diff --git a/app/admin/controller/system/Admin.php b/app/admin/controller/system/Admin.php
index 8ddc222f2f0b698b6c184f2830caff4577280862..722a9cfeca5a0003fe53ec617c55863e0ec53f3c 100644
--- a/app/admin/controller/system/Admin.php
+++ b/app/admin/controller/system/Admin.php
@@ -57,7 +57,6 @@ class Admin extends AdminController
             $post = input();
             $page = input('page/d') ?? 1;
             $limit = input('limit/d') ?? 10;
-            $limit = input('limit/d') ?? 10;
             $status = !empty($post['status']) ? $post['status'] - 1 : 1;
 
             // 生成查询条件