diff --git a/System/Cache/Redis.php b/System/Cache/Redis.php
index 29811d70..f633cbe7 100644
--- a/System/Cache/Redis.php
+++ b/System/Cache/Redis.php
@@ -87,7 +87,7 @@ class Redis extends Component
 	 * @return bool
 	 * @throws Exception
 	 */
-	public function lock($key, $timeout = 5)
+	public function lock($key, $timeout = 5): bool
 	{
 		$script = <<<SCRIPT
 local _nx = redis.call('setnx',KEYS[1], ARGV[1])
diff --git a/System/Pool/Redis.php b/System/Pool/Redis.php
index d8bcd1dd..7c74f26d 100644
--- a/System/Pool/Redis.php
+++ b/System/Pool/Redis.php
@@ -53,7 +53,7 @@ class Redis extends Pool
 	 * @param mixed $config
 	 * @return SRedis
 	 * @throws RedisConnectException
-	 * @throws ComponentException
+	 * @throws Exception
 	 */
     public function createClient(string $name, mixed $config): SRedis
     {