diff --git a/server/github_app/router.py b/server/github_app/router.py
index 64a5b4e3..a2a35c1e 100644
--- a/server/github_app/router.py
+++ b/server/github_app/router.py
@@ -85,12 +85,12 @@ def github_app_callback(code: str, installation_id: str, setup_action: str):
                 repository_config_dao.create(repository_config)
 
             return RedirectResponse(
-                url=f"{WEB_URL}/github/installed/{message}", status_code=302
+                url=f"{WEB_URL}/github/installed?message={message}", status_code=302
             )
     # ignore others setup_action,such as deleted our app
     return {
         "success": False,
-        "message": f"Invalid setup_action value {setup_action}",
+        "message": f"Invalid setup_action value {setup_action},please delete the app first then re-install the app.",
     }