diff --git a/System/Crontab/Producer.php b/System/Crontab/Producer.php
index 75938fd9..f1fff5a7 100644
--- a/System/Crontab/Producer.php
+++ b/System/Crontab/Producer.php
@@ -48,8 +48,8 @@ class Producer extends Component
     {
         $redis = Snowflake::app()->getRedis();
 
-	    $redis->del('crontab:' . $name);
-	    $redis->zRem(static::CRONTAB_KEY, $name);
+	    $redis->del('crontab:' . md5($name));
+	    $redis->zRem(static::CRONTAB_KEY, md5($name));
 
 	    $redis->setex('stop:crontab:' . md5($name), 10, 1);
     }