diff --git a/app/common/controller/Backend.php b/app/common/controller/Backend.php
index 8e1a266f228206330315f70aac8d5e17dedc3f41..525c2bbbaa3b86045677b606f48dc99a2bb226ff 100644
--- a/app/common/controller/Backend.php
+++ b/app/common/controller/Backend.php
@@ -53,6 +53,12 @@ class Backend extends Api
      */
     protected string|array $defaultSortField = [];
 
+    /**
+     * 默认where条件
+     * @var array ['id','=', 1]
+     */
+    protected array $defaultWhere = [];
+    
     /**
      * 有序保证
      * 查询数据时总是需要指定 ORDER BY 子句，否则 MySQL 不保证排序，即先查到哪行就输出哪行且不保证多次查询中的输出顺序
@@ -186,7 +192,7 @@ class Backend extends Api
         $initValue    = $this->request->get("initValue", '');
         $initOperator = $this->request->get("initOperator/s", 'in');
 
-        $where              = [];
+        $where              = $this->defaultWhere;
         $modelTable         = strtolower($this->model->getTable());
         $alias[$modelTable] = parse_name(basename(str_replace('\\', '/', get_class($this->model))));
         $mainTableAlias     = $alias[$modelTable] . '.';