diff --git a/app/Endpoint/Api/Http/Controllers/Auth/MiniprogramController.php b/app/Endpoint/Api/Http/Controllers/Auth/MiniprogramController.php
index 45bbf739..34619a94 100644
--- a/app/Endpoint/Api/Http/Controllers/Auth/MiniprogramController.php
+++ b/app/Endpoint/Api/Http/Controllers/Auth/MiniprogramController.php
@@ -41,6 +41,9 @@ class MiniprogramController extends Controller
         $inviter = null;
         if ($request->filled('invite_code')) {
             $inviter = $this->findUserByCode($request->input('invite_code', ''));
+            if (!$inviter) {
+                throw new BizException('邀请人不存在');
+            }
         }
 
         try {