diff --git a/app/common/service/UserService.php b/app/common/service/UserService.php
index fef0f63..53507b2 100644
--- a/app/common/service/UserService.php
+++ b/app/common/service/UserService.php
@@ -153,7 +153,7 @@ class UserService
     public function resignMember(Request $request)
     {
         $uid = $request->user->uid;
-        $userId = $request->post('user_id');
+        $userId = $request->get('user_id');
         $user = User::find($userId);
         if ($user->report_to != $uid) {
             throw new BusinessException('禁止操作非组员');