diff --git a/source/application/common/logic/PassFlow.php b/source/application/common/logic/PassFlow.php
index cbe6e87..31c844c 100644
--- a/source/application/common/logic/PassFlow.php
+++ b/source/application/common/logic/PassFlow.php
@@ -46,7 +46,7 @@ class PassFlow
     {
 
         $granularity = $param['granularity'];
-        $type    = $param['type'];
+        $type    = isset($param['type']) ?$param['type']:'';
 
         if (empty($granularity)) return ['code' => 0, 'msg' => '缺少参数：granularity'];
         if (!in_array($granularity,self::$granularity)) return ['code' => 0, 'msg' => '参数错误：granularity'];