diff --git a/Application/Home/Controller/QueryController.class.php b/Application/Home/Controller/QueryController.class.php
index 9af3fa9a9..9d3ed0b22 100644
--- a/Application/Home/Controller/QueryController.class.php
+++ b/Application/Home/Controller/QueryController.class.php
@@ -1958,7 +1958,7 @@ class QueryController extends BaseController
 
     public function getSubPromotes()
     {
-        $promoteId = I('promote_id', 0);
+        $promoteId = I('promote_id', 0) ?: -1;
         $promotes = M('promote', 'tab_')->field(['id', 'account', 'real_name'])->where(['parent_id' => $promoteId])->select();
         $this->ajaxReturn([
             'status' => 1,