diff --git a/System/Crontab/Producer.php b/System/Crontab/Producer.php
index 7393999c..00b4454c 100644
--- a/System/Crontab/Producer.php
+++ b/System/Crontab/Producer.php
@@ -34,14 +34,15 @@ class Producer extends Component
             throw new Exception('Cache key ' . self::CRONTAB_KEY . ' types error.');
         }
 
-        $tickTime = time() + $crontab->getTickTime();
         $redis->del('stop:crontab:' . $name, 120);
-
-        $result = $redis->zAdd(self::CRONTAB_KEY, $tickTime, $name);
-        var_dump($result, $redis->zCard(self::CRONTAB_KEY));
-        if ($result) {
-            $redis->set('crontab:' . $name, swoole_serialize($crontab));
+        if ($redis->exists('crontab:' . $name)) {
+            $redis->del('crontab:' . $name);
         }
+
+        $tickTime = time() + $crontab->getTickTime();
+
+        $redis->zAdd(self::CRONTAB_KEY, $tickTime, $name);
+        $redis->set('crontab:' . $name, swoole_serialize($crontab));
     }
 
 
diff --git a/System/Crontab/Zookeeper.php b/System/Crontab/Zookeeper.php
index 36d51abd..52b2448a 100644
--- a/System/Crontab/Zookeeper.php
+++ b/System/Crontab/Zookeeper.php
@@ -91,8 +91,7 @@ class Zookeeper extends Process
         $startTime = time();
 
         $range = $redis->zRangeByScore(Producer::CRONTAB_KEY, '0', (string)$startTime);
-        var_dump($startTime, $range);
-//        $redis->zRemRangeByScore(Producer::CRONTAB_KEY, '0', (string)$startTime);
+        $redis->zRem(Producer::CRONTAB_KEY, ...$range);
 
         return [$range, $redis];
     }