diff --git a/apps/tools.js b/apps/tools.js
index 02bf86e..8e261fe 100644
--- a/apps/tools.js
+++ b/apps/tools.js
@@ -1028,7 +1028,8 @@ export class tools extends plugin {
             }
             // 动态判断后缀名
             const extensionPattern = /\.([a-zA-Z0-9]+)$/;
-            const musicExt = url.match(extensionPattern);
+            const musicExt = url.match(extensionPattern)?.[0].replace("\.", "");
+            logger.info(musicExt);
             // 下载音乐
             downloadAudio(url, this.getCurDownloadPath(e), title, 'follow', musicExt).then(async path => {
                 // 发送语音