diff --git a/src/plugin/admin/app/controller/Base.php b/src/plugin/admin/app/controller/Base.php
index f997cd6..c9182be 100644
--- a/src/plugin/admin/app/controller/Base.php
+++ b/src/plugin/admin/app/controller/Base.php
@@ -30,11 +30,16 @@ class Base
 
     /**
      * 数据限制
-     * 例如当$dataLimit='admin_id'时将只返回当前管理员的数据
+     * 例如当$dataLimit='personal'时将只返回当前管理员的数据
      * @var string
      */
     protected $dataLimit = null;
 
+    /**
+     * 数据限制字段
+     */
+    protected $dataLimitField = 'admin_id';
+
     /**
      * 返回格式化json数据
      *
diff --git a/src/plugin/admin/app/controller/Crud.php b/src/plugin/admin/app/controller/Crud.php
index 1aa8fbf..847037f 100644
--- a/src/plugin/admin/app/controller/Crud.php
+++ b/src/plugin/admin/app/controller/Crud.php
@@ -118,8 +118,8 @@ class Crud extends Base
             }
         }
         // 按照数据限制字段返回数据
-        if ($this->dataLimit) {
-            $where[$this->dataLimit] = admin_id();
+        if ($this->dataLimit === 'personal') {
+            $where[$this->dataLimitField] = admin_id();
         }
 
         return [$where, $format, $page_size, $field, $order];
diff --git a/src/plugin/admin/app/controller/UploadController.php b/src/plugin/admin/app/controller/UploadController.php
index 289ded5..c2fcba4 100644
--- a/src/plugin/admin/app/controller/UploadController.php
+++ b/src/plugin/admin/app/controller/UploadController.php
@@ -22,10 +22,10 @@ class UploadController extends Crud
     protected $model = null;
 
     /**
-     * 按照admin_id字段限制返回数据
+     * 只返回当前管理员数据
      * @var string
      */
-    protected $dataLimit = 'admin_id';
+    protected $dataLimit = 'personal';
 
     /**
      * 构造函数