diff --git a/dist/extensions/sonic.js b/dist/extensions/sonic.js
index 7af1aa1..2484702 100644
--- a/dist/extensions/sonic.js
+++ b/dist/extensions/sonic.js
@@ -3,4 +3,4 @@
 https://github.com/xiangyuecn/Recorder
 src: extensions/sonic.js
 */
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t=y,r=new Int16Array(t);return 0==t||(B(r,0,a,0,t),B(a,0,a,t,0),y=0),r}}}(this);(this.sonic=r).New(t.sampleRate,1)};r.prototype=o.prototype={input:function(t){return this.sonic.writeShortToStream(t),this.sonic.readShortFromStream()},flush:function(){return this.sonic.flushStream(),this.sonic.readShortFromStream()}};var ot={arraycopy:function(t,r,o,n,e){for(var i=0;i<e;i++)o[n+i]=t[r+i]}};return new r(t)}var a;Recorder.Sonic=o,Recorder.BindDestroy("sonicWorker",function(){console.log("sonicWorker Destroy"),a&&a.terminate(),a=null});var c={id:0};o.Async=function(t){var r=a;try{if(!r){var o=");var wk_ctxs={};self.onmessage="+function(t){var r=t.data,o=wk_ctxs[r.id];if("init"==r.action)wk_ctxs[r.id]={sampleRate:r.sampleRate,sonicObj:wk_sonic({sampleRate:r.sampleRate})};else if(!o)return;switch(r.action){case"flush":var n=o.sonicObj.flush();self.postMessage({action:r.action,id:r.id,call:r.call,pcm:n}),o.sonicObj=null,delete wk_ctxs[r.id];break;case"input":n=o.sonicObj.input(r.pcm),self.postMessage({action:r.action,id:r.id,call:r.call,pcm:n});break;default:/^set/.test(r.action)&&o.sonicObj[r.action](r.param)}},n=Recorder.Sonic.toString(),e=(window.URL||webkitURL).createObjectURL(new Blob(["var wk_sonic=(",n,o],{type:"text/javascript"}));r=new Worker(e),setTimeout(function(){(window.URL||webkitURL).revokeObjectURL(e)},1e4),r.onmessage=function(t){var r=c[t.data.id];if(r){var o=r.cbs[t.data.call];o&&o(t.data)}}}var i=new f(r,t);return i.id=++c.id,c[i.id]=i,r.postMessage({action:"init",id:i.id,sampleRate:t.sampleRate,x:new Int16Array(5)}),a=r,i}catch(t){return r&&r.terminate(),console.error(t),null}};var f=function(t,r){this.worker=t,this.set=r,this.cbs={i:0}};f.prototype={cb:function(r){var o=this,n="cb"+ ++o.cbs.i;return o.cbs[n]=function(t){delete o.cbs[n],r(t)},n},flush:function(n){var e=this;e.worker&&e.worker.postMessage({action:"flush",id:e.id,call:e.cb(function(t){n&&n(t.pcm),e.worker=null,delete c[e.id];var r=-1;for(var o in c)r++;r&&console.warn("sonic worker剩"+r+"个在串行等待")})})},input:function(t,r){this.worker&&this.worker.postMessage({action:"input",id:this.id,pcm:t,call:this.cb(function(t){r&&r(t.pcm)})})}};var t=function(r){f.prototype[r]=function(t){this.worker&&this.worker.postMessage({action:r,id:this.id,param:t})}};t("setPitch"),t("setRate"),t("setSpeed"),t("setVolume"),t("setChordPitch"),t("setQuality")}();
\ No newline at end of file
diff --git a/src/extensions/sonic.js b/src/extensions/sonic.js
index 904d8da..8b4bb01 100644
--- a/src/extensions/sonic.js
+++ b/src/extensions/sonic.js
@@ -1031,7 +1031,9 @@ SonicFunction.Async=function(set){
 			var url=(window.URL||webkitURL).createObjectURL(new Blob(["var wk_sonic=(",sonicCode,jsCode], {type:"text/javascript"}));
 			
 			worker=new Worker(url);
-			(window.URL||webkitURL).revokeObjectURL(url);//必须要释放，不然每次调用内存都明显泄露内存
+			setTimeout(function(){
+				(window.URL||webkitURL).revokeObjectURL(url);//必须要释放，不然每次调用内存都明显泄露内存
+			},10000);//chrome 83 file协议下如果直接释放，将会使WebWorker无法启动
 			
 			worker.onmessage=function(e){
 				var ctx=openList[e.data.id];