后台设备模块开发

@@ -56,6 +56,7 @@ class AdminIndexController extends AdminBaseController
      */
      */
     public function index()
     public function index()
     {
     {
+        $where=[];
         $param=$this->request->param();
         $param=$this->request->param();
 
 
         $startTime = empty($param['start_time']) ? 0 : strtotime($param['start_time']);
         $startTime = empty($param['start_time']) ? 0 : strtotime($param['start_time']);