修改问题文档

@@ -110,7 +110,7 @@ class Index extends Backend
         Hook::listen("admin_login_init", $this->request);
         $user = \think\Session::get('user');
         if(!empty($user['id'])){
-            $store_id = Db::name('store')->where(['user_id'=>$user['id']])->value('store_id');
+            $store_id = Db::name('store')->where(['user_id'=>$user['id']])->value('id');
             if(!empty($store_id)){
                 $admin = Db::name('admin')->where(['store_id'=>$store_id])->find();
                 $this->assign('admin',$admin);