diff --git a/www/webrtc/index.html b/www/webrtc/index.html
index a340f0c1..a29629bd 100644
--- a/www/webrtc/index.html
+++ b/www/webrtc/index.html
@@ -89,12 +89,12 @@
     </div>
 
     <script>
-      var player = null
-      var recvOnly = true
-      var resArr = []
+      var player = null;
+      var recvOnly = true;
+      var resArr = [];
 
-      var ishttps = 'https:' == document.location.protocol ? true : false
-      var isLocal = "file:" == document.location.protocol ? true : false
+      var ishttps = 'https:' == document.location.protocol ? true : false;
+      var isLocal = "file:" == document.location.protocol ? true : false;
       
       const searchParams = new URL(document.location.href).searchParams;
       let type = searchParams.get('type');
@@ -105,19 +105,19 @@
       const apiPath = `/index/api/webrtc?app=${searchParams.get('app') ?? 'live'}&stream=${searchParams.get('stream') ?? 'test'}&type=${type}`;
 
       if(!ishttps && !isLocal){
-        alert('本demo需要在https的网站访问 ,如果你要推流的话(this demo must access in site of https if you want push stream)')
+        alert('本demo需要在https的网站访问 ,如果你要推流的话(this demo must access in site of https if you want push stream)');
       }
       
       const apiHost = isLocal ? "http://127.0.0.1" : `${document.location.protocol}//${window.location.host}`;
       var url = apiHost + apiPath;
 
-      document.getElementById('streamUrl').value = url
+      document.getElementById('streamUrl').value = url;
       document.getElementsByName("method").forEach((el,idx) => {
         el.checked = el.value === type;
         el.onclick = function(e) {
           let url = new URL(document.getElementById('streamUrl').value);
           url.searchParams.set("type",el.value);
-          document.getElementById('streamUrl').value = url.toString()
+          document.getElementById('streamUrl').value = url.toString();
           
           if(el.value == "play"){
             recvOnly = true;
@@ -136,7 +136,7 @@
           if (1080*720 <= r.width * r.height && r.width * r.height <= 1280*720) {
               opt.selected = true;
           }
-          document.getElementById("resolution").add(opt,null)
+          document.getElementById("resolution").add(opt,null);
       });
 
       function start_play(){
@@ -162,17 +162,17 @@
     
             player.on(ZLMRTCClient.Events.WEBRTC_ICE_CANDIDATE_ERROR,function(e)
             {// ICE 协商出错
-                console.log('ICE 协商出错')
+                console.log('ICE 协商出错');
             });
     
             player.on(ZLMRTCClient.Events.WEBRTC_ON_REMOTE_STREAMS,function(e)
             {//获取到了远端流，可以播放
-                console.log('播放成功',e.streams)
+                console.log('播放成功',e.streams);
             });
     
             player.on(ZLMRTCClient.Events.WEBRTC_OFFER_ANWSER_EXCHANGE_FAILED,function(e)
             {// offer anwser 交换失败
-                console.log('offer anwser 交换失败',e)
+                console.log('offer anwser 交换失败',e);
                 stop();
             });
     
@@ -188,31 +188,31 @@
             player.on(ZLMRTCClient.Events.CAPTURE_STREAM_FAILED,function(s)
             {// 获取本地流失败
     
-              console.log('获取本地流失败')
+              console.log('获取本地流失败');
             });
 
             player.on(ZLMRTCClient.Events.WEBRTC_ON_CONNECTION_STATE_CHANGE,function(state)
             {// RTC 状态变化 ,详情参考 https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/connectionState
-              console.log('当前状态==>',state)
+              console.log('当前状态==>',state);
             });
 
             player.on(ZLMRTCClient.Events.WEBRTC_ON_DATA_CHANNEL_OPEN,function(event)
             {
-              console.log('rtc datachannel 打开 :',event)
+              console.log('rtc datachannel 打开 :',event);
             });
 
             player.on(ZLMRTCClient.Events.WEBRTC_ON_DATA_CHANNEL_MSG,function(event)
             {
-              console.log('rtc datachannel 消息 :',event.data)
-              document.getElementById('msgrecv').value = event.data
+              console.log('rtc datachannel 消息 :',event.data);
+              document.getElementById('msgrecv').value = event.data;
             });
             player.on(ZLMRTCClient.Events.WEBRTC_ON_DATA_CHANNEL_ERR,function(event)
             {
-              console.log('rtc datachannel 错误 :',event)
+              console.log('rtc datachannel 错误 :',event);
             });
             player.on(ZLMRTCClient.Events.WEBRTC_ON_DATA_CHANNEL_CLOSE,function(event)
             {
-              console.log('rtc datachannel 关闭 :',event)
+              console.log('rtc datachannel 关闭 :',event);
             });
       }
 
@@ -227,12 +227,12 @@
         if(document.getElementById('useCamera').checked && !recvOnly)
         {
           ZLMRTCClient.isSupportResolution(w,h).then(e=>{
-            start_play()
+            start_play();
           }).catch(e=>{
-           alert("not support resolution")
+           alert("not support resolution");
           });
         }else{
-          start_play()
+          start_play();
         }
       }
 
@@ -257,13 +257,13 @@
       function send(){
         if(player){
           //send msg refernece https://developer.mozilla.org/en-US/docs/Web/API/RTCDataChannel/send
-          player.sendMsg(document.getElementById('msgsend').value)
+          player.sendMsg(document.getElementById('msgsend').value);
         }
       }
 
       function close(){
         if(player){
-          player.closeDataChannel()
+          player.closeDataChannel();
         }
       }