Merge pull request #66 from NorthernOceanS/issue42

Fix some bugs.

Author: callstackexceed

create-event-center.js

@@ -9,7 +9,7 @@ class FakeEventCenter{
 	}
 	broadcastMessage(data){
 		for(let port of this.ports) {
-			setTimeout(()=> port.onmessage(event), 0);
+			setTimeout(()=> port.onmessage({data}), 0);
 		}
 	}
 }