diff --git a/web/alert/index.js b/web/alert/index.js
index 9f1aa53..483386e 100644
--- a/web/alert/index.js
+++ b/web/alert/index.js
@@ -34,7 +34,7 @@ $(async function () {
         let audio = await playAudio(music);
         node.style.opacity = 1;
         nodeIm.style.opacity = 1;
-        await sleep(Math.max(audio.duration*1000 - 500,3000));
+        await sleep(Math.max(audio.duration*1000 - 1000,4000));
         node.style.opacity = 0;
         nodeIm.style.opacity = 0;
     }