diff --git a/pages/goods-detail/goods-detail.js b/pages/goods-detail/goods-detail.js
index 79662ed..1e8aedd 100644
--- a/pages/goods-detail/goods-detail.js
+++ b/pages/goods-detail/goods-detail.js
@@ -2939,6 +2939,42 @@ Page({
   onCompareClick: function () {
     console.log('用户点击了对比价格按钮，准备显示弹窗');
     
+    // 检查用户登录状态
+    const openid = wx.getStorageSync('openid');
+    const userId = wx.getStorageSync('userId');
+    
+    if (!openid || !userId) {
+      console.log('用户未登录，显示登录弹窗');
+      this.setData({
+        showOneKeyLoginModal: true
+      });
+      return;
+    }
+    
+    // 检查身份证信息
+    const userInfo = wx.getStorageSync('userInfo') || {};
+    const idcard1 = userInfo.idcard1;
+    const idcard2 = userInfo.idcard2;
+    
+    console.log('检查身份证信息:', { idcard1, idcard2 });
+    
+    if (!idcard1 || !idcard2) {
+      console.log('身份证信息不完整，跳转到认证页面');
+      wx.showToast({
+        title: '信息不完整，请先完成身份认证',
+        icon: 'none',
+        duration: 2000
+      });
+      
+      // 跳转到认证页面
+      setTimeout(() => {
+        wx.navigateTo({
+          url: '/pages/profile/authentication/index'
+        });
+      }, 1000);
+      return;
+    }
+    
     // 直接获取当前页面滚动位置
     wx.createSelectorQuery().selectViewport().scrollOffset(function(res) {
       console.log('记录当前滚动位置:', res.scrollTop);
diff --git a/pages/profile/authentication/index.js b/pages/profile/authentication/index.js
index 0e13117..878cadd 100644
--- a/pages/profile/authentication/index.js
+++ b/pages/profile/authentication/index.js
@@ -156,17 +156,32 @@ Page({
       return;
     }
 
-    wx.showLoading({ title: '正在上传文件...', mask: true });
+    wx.showLoading({ title: '正在提交认证信息...', mask: true });
 
     try {
-      // 上传身份证正面
-      const idcard1Url = await this.uploadFileToServer(this.data.idcard1.path, 'idCardFront');
-      // 上传身份证反面
-      const idcard2Url = await this.uploadFileToServer(this.data.idcard2.path, 'idCardBack');
-      // 上传营业执照
-      const businessLicenseUrl = await this.uploadFileToServer(this.data.businessLicenseFile.path, 'businessLicense');
+      let idcard1Url = this.data.idcard1?.path || this.data.idCardFront;
+      let idcard2Url = this.data.idcard2?.path || this.data.idCardBack;
+      let businessLicenseUrl = this.data.businessLicenseFile?.path || this.data.businessLicense;
 
-      console.log('所有文件上传完成');
+      // 检查是否是本地路径（需要上传）还是远程URL（直接使用）
+      const isLocalPath = (path) => path && (path.startsWith('http://') || path.startsWith('https://') || path.startsWith('wxfile://') || path.startsWith('cloud://'));
+
+      // 上传身份证正面（仅当是本地路径时）
+      if (this.data.idcard1?.path && !isLocalPath(this.data.idcard1.path)) {
+        idcard1Url = await this.uploadFileToServer(this.data.idcard1.path, 'idCardFront');
+      }
+
+      // 上传身份证反面（仅当是本地路径时）
+      if (this.data.idcard2?.path && !isLocalPath(this.data.idcard2.path)) {
+        idcard2Url = await this.uploadFileToServer(this.data.idcard2.path, 'idCardBack');
+      }
+
+      // 上传营业执照（仅当是本地路径时）
+      if (this.data.businessLicenseFile?.path && !isLocalPath(this.data.businessLicenseFile.path)) {
+        businessLicenseUrl = await this.uploadFileToServer(this.data.businessLicenseFile.path, 'businessLicense');
+      }
+
+      console.log('文件处理完成，正面:', idcard1Url, '反面:', idcard2Url, '营业执照:', businessLicenseUrl);
 
       // 准备提交数据
       const submitData = {
@@ -188,6 +203,19 @@ Page({
       console.log('认证提交结果:', result);
 
       if (result && result.success) {
+        // 更新本地存储的用户信息
+        const userInfo = wx.getStorageSync('userInfo') || {};
+        const updatedUserInfo = {
+          ...userInfo,
+          idcard1: idcard1Url,
+          idcard2: idcard2Url,
+          businesslicenseurl: businessLicenseUrl,
+          name: this.data.name,
+          idNumber: this.data.idNumber,
+          address: this.data.address
+        };
+        wx.setStorageSync('userInfo', updatedUserInfo);
+
         wx.hideLoading();
         wx.showToast({
           title: '认证成功',
@@ -234,7 +262,71 @@ Page({
    * 生命周期函数--监听页面显示
    */
   onShow() {
+    // 页面显示时加载已存在的认证信息
+    this.loadExistingAuthData();
+  },
 
+  /**
+   * 从服务器加载已存在的认证信息
+   */
+  loadExistingAuthData() {
+    const openid = wx.getStorageSync('openid');
+    const userId = wx.getStorageSync('userId');
+    
+    if (!openid || !userId) {
+      console.log('用户未登录，无法加载认证信息');
+      return;
+    }
+
+    console.log('开始加载用户认证信息，openid:', openid, 'userId:', userId);
+
+    // 调用API获取用户信息，包括认证数据
+    API.getUserInfo(openid).then(res => {
+      console.log('获取用户认证信息响应:', res);
+      
+      if (res && res.success && res.data) {
+        const userData = res.data;
+        console.log('用户认证数据:', userData);
+        
+        // 构建更新数据对象
+        const updateData = {
+          name: userData.name || '',
+          idNumber: userData.idNumber || userData.id_number || '',
+          address: userData.address || '',
+          validStart: userData.validStart || userData.valid_start || '',
+          validEnd: userData.validEnd || userData.valid_end || ''
+        };
+
+        // 处理身份证正面图片
+        if (userData.idcard1) {
+          updateData.idcard1 = { path: userData.idcard1 };
+          updateData.idCardFront = userData.idcard1;
+          console.log('已加载身份证正面:', userData.idcard1);
+        }
+
+        // 处理身份证反面图片
+        if (userData.idcard2) {
+          updateData.idcard2 = { path: userData.idcard2 };
+          updateData.idCardBack = userData.idcard2;
+          console.log('已加载身份证反面:', userData.idcard2);
+        }
+
+        // 处理营业执照图片
+        if (userData.businesslicenseurl) {
+          updateData.businessLicenseFile = { path: userData.businesslicenseurl };
+          updateData.businessLicense = userData.businesslicenseurl;
+          console.log('已加载营业执照:', userData.businesslicenseurl);
+        }
+
+        // 更新页面数据
+        this.setData(updateData);
+        console.log('认证信息加载完成，当前数据:', this.data);
+      } else {
+        console.log('未获取到用户认证信息或获取失败');
+      }
+    }).catch(err => {
+      console.error('加载用户认证信息失败:', err);
+    });
   },
 
   /**