diff --git a/app/BaseModel.php b/app/BaseModel.php
index 542556d..d47b744 100644
--- a/app/BaseModel.php
+++ b/app/BaseModel.php
@@ -92,7 +92,7 @@ class BaseModel extends Model
      }
 
     //  获取某一项数据的统计
-     public static function getTotal($map,$where=[],$field,$group){
+     public static function getTotal($map,$where=[],$field ='',$group=''){
         return self::field($field)
             ->where($map)
             ->where($where)