diff --git a/pages/index/index.js b/pages/index/index.js
index ddbf3dd..142a793 100644
--- a/pages/index/index.js
+++ b/pages/index/index.js
@@ -57,12 +57,19 @@ Page({
         this.resetAudio();
         audio = wx.createInnerAudioContext({useWebAudioImplement: true});
         audio.autoplay = true;
+        // 播放失败要移除缓存内容
+        audio.onError((res) => {
+            console.log(res.errMsg)
+            console.log(res.errCode)
+        });
         // 检查是否播放过  
         const audioList = app.globalData.getAudioList();
-        const playedIndex = audioList.findIndex(v => v.url === url);
-        // 播放过，使用本地文件减少请求  
-        if(playedIndex > -1){
-            return audio.src = audioList[playedIndex].path;
+        const played = audioList.find(v => v.url === url);
+        // 播放过，使用本地文件减少请求，且从播放列表中移到最前  
+        if(played){
+            app.globalData.setAudioList('delete', played.path);
+            app.globalData.setAudioList('add', played);
+            return audio.src = played.path;
         }
         // 未播放过，先下载再播放  
         wx.downloadFile({