diff --git a/app/admin/controller/v1/SysConfig.php b/app/admin/controller/v1/SysConfig.php
index b9aa352a..686235b6 100644
--- a/app/admin/controller/v1/SysConfig.php
+++ b/app/admin/controller/v1/SysConfig.php
@@ -89,7 +89,7 @@ class SysConfig
                 'updated_at',
                 'deleted_at'
             ])
-            ->bypy($id)
+            ->bypk($id)
             ->find();
         if (empty($config)) {
             return error('配置项不存在');