diff --git a/trunk/3rdparty/signaling/www/demos/one2one.html b/trunk/3rdparty/signaling/www/demos/one2one.html
index 5bef9a4ba..aa953074b 100644
--- a/trunk/3rdparty/signaling/www/demos/one2one.html
+++ b/trunk/3rdparty/signaling/www/demos/one2one.html
@@ -295,8 +295,9 @@
         });
 
         $("#btn_start").click(startDemo);
+        // Never play util windows loaded @see https://github.com/ossrs/srs/issues/2732
         if (conf.autostart) {
-            startDemo();
+            window.addEventListener("load", function(){ startDemo(); });
         }
     });
 </script>
diff --git a/trunk/3rdparty/signaling/www/demos/room.html b/trunk/3rdparty/signaling/www/demos/room.html
index 5d75f7fbf..164213d95 100644
--- a/trunk/3rdparty/signaling/www/demos/room.html
+++ b/trunk/3rdparty/signaling/www/demos/room.html
@@ -199,8 +199,9 @@
         });
 
         $("#btn_start").click(startDemo);
+        // Never play util windows loaded @see https://github.com/ossrs/srs/issues/2732
         if (conf.autostart) {
-            startDemo();
+            window.addEventListener("load", function(){ startDemo(); });
         }
     });
 </script>
\ No newline at end of file
diff --git a/trunk/research/players/rtc_publisher.html b/trunk/research/players/rtc_publisher.html
index 6b102a289..4c1fe76dd 100644
--- a/trunk/research/players/rtc_publisher.html
+++ b/trunk/research/players/rtc_publisher.html
@@ -110,12 +110,12 @@ $(function(){
     srs_init_rtc("#txt_url", query);
 
     $("#btn_publish").click(startPublish);
+    // Never play util windows loaded @see https://github.com/ossrs/srs/issues/2732
     if (query.autostart === 'true') {
-        startPublish();
+        window.addEventListener("load", function(){ startPublish(); });
     }
 });
 </script>
 </body>
 </html>
 
-</html>