bug修改

@@ -904,7 +904,7 @@ class User extends Api
         $this->lower_num = $user['lower_num'];
         $childrenIds = $this->getChildrenIds($user['id']);
         $where['id'] = ['in',$childrenIds];
-        if(isset($is_work)){
+        if($is_work != ''){
             $where['is_work'] = $is_work;
         }
         $list = $this->model