diff --git a/System/Crontab/Zookeeper.php b/System/Crontab/Zookeeper.php
index 52b2448a..9511440a 100644
--- a/System/Crontab/Zookeeper.php
+++ b/System/Crontab/Zookeeper.php
@@ -88,9 +88,8 @@ class Zookeeper extends Process
     {
         $redis = Snowflake::app()->getRedis();
 
-        $startTime = time();
+        $range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)time());
 
-        $range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)$startTime);
         $redis->zRem(Producer::CRONTAB_KEY, ...$range);
 
         return [$range, $redis];