diff --git a/System/Abstracts/Crontab.php b/System/Abstracts/Crontab.php
index d366cd8e..534ab5a1 100644
--- a/System/Abstracts/Crontab.php
+++ b/System/Abstracts/Crontab.php
@@ -27,6 +27,7 @@ class Crontab extends Component
     {
         /** @var CrontabProcess $redis */
         $redis = Snowflake::app()->get(CrontabProcess::class);
+        var_dump($redis);
         $redis->write(serialize($crontab));
     }
 
@@ -39,6 +40,7 @@ class Crontab extends Component
     {
         /** @var CrontabProcess $redis */
         $redis = Snowflake::app()->get(CrontabProcess::class);
+        var_dump($redis);
         $redis->write(Json::encode(['action' => 'clear', 'name' => $name]));
     }
 
@@ -50,6 +52,7 @@ class Crontab extends Component
     {
         /** @var CrontabProcess $redis */
         $redis = Snowflake::app()->get(CrontabProcess::class);
+        var_dump($redis);
         $redis->write(Json::encode(['action' => 'clearAll']));
     }
 
diff --git a/System/Process/CrontabProcess.php b/System/Process/CrontabProcess.php
index 897238cb..8bee6d16 100644
--- a/System/Process/CrontabProcess.php
+++ b/System/Process/CrontabProcess.php
@@ -35,6 +35,7 @@ class CrontabProcess extends Process
     {
         while (true) {
             $content = $process->read();
+            var_dump($content);
             $_content = json_decode($content, true);
             if (is_null($_content)) {
                 $this->jobDelivery($content);