"
         bindtap="onChatItemTap"
+        bindlongpress="onChatItemLongPress"
       >
         <!-- 头像 -->
         <view class="avatar-container">
diff --git a/server-example/server-mysql.js b/server-example/server-mysql.js
index 7036c57..3709521 100644
--- a/server-example/server-mysql.js
+++ b/server-example/server-mysql.js
@@ -8081,6 +8081,43 @@ app.post('/api/chat/list', async (req, res) => {
   }
 });
 
+// 新增：删除聊天记录
+app.post('/api/chat/delete', async (req, res) => {
+  try {
+    const { user_phone, manager_phone } = req.body;
+    console.log('删除聊天记录 - user_phone:', user_phone, 'manager_phone:', manager_phone);
+    
+    if (!user_phone || !manager_phone) {
+      return res.status(400).json({
+        success: false,
+        code: 400,
+        message: '用户手机号和业务员手机号不能为空'
+      });
+    }
+    
+    // 删除chat_list表中的记录
+    const deleteResult = await sequelize.query(
+      'DELETE FROM chat_list WHERE user_phone = ? AND manager_phone = ?',
+      { replacements: [user_phone, manager_phone], type: sequelize.QueryTypes.DELETE }
+    );
+    
+    console.log('删除聊天记录结果:', deleteResult);
+    
+    return res.status(200).json({
+      success: true,
+      code: 200,
+      message: '删除成功'
+    });
+  } catch (error) {
+    console.error('删除聊天记录时出错:', error);
+    return res.status(500).json({
+      success: false,
+      code: 500,
+      message: '删除失败: ' + error.message
+    });
+  }
+});
+
 // 新增：添加聊天记录到chat_list表
 app.post('/api/chat/add', async (req, res) => {
   try {
diff --git a/utils/api.js b/utils/api.js
index e130782..1355c96 100644
--- a/utils/api.js
+++ b/utils/api.js
@@ -3666,7 +3666,32 @@ module.exports = {
     });
   },
 
-  // 获取聊天列表数据
+  // 删除聊天消息（单向删除，删除数据库对应的两个手机号码的数据）
+  deleteChatMessage: function (userPhone, managerPhone) {
+    console.log('API.deleteChatMessage - userPhone:', userPhone, 'managerPhone:', managerPhone);
+    return new Promise((resolve, reject) => {
+      // 验证必要参数
+      if (!userPhone || !managerPhone) {
+        reject(new Error('发送者电话和接收者电话不能为空'));
+        return;
+      }
+      
+      const requestData = {
+        user_phone: userPhone,
+        manager_phone: managerPhone
+      };
+      
+      request('/api/chat/delete', 'POST', requestData).then(res => {
+        console.log('删除聊天消息成功:', res);
+        resolve(res);
+      }).catch(error => {
+        console.error('删除聊天消息失败:', error);
+        reject(new Error(error.message || '删除聊天消息失败，请稍后重试'));
+      });
+    });
+  },
+
+  // 获取聊天列表
   getChatList: function (userPhone) {
     console.log('API.getChatList - userPhone:', userPhone);
     return new Promise((resolve, reject) => {