调整背景音频示例。

pages/API/get-background-audio-manager/get-background-audio-manager.uvue

@@ -59,6 +59,8 @@
 			bgAudioMannager.singer = '歌手：暂无' + this.count;
 			bgAudioMannager.coverImgUrl = 'https://web-assets.dcloud.net.cn/unidoc/zh/Alice.jpeg';
 			bgAudioMannager.src = this.dataUrl;
+      this.currentTime = bgAudioMannager.currentTime
+      this.duration = bgAudioMannager.duration
 			bgAudioMannager.onCanplay(() => {
 				console.log("音频进入可以播放状态事件");
 				this.buffered = bgAudioMannager.buffered;