fix some issues

display-server/web/res/js/mobile/expand-mobile.js

				execute("showNotification",[content,title,icon,id]);
			},startListen:function(callback,err){
				if(callback){
					WadeMobile.callback.storageCallback("startListen",callback);
					storageCallback("startListen",callback);
				}
				execute("startListen",[],err);
			},voiceSpeak:function(content,err){