diff --git a/yuthon_wechat/controllers/main.py b/yuthon_wechat/controllers/main.py
index 7a7f4541a..a48351355 100644
--- a/yuthon_wechat/controllers/main.py
+++ b/yuthon_wechat/controllers/main.py
@@ -309,7 +309,7 @@ class Home(http.Controller):
         try:
             frontend_base_url = 'https://phone.thtzjt.com'
             if code:
-                redirect_url = f"{frontend_base_url}/phone/WechatCallback?code={code}?v_route={v_route}"
+                redirect_url = f"{frontend_base_url}/phone/WechatCallback?code={code}&v_route={v_route}"
                 if state:
                     redirect_url += f"&state={state}"
                 _logger.info(f"手机端OAuth回调，重定向到: {redirect_url}")