diff --git a/System/Process/CrontabProcess.php b/System/Process/CrontabProcess.php
index 777e32cc..1c25c2ef 100644
--- a/System/Process/CrontabProcess.php
+++ b/System/Process/CrontabProcess.php
@@ -44,6 +44,7 @@ class CrontabProcess extends Process
             $redis = Snowflake::app()->getRedis();
 
             $range = $redis->zRangeByScore(ACrontab::CRONTAB_KEY, '0', (string)$startTime);
+            var_dump($range);
             $redis->zRemRangeByScore(ACrontab::CRONTAB_KEY, '0', (string)$startTime);
             foreach ($range as $value) {
                 $crontab = $redis->get('crontab:' . md5($value));