diff --git a/app/admin/controller/Config.php b/app/admin/controller/Config.php
index f91d0e90b..61d1a4451 100644
--- a/app/admin/controller/Config.php
+++ b/app/admin/controller/Config.php
@@ -35,7 +35,7 @@ class Config extends Controller
      * 绑定数据表
      * @var string
      */
-    protected $table = 'SystemConfig';
+    private $table = 'SystemConfig';
 
     /**
      * 系统参数配置
diff --git a/app/admin/controller/Menu.php b/app/admin/controller/Menu.php
index 279ed11d2..8ad1ebcd1 100644
--- a/app/admin/controller/Menu.php
+++ b/app/admin/controller/Menu.php
@@ -33,7 +33,7 @@ class Menu extends Controller
      * 当前操作数据库
      * @var string
      */
-    protected $table = 'SystemMenu';
+    private $table = 'SystemMenu';
 
     /**
      * 系统菜单管理
diff --git a/app/admin/controller/Oplog.php b/app/admin/controller/Oplog.php
index 8c9d8186f..09d97c560 100644
--- a/app/admin/controller/Oplog.php
+++ b/app/admin/controller/Oplog.php
@@ -30,7 +30,7 @@ class Oplog extends Controller
      * 绑定数据表
      * @var string
      */
-    public $table = 'SystemOplog';
+    private $table = 'SystemOplog';
 
     /**
      * 系统日志管理
diff --git a/app/admin/controller/Queue.php b/app/admin/controller/Queue.php
index 26cb33e35..2339d160e 100644
--- a/app/admin/controller/Queue.php
+++ b/app/admin/controller/Queue.php
@@ -33,7 +33,7 @@ class Queue extends Controller
      * 绑定数据表
      * @var string
      */
-    protected $table = 'SystemQueue';
+    private $table = 'SystemQueue';
 
     /**
      * 系统任务管理
diff --git a/app/admin/controller/User.php b/app/admin/controller/User.php
index 6e128d404..8b24fc5ed 100644
--- a/app/admin/controller/User.php
+++ b/app/admin/controller/User.php
@@ -29,7 +29,7 @@ class User extends Controller
      * 绑定数据表
      * @var string
      */
-    public $table = 'SystemUser';
+    private $table = 'SystemUser';
 
     /**
      * 系统用户管理