diff --git a/app.py b/app.py
index 7f8ac1ae..c10a6a8d 100755
--- a/app.py
+++ b/app.py
@@ -345,6 +345,9 @@ WECHAT_JSAPI_TICKET_PREFIX = "wechat:jsapi_ticket:"
 # 微信回调地址
 WECHAT_REDIRECT_URI = 'https://api.valuefrontier.cn/api/auth/wechat/callback'
 
+# 前端域名（用于登录成功后重定向）
+FRONTEND_URL = 'https://valuefrontier.cn'
+
 # 邮件服务配置（QQ企业邮箱）
 MAIL_SERVER = 'smtp.exmail.qq.com'
 MAIL_PORT = 465
@@ -2976,13 +2979,13 @@ def alipay_payment_return():
 
         if out_trade_no:
             # 重定向到前端支付结果页面
-            return redirect(f'/pricing?payment_return=alipay&order_no={out_trade_no}')
+            return redirect(f'{FRONTEND_URL}/pricing?payment_return=alipay&order_no={out_trade_no}')
         else:
-            return redirect('/pricing?payment_return=alipay&error=missing_order')
+            return redirect(f'{FRONTEND_URL}/pricing?payment_return=alipay&error=missing_order')
 
     except Exception as e:
         print(f"❌ 支付宝同步返回处理失败: {e}")
-        return redirect('/pricing?payment_return=alipay&error=exception')
+        return redirect(f'{FRONTEND_URL}/pricing?payment_return=alipay&error=exception')
 
 
 @app.route('/api/payment/alipay/order/<order_id>/status', methods=['GET'])
@@ -4510,18 +4513,18 @@ def wechat_callback():
         if state and wechat_session_exists(state):
             update_wechat_session(state, {'status': 'auth_denied', 'error': '用户拒绝授权'})
             print(f"❌ 用户拒绝授权: state={state}")
-        return redirect('/home?error=wechat_auth_denied')
+        return redirect(f'{FRONTEND_URL}/home?error=wechat_auth_denied')
 
     # 参数验证
     if not code or not state:
         if state and wechat_session_exists(state):
             update_wechat_session(state, {'status': 'auth_failed', 'error': '授权参数缺失'})
-        return redirect('/home?error=wechat_auth_failed')
+        return redirect(f'{FRONTEND_URL}/home?error=wechat_auth_failed')
 
     # 从 Redis 获取 session（自动处理过期）
     session_data = get_wechat_session(state)
     if not session_data:
-        return redirect('/home?error=session_expired')
+        return redirect(f'{FRONTEND_URL}/home?error=session_expired')
 
     try:
         # 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）
@@ -4544,7 +4547,7 @@ def wechat_callback():
         if not token_data:
             update_wechat_session(state, {'status': 'auth_failed', 'error': '获取访问令牌失败'})
             print(f"❌ 获取微信access_token失败: state={state}")
-            return redirect('/home?error=token_failed')
+            return redirect(f'{FRONTEND_URL}/home?error=token_failed')
 
         # 步骤3: Token获取成功，标记为已授权
         update_wechat_session(state, {'status': 'authorized'})
@@ -4555,7 +4558,7 @@ def wechat_callback():
         if not user_info:
             update_wechat_session(state, {'status': 'auth_failed', '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('/home?error=userinfo_failed')
+            return redirect(f'{FRONTEND_URL}/home?error=userinfo_failed')
 
         # 查找或创建用户 / 或处理绑定
         openid = token_data['openid']
@@ -4566,11 +4569,11 @@ def wechat_callback():
             try:
                 target_user_id = session.get('user_id') or session_data.get('bind_user_id')
                 if not target_user_id:
-                    return redirect('/home?error=bind_no_user')
+                    return redirect(f'{FRONTEND_URL}/home?error=bind_no_user')
 
                 target_user = User.query.get(target_user_id)
                 if not target_user:
-                    return redirect('/home?error=bind_user_missing')
+                    return redirect(f'{FRONTEND_URL}/home?error=bind_user_missing')
 
                 # 检查该微信是否已被其他账户绑定
                 existing = None
@@ -4581,7 +4584,7 @@ def wechat_callback():
 
                 if existing and existing.id != target_user.id:
                     update_wechat_session(state, {'status': 'bind_conflict'})
-                    return redirect('/home?bind=conflict')
+                    return redirect(f'{FRONTEND_URL}/home?bind=conflict')
 
                 # 执行绑定
                 target_user.bind_wechat(openid, unionid, wechat_info=user_info)
@@ -4589,12 +4592,12 @@ def wechat_callback():
                 # 标记绑定完成，供前端轮询
                 update_wechat_session(state, {'status': 'bind_ready', 'user_info': {'user_id': target_user.id}})
 
-                return redirect('/home?bind=success')
+                return redirect(f'{FRONTEND_URL}/home?bind=success')
             except Exception as e:
                 print(f"❌ 微信绑定失败: {e}")
                 db.session.rollback()
                 update_wechat_session(state, {'status': 'bind_failed'})
-                return redirect('/home?bind=failed')
+                return redirect(f'{FRONTEND_URL}/home?bind=failed')
 
         user = None
         is_new_user = False
@@ -4615,7 +4618,7 @@ def wechat_callback():
                 'debug_nickname': user_info.get('nickname', '')[:10],
                 'debug_keys_in_userinfo': ','.join(user_info.keys()) if user_info else 'null',
             })
-            return redirect(f'/home?{debug_params}')
+            return redirect(f'{FRONTEND_URL}/home?{debug_params}')
 
         user = User.query.filter_by(wechat_union_id=unionid).first()
 
@@ -4697,7 +4700,7 @@ def wechat_callback():
             'is_new_user': '1' if is_new_user else '0',
         })
         print(f"✅ PC 微信登录成功，重定向到前端回调页面")
-        return redirect(f"/home/wechat-callback?{pc_redirect_params}")
+        return redirect(f"{FRONTEND_URL}/home/wechat-callback?{pc_redirect_params}")
 
     except Exception as e:
         print(f"❌ 微信登录失败: {e}")
@@ -4710,7 +4713,7 @@ def wechat_callback():
             update_wechat_session(state, {'status': 'auth_failed', 'error': str(e)})
 
         # ⚡ 重定向到首页并显示错误
-        return redirect('/home?error=wechat_login_failed')
+        return redirect(f'{FRONTEND_URL}/home?error=wechat_login_failed')
 
 
 @app.route('/api/auth/login/wechat', methods=['POST'])