diff --git a/queue/crontab/spider_behavior_delta.php b/queue/crontab/spider_behavior_delta.php
index e3110bc..edd298c 100644
--- a/queue/crontab/spider_behavior_delta.php
+++ b/queue/crontab/spider_behavior_delta.php
@@ -17,6 +17,7 @@ class spiderBehaviorDelta {
 
         //统计今日增量
         $today = date('Y-m-d',strtotime(DATE));
+        if(DATE == '') $today = date('Y-m-d');
 
         $page_num = 1;
         $page_size = 2000;