diff --git a/src/CourseService/JsonRpcInterface/CourseServiceInterface.php b/src/CourseService/JsonRpcInterface/CourseServiceInterface.php
index 3ba18e1..732ab8c 100755
--- a/src/CourseService/JsonRpcInterface/CourseServiceInterface.php
+++ b/src/CourseService/JsonRpcInterface/CourseServiceInterface.php
@@ -83,7 +83,7 @@ interface CourseServiceInterface
      * @param string $inviteCode 领取码
      * @return void
      */
-    public function virfyInviteCode(int $courseId, int $userId, string $inviteCode);
+    public function virfyInviteCode(int $courseId, int $userId, string $inviteCode): array;
 
     /**
      * 搜索课程