diff --git a/public/client.js b/public/client.js
index 20c9ff7..453f9fb 100644
--- a/public/client.js
+++ b/public/client.js
@@ -215,7 +215,7 @@ export default class ClientList {
             },
             children: [
                 Avatar({
-                    src: item.avatar || '/favicon.ico',
+                    src: item.avatar ?? '/favicon.ico',
                     style: {
                         width: '32px',
                         height: '32px',
@@ -230,7 +230,7 @@ export default class ClientList {
             onclick: event => document.body.appendChild(Dialog({
                 children: [
                     Avatar({
-                        src: item.avatar || '/favicon.ico',
+                        src: item.avatar ?? '/favicon.ico',
                         style: {
                             width: '240px',
                             height: '240px',
diff --git a/public/music.js b/public/music.js
index f4199d0..13618d3 100644
--- a/public/music.js
+++ b/public/music.js
@@ -140,8 +140,9 @@ export default class MusicList {
     }
     async play(item) {
         if (!item.arrayBuffer) {
-            // 不支持流式加载wav和flac, 需要全部加载完毕才能播放
-            if (item.type === 'audio/wav' || item.type === 'audio/flac') {
+            console.log('加载音乐类型:', item.type)
+            // 不支持流式加载wav和flac和m4a, 需要全部加载完毕才能播放
+            if (item.type === 'audio/wav' || item.type === 'audio/flac' || item.type === 'audio/x-m4a') {
                 await this.load(item)
                 this.audio.src = URL.createObjectURL(new Blob([item.arrayBuffer], { type: item.type }))
                 this.audio.play()