diff --git a/package.json b/package.json
index 34481611..867e33f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "red5pro-html-sdk-testbed",
-  "version": "5.6.0-RC1",
+  "version": "5.6.0-RC2",
   "description": "Testbed examples for Red5 Pro HTML SDK",
   "main": "src/js/index.js",
   "repository": {
diff --git a/src/page/sm-test/publishStreamManagerProxyCamera/index.js b/src/page/sm-test/publishStreamManagerProxyCamera/index.js
index f225864d..dc7b64a8 100644
--- a/src/page/sm-test/publishStreamManagerProxyCamera/index.js
+++ b/src/page/sm-test/publishStreamManagerProxyCamera/index.js
@@ -274,6 +274,17 @@
         resolve();
         return;
       }
+      var stream = publisher.getMediaStream();
+      if (stream) {
+        var i;
+        var track;
+        var tracks = stream.getTracks();
+        for (i = 0; i < tracks.length; i++) {
+          track = tracks[i];
+          track.stop();
+        }
+      }
+      document.getElementById('red5pro-publisher').srcObject = null;
       publisher.unpublish()
         .then(function () {
           onUnpublishSuccess();
diff --git a/src/page/test/publishCameraSource/index.js b/src/page/test/publishCameraSource/index.js
index 4d276c2a..28a2831b 100644
--- a/src/page/test/publishCameraSource/index.js
+++ b/src/page/test/publishCameraSource/index.js
@@ -189,6 +189,17 @@
   function unpublish () {
     return new Promise(function (resolve, reject) {
       if (targetPublisher) {
+        var stream = targetPublisher.getMediaStream();
+        if (stream) {
+          var i;
+          var track;
+          var tracks = stream.getTracks();
+          for (i = 0; i < tracks.length; i++) {
+            track = tracks[i];
+            track.stop();
+          }
+        }
+        document.getElementById('red5pro-publisher').srcObject = null;
         targetPublisher.unpublish()
           .then(function () {
             onUnpublishSuccess();