修复微信头像获取与存储问题，确保所有登录入口优先使用微信用户真实头像

pages/index/index.js

@@ -296,7 +296,8 @@ Page({
         // 6. 创建用户信息
         const tempUserInfo = {
           nickName: userProfile ? userProfile.userInfo.nickName : '微信用户',
-          avatarUrl: userProfile ? userProfile.userInfo.avatarUrl : this.data.avatarUrl,
+          // 获取微信头像失败时使用微信默认头像，而不是本地头像
+          avatarUrl: userProfile ? userProfile.userInfo.avatarUrl : 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0',
           gender: userProfile ? userProfile.userInfo.gender : 0,
           country: userProfile ? userProfile.userInfo.country : '',
           province: userProfile ? userProfile.userInfo.province : '',

pages/profile/index.js

@@ -449,13 +449,14 @@ Page({
       const app = getApp()
       const existingUserInfo = app.globalData.userInfo || wx.getStorageSync('userInfo') || {}
       const userInfo = {
-        nickName: existingUserInfo.nickName || (userProfile ? userProfile.userInfo.nickName : '微信用户'),
-        avatarUrl: existingUserInfo.avatarUrl || (userProfile ? userProfile.userInfo.avatarUrl : 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0'),
-        gender: existingUserInfo.gender || (userProfile ? userProfile.userInfo.gender : 0),
-        country: existingUserInfo.country || (userProfile ? userProfile.userInfo.country : ''),
-        province: existingUserInfo.province || (userProfile ? userProfile.userInfo.province : ''),
-        city: existingUserInfo.city || (userProfile ? userProfile.userInfo.city : ''),
-        language: existingUserInfo.language || (userProfile ? userProfile.userInfo.language : 'zh_CN'),
+        // 优先使用最新获取的微信头像和昵称，如果没有获取到则使用本地存储的
+        nickName: (userProfile ? userProfile.userInfo.nickName : existingUserInfo.nickName) || '微信用户',
+        avatarUrl: (userProfile ? userProfile.userInfo.avatarUrl : existingUserInfo.avatarUrl) || 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0',
+        gender: (userProfile ? userProfile.userInfo.gender : existingUserInfo.gender) || 0,
+        country: (userProfile ? userProfile.userInfo.country : existingUserInfo.country) || '',
+        province: (userProfile ? userProfile.userInfo.province : existingUserInfo.province) || '',
+        city: (userProfile ? userProfile.userInfo.city : existingUserInfo.city) || '',
+        language: (userProfile ? userProfile.userInfo.language : existingUserInfo.language) || 'zh_CN',
         phoneNumber: phoneNumber
       }
       
@@ -555,11 +556,12 @@ Page({
           return;
         }
 
-        // 构造上传数据（包含所有必要字段，包括phoneNumber）
+        // 构造上传数据（包含所有必要字段，包括phoneNumber和头像URL）
         const uploadData = {
           userId: userId,
           openid: openid,
           nickName: userInfo.nickName,
+          avatarUrl: userInfo.avatarUrl, // 添加头像URL字段
           phoneNumber: userInfo.phoneNumber, // 添加phoneNumber字段，满足服务器要求
           type: type,
           timestamp: Date.now()

pages/seller/index.js

@@ -2373,8 +2373,9 @@ Page({
           isNewPhone: isNewPhone
         })
 
-        // 5. 创建临时用户信息并保存
-        const tempUserInfo = {
+        // 5. 获取用户微信头像和昵称
+        let userProfile = null;
+        let tempUserInfo = {
           nickName: '微信用户',
           avatarUrl: this.data.avatarUrl,
           gender: 0,
@@ -2383,6 +2384,32 @@ Page({
           city: '',
           language: 'zh_CN',
           phoneNumber: finalPhoneNumber
+        };
+        
+        try {
+          userProfile = await new Promise((resolve, reject) => {
+            wx.getUserProfile({
+              desc: '用于完善会员资料',
+              success: resolve,
+              fail: reject
+            });
+          });
+          console.log('获取用户信息成功:', userProfile);
+          
+          // 更新临时用户信息
+          tempUserInfo = {
+            nickName: userProfile.userInfo.nickName,
+            avatarUrl: userProfile.userInfo.avatarUrl,
+            gender: userProfile.userInfo.gender,
+            country: userProfile.userInfo.country,
+            province: userProfile.userInfo.province,
+            city: userProfile.userInfo.city,
+            language: userProfile.userInfo.language,
+            phoneNumber: finalPhoneNumber
+          };
+        } catch (err) {
+          console.warn('获取用户信息失败:', err);
+          // 如果获取失败，继续使用现有临时用户信息
         }
 
         const storedUserId = wx.getStorageSync('userId')