order

@@ -29,7 +29,7 @@ class AdminStatisticsController extends AdminBaseController{
 
     public function index(){
         //医院总体时长统计
-        $hospital=Db::name('equipment')->field('hospital')->group('hospital')->select()->toArray();
+        $hospital=Db::name('equipment')->field('hospital')->group('hospital')->select(['hospital'])->toArray();
         dump($hospital);
 
         //周统计