diff --git a/src/backend/downloadworker.cpp b/src/backend/downloadworker.cpp
index f100f2e..d7e5f5a 100644
--- a/src/backend/downloadworker.cpp
+++ b/src/backend/downloadworker.cpp
@@ -121,7 +121,7 @@ void DownloadController::startDownload(const QString &url)
         QString aria2ConnectionPerServer = "--max-connection-per-server=1"; //每个服务器最大连接数
         QString aria2ConnectionMax = "--max-concurrent-downloads=16"; //最大同时下载数
         QString aria2ConnectionTimeout = "--connect-timeout=5"; // 5 秒服务器连接超时
-        QString aria2MaxRetry = "--max-tries=1" //
+        QString aria2MaxRetry = "--max-tries=1"; //设置最大重试次数
 
 
         if (useMetalink) //如果是metalink