diff --git a/application/common/QueueRedis.php b/application/common/QueueRedis.php
index 052265b..eccbe69 100644
--- a/application/common/QueueRedis.php
+++ b/application/common/QueueRedis.php
@@ -185,7 +185,7 @@ LUA;
         $redis = $this->connect();
         $redis->hSet($key, "chunk_{$chunkIndex}", $content);
         // 确保设置过期时间（如果已设置则忽略）
-        $redis->expire($key, 86400);
+        $redis->expire($key, 21600);
         return true;
 
     }