diff --git a/System/Crontab.php b/System/Crontab.php
index f2289e5f..0029dd17 100644
--- a/System/Crontab.php
+++ b/System/Crontab.php
@@ -7,6 +7,7 @@ namespace Snowflake;
 use Closure;
 use Exception;
 use Snowflake\Abstracts\BaseObject;
+use Snowflake\Process\CrontabProcess;
 use Swoole\Timer;
 
 /**
@@ -185,7 +186,7 @@ class Crontab extends BaseObject
     /**
      * @throws Exception
      */
-    public function execute(): void
+    public function execute(CrontabProcess $process): void
     {
         try {
             var_dump('execute');
@@ -193,6 +194,9 @@ class Crontab extends BaseObject
             $this->execute_number += 1;
             if ($this->execute_number >= $this->max_execute_number) {
                 $this->clearTimer();
+                $process->clear($this->getName());
+            } else if (!$this->isLoop()) {
+                $process->clear($this->getName());
             }
         } catch (\Throwable $throwable) {
             $this->addError($throwable->getMessage());
diff --git a/System/Process/CrontabProcess.php b/System/Process/CrontabProcess.php
index dd4993db..ed88a71d 100644
--- a/System/Process/CrontabProcess.php
+++ b/System/Process/CrontabProcess.php
@@ -56,14 +56,13 @@ class CrontabProcess extends Process
     {
         call_user_func(match ($content['action']) {
             'clear' => function ($content) {
-                if (!isset($this->names[$content['name']])) {
-                    return;
-                }
-                $this->names[$content['name']]->clearTimer();
+                $this->clear($content['name']);
             },
             'clearAll' => function () {
                 foreach ($this->names as $name => $crontab) {
                     $crontab->clearTimer();
+
+                    unset($this->names[$name], $crontab);
                 }
             },
             default => function () {
@@ -73,6 +72,18 @@ class CrontabProcess extends Process
     }
 
 
+    /**
+     * @param string $name
+     */
+    public function clear(string $name)
+    {
+        if (!isset($this->names[$name])) {
+            return;
+        }
+        $this->names[$name]->clearTimer();
+    }
+
+
     /**
      * @param $content
      */
@@ -82,7 +93,7 @@ class CrontabProcess extends Process
         $content = unserialize($content);
         $runTicker = function (Crontab $crontab) {
             var_dump(get_called_class());
-            $crontab->execute();
+            $crontab->execute($this);
         };
         $timer = $content->getTickTime() * 1000;
         var_dump($timer);