音频悬浮窗背景设置为透明

@@ -27,6 +27,7 @@ struct Index {
   @State name: string = 'audio_status_wait';
 
   async aboutToAppear() {
+    window.findWindow("subWindow").setWindowBackgroundColor("#00000000")
     this.AudioSuspension.playerController.get().onTimeUpdate = (position, duration) => {
       this.currentTime = DateFormatUtil.convertMillisecondsToMinutesSeconds(position);
       this.totalTime = DateFormatUtil.convertMillisecondsToMinutesSeconds(duration);