diff --git a/System/Crontab/Producer.php b/System/Crontab/Producer.php
index 8cf247e7..fa7b5645 100644
--- a/System/Crontab/Producer.php
+++ b/System/Crontab/Producer.php
@@ -57,11 +57,12 @@ class Producer extends Component
     }
 
 
-    /**
-     * @param string $name
-     * @throws Exception
-     */
-    public function exists(string $name)
+	/**
+	 * @param string $name
+	 * @return bool
+	 * @throws Exception
+	 */
+    public function exists(string $name): bool
     {
         $redis = Snowflake::app()->getRedis();
         if ($redis->exists('crontab:' . md5($name))) {
diff --git a/System/Error/Logger.php b/System/Error/Logger.php
index e09699c1..df239ca3 100644
--- a/System/Error/Logger.php
+++ b/System/Error/Logger.php
@@ -96,10 +96,7 @@ class Logger extends Component
 			$message = $this->arrayFormat($message);
 		}
 		if (!empty($message)) {
-			if (!is_array($this->logs)) {
-				$this->logs = [];
-			}
-			$this->logs[] = [$method, $message];
+			$this->write($message, $method);
 		}
 		return $message;
 	}