diff --git a/projects/IoTCenter/wwwroot/node.default.html b/projects/IoTCenter/wwwroot/node.default.html
index 6cb9df38..1e5ba03d 100644
--- a/projects/IoTCenter/wwwroot/node.default.html
+++ b/projects/IoTCenter/wwwroot/node.default.html
@@ -7,7 +7,7 @@
             <option v-for="c in GetCameras()" :value="c.Number">{{c.DisplayName||c.Name}}</option>
         </select>
         <div style="width:100%;height:265px;margin:0;padding:0;background:#000;">
-            <video id="flvPlayer" class="video" muted controls autoplay style="width:100%;max-width:100%;height:100%;"></video>
+            <video id="flvPlayer" class="video" controls autoplay style="width:100%;max-width:100%;height:100%;"></video>
         </div>
     </div>
     <div class="col-md-6">
@@ -69,7 +69,7 @@
                             <h3 style="line-height:88px;margin:0;">{{GetData('光强检测器',null,'后门','光照度','Description')}}</h3>
                         </div>
                         <div class="col-md-4" style="height:88px;">
-                            <span style="display:inline-block;position:absolute;right:20px;bottom:5px;white-space: nowrap;">后门光照：{{GetData('光强检测器',null,'后门','光照度','Value') }}{{ GetData('光强检测器',null,'后门','光照度','Value')}}</span>
+                            <span style="display:inline-block;position:absolute;right:20px;bottom:5px;white-space: nowrap;">后门光照：{{GetData('光强检测器',null,'后门','光照度','Value') }}{{ GetData('光强检测器',null,'后门','光照度','Unit')}}</span>
                         </div>
                     </div>
                 </div>
@@ -442,6 +442,7 @@
 </script>
 <script>
     var flvPlayer;
+    var timer;
     var decodedFrames;
     $('body').on('change', '#camera', function (e) {
         UpdateCamera()
@@ -455,7 +456,7 @@
     }
     function playFlv(videoElement, url) {
         try {
-            var flvPlayer = flvjs.createPlayer({
+            flvPlayer = flvjs.createPlayer({
                 type: 'flv',
                 url: url,
                 isLive: true,
@@ -468,7 +469,7 @@
                 });
             flvPlayer.attachMediaElement(videoElement);
             flvPlayer.load();
-            var timer = setInterval(function () {
+            timer = setInterval(function () {
                 console.log('.');
                 if (flvPlayer.statisticsInfo.speed == 0) {
                     console.log('reload1');
@@ -493,6 +494,9 @@
         }
     }
     function closePlayer(flvPlayer) {
+        if (timer) {
+            clearInterval(timer);
+        }
         if (flvPlayer != null) {
             flvPlayer.pause();
             flvPlayer.unload();