diff --git a/app.py b/app.py
index be2fbb22..97d0563c 100755
--- a/app.py
+++ b/app.py
@@ -2677,8 +2677,19 @@ def wechat_callback():
     state = request.args.get('state')
     error = request.args.get('error')
 
-    # 错误处理
-    if error or not code or not state:
+    # 错误处理：用户拒绝授权
+    if error:
+        if state in wechat_qr_sessions:
+            wechat_qr_sessions[state]['status'] = 'auth_denied'
+            wechat_qr_sessions[state]['error'] = '用户拒绝授权'
+            print(f"❌ 用户拒绝授权: state={state}")
+        return redirect('/auth/signin?error=wechat_auth_denied')
+
+    # 参数验证
+    if not code or not state:
+        if state in wechat_qr_sessions:
+            wechat_qr_sessions[state]['status'] = 'auth_failed'
+            wechat_qr_sessions[state]['error'] = '授权参数缺失'
         return redirect('/auth/signin?error=wechat_auth_failed')
 
     # 验证state
@@ -2693,14 +2704,28 @@ def wechat_callback():
         return redirect('/auth/signin?error=session_expired')
 
     try:
-        # 获取access_token
+        # 步骤1: 用户已扫码并授权（微信回调过来说明用户已完成扫码+授权）
+        session_data['status'] = 'scanned'
+        print(f"✅ 微信扫码回调: state={state}, code={code[:10]}...")
+
+        # 步骤2: 获取access_token
         token_data = get_wechat_access_token(code)
         if not token_data:
+            session_data['status'] = 'auth_failed'
+            session_data['error'] = '获取访问令牌失败'
+            print(f"❌ 获取微信access_token失败: state={state}")
             return redirect('/auth/signin?error=token_failed')
 
-        # 获取用户信息
+        # 步骤3: Token获取成功，标记为已授权
+        session_data['status'] = 'authorized'
+        print(f"✅ 微信授权成功: openid={token_data['openid']}")
+
+        # 步骤4: 获取用户信息
         user_info = get_wechat_userinfo(token_data['access_token'], token_data['openid'])
         if not user_info:
+            session_data['status'] = 'auth_failed'
+            session_data['error'] = '获取用户信息失败'
+            print(f"❌ 获取微信用户信息失败: openid={token_data['openid']}")
             return redirect('/auth/signin?error=userinfo_failed')
 
         # 查找或创建用户 / 或处理绑定
@@ -2808,7 +2833,15 @@ def wechat_callback():
 
     except Exception as e:
         print(f"❌ 微信登录失败: {e}")
+        import traceback
+        traceback.print_exc()
         db.session.rollback()
+
+        # 更新session状态为失败
+        if state in wechat_qr_sessions:
+            wechat_qr_sessions[state]['status'] = 'auth_failed'
+            wechat_qr_sessions[state]['error'] = str(e)
+
         return redirect('/auth/signin?error=login_failed')
 
 
diff --git a/src/components/Auth/WechatRegister.js b/src/components/Auth/WechatRegister.js
index 67f81447..3b1e2076 100644
--- a/src/components/Auth/WechatRegister.js
+++ b/src/components/Auth/WechatRegister.js
@@ -33,6 +33,8 @@ const getStatusColor = (status) => {
         case WECHAT_STATUS.EXPIRED: return "orange.600";      // ✅ 橙色文字
         case WECHAT_STATUS.LOGIN_SUCCESS: return "green.600"; // ✅ 绿色文字
         case WECHAT_STATUS.REGISTER_SUCCESS: return "green.600";
+        case WECHAT_STATUS.AUTH_DENIED: return "red.600";     // ✅ 红色文字
+        case WECHAT_STATUS.AUTH_FAILED: return "red.600";     // ✅ 红色文字
         default: return "gray.600";
     }
 };
@@ -194,6 +196,33 @@ export default function WechatRegister() {
                     });
                 }
             }
+            // 处理用户拒绝授权
+            else if (status === WECHAT_STATUS.AUTH_DENIED) {
+                clearTimers();
+                if (isMountedRef.current) {
+                    toast({
+                        title: "授权已取消",
+                        description: "您已取消微信授权登录",
+                        status: "warning",
+                        duration: 3000,
+                        isClosable: true,
+                    });
+                }
+            }
+            // 处理授权失败
+            else if (status === WECHAT_STATUS.AUTH_FAILED) {
+                clearTimers();
+                if (isMountedRef.current) {
+                    const errorMsg = response.error || "授权过程出现错误";
+                    toast({
+                        title: "授权失败",
+                        description: errorMsg,
+                        status: "error",
+                        duration: 5000,
+                        isClosable: true,
+                    });
+                }
+            }
         } catch (error) {
             logger.error('WechatRegister', 'checkWechatStatus', error, { sessionId: wechatSessionId });
             // 轮询过程中的错误不显示给用户，避免频繁提示
diff --git a/src/services/authService.js b/src/services/authService.js
index 53c6ad46..48f95004 100644
--- a/src/services/authService.js
+++ b/src/services/authService.js
@@ -147,6 +147,8 @@ export const WECHAT_STATUS = {
     LOGIN_SUCCESS: 'login_success',
     REGISTER_SUCCESS: 'register_success',
     EXPIRED: 'expired',
+    AUTH_DENIED: 'auth_denied',      // 用户拒绝授权
+    AUTH_FAILED: 'auth_failed',      // 授权失败
 };
 
 /**
@@ -157,6 +159,8 @@ export const STATUS_MESSAGES = {
     [WECHAT_STATUS.SCANNED]: '扫码成功，请在手机上确认',
     [WECHAT_STATUS.AUTHORIZED]: '授权成功，正在登录...',
     [WECHAT_STATUS.EXPIRED]: '二维码已过期',
+    [WECHAT_STATUS.AUTH_DENIED]: '用户取消授权',
+    [WECHAT_STATUS.AUTH_FAILED]: '授权失败，请重试',
 };
 
 export default authService;