fix: audio file download interrupted

src/jensen.js

@@ -709,16 +709,15 @@ Jensen.prototype.getFile = async function (filename, length, ondata, onprogress)
             audio.loop = true;
             audio.controls = false;
             audio.autoplay = true;
+            audio.muted = true;
             document.body.appendChild(audio);
         }
         if (document.visibilityState === 'hidden') {
             console.log('Page is hidden');
             audio.play();
-            // 可以选择暂停数据传输，或通过 Web Worker 继续后台任务
         } else {
             audio.pause();
             console.log('Page is visible');
-            // 重新开始或恢复数据传输
         }
     }
 
@@ -730,12 +729,12 @@ Jensen.prototype.getFile = async function (filename, length, ondata, onprogress)
             flen += msg.body.length || msg.body.byteLength;
             ondata(msg.body);
             if (flen >= length) {
-                // document.removeEventListener('visibilitychange', visibilitychange);
+                document.removeEventListener('visibilitychange', visibilitychange);
                 // return OK indicates all file blocks received
                 return 'OK';
             }
         } else {
-            // document.removeEventListener('visibilitychange', visibilitychange);
+            document.removeEventListener('visibilitychange', visibilitychange);
             ondata('fail');
         }
     };