diff --git a/pages/profile/index.js b/pages/profile/index.js
index 83b8d22..c29ccce 100644
--- a/pages/profile/index.js
+++ b/pages/profile/index.js
@@ -779,7 +779,7 @@ Page({
 
               // 构造上传的数据，包含authorized_region字段和必要的phoneNumber
               let userInfo = {
-                authorized_region: locationData // 直接传递对象，由API层处理JSON序列化
+                authorized_region: JSON.stringify(locationData) // 直接在前端转换为JSON字符串，确保数据格式正确
               };
 
               // 确保包含phoneNumber字段（服务器接口要求）
@@ -817,7 +817,13 @@ Page({
               }
 
               console.log('位置上传前检查openid:', openid);
-              console.log('准备上传的位置数据:', userInfo);
+              console.log('位置数据对象:', locationData);
+              console.log('位置数据类型:', typeof locationData);
+              console.log('是否有经纬度:', locationData.latitude && locationData.longitude);
+              console.log('准备上传的完整数据:', {
+                ...userInfo,
+                openid: openid
+              });
 
               // 调用API上传位置数据
               const api = require('../../utils/api.js');
diff --git a/server-example/server-mysql.js b/server-example/server-mysql.js
index 8093f3b..47f3768 100644
--- a/server-example/server-mysql.js
+++ b/server-example/server-mysql.js
@@ -1212,20 +1212,41 @@ app.post('/api/user/upload', async (req, res) => {
       where: { openid: userData.openid }
     });
 
+    // 详细日志记录收到的位置数据
+    console.log('处理位置数据前:', {
+      authorized_region: userData.authorized_region,
+      type: typeof userData.authorized_region,
+      isObject: typeof userData.authorized_region === 'object',
+      hasLatLng: userData.authorized_region && (userData.authorized_region.latitude || userData.authorized_region.longitude)
+    });
+
     if (user) {
       // 更新用户信息，确保authorized_region字段正确处理
       const updateData = { ...userData, updated_at: getBeijingTime() };
-      
-      // 特别处理authorized_region字段，如果是对象则转换为JSON字符串
+
+      // 特别处理authorized_region字段，只有当它是对象时才转换为JSON字符串
       if (updateData.authorized_region && typeof updateData.authorized_region === 'object') {
         updateData.authorized_region = JSON.stringify(updateData.authorized_region);
+      } else if (updateData.authorized_region === null || updateData.authorized_region === undefined) {
+        // 如果是null或undefined，设置为空字符串
+        updateData.authorized_region = '';
+      } else if (typeof updateData.authorized_region === 'string' && updateData.authorized_region.trim() === '') {
+        // 如果是空字符串，保持为空字符串
+        updateData.authorized_region = '';
+      } else if (typeof updateData.authorized_region === 'string') {
+        // 如果已经是字符串，保持不变
+        console.log('authorized_region已经是字符串，无需转换:', updateData.authorized_region);
       }
-      
+
+      console.log('更新用户数据:', { authorized_region: updateData.authorized_region });
+
       await User.update(updateData, {
         where: { openid: userData.openid }
       });
       user = await User.findOne({ where: { openid: userData.openid } });
 
+      console.log('更新后用户数据:', { authorized_region: user.authorized_region });
+
       // 使用统一的关联记录创建函数
       await createUserAssociations(user);
     } else {
@@ -1236,14 +1257,27 @@ app.post('/api/user/upload', async (req, res) => {
         created_at: getBeijingTime(),
         updated_at: getBeijingTime()
       };
-      
-      // 特别处理authorized_region字段，如果是对象则转换为JSON字符串
+
+      // 特别处理authorized_region字段，只有当它是对象时才转换为JSON字符串
       if (createData.authorized_region && typeof createData.authorized_region === 'object') {
         createData.authorized_region = JSON.stringify(createData.authorized_region);
+      } else if (createData.authorized_region === null || createData.authorized_region === undefined) {
+        // 如果是null或undefined，设置为空字符串
+        createData.authorized_region = '';
+      } else if (typeof createData.authorized_region === 'string' && createData.authorized_region.trim() === '') {
+        // 如果是空字符串，保持为空字符串
+        createData.authorized_region = '';
+      } else if (typeof createData.authorized_region === 'string') {
+        // 如果已经是字符串，保持不变
+        console.log('authorized_region已经是字符串，无需转换:', createData.authorized_region);
       }
-      
+
+      console.log('创建用户数据:', { authorized_region: createData.authorized_region });
+
       user = await User.create(createData);
 
+      console.log('创建后用户数据:', { authorized_region: user.authorized_region });
+
       // 使用统一的关联记录创建函数
       await createUserAssociations(user);
     }