function handler(message){
		if(message=="No data received from server"){
			alert('系统暂时无法响应您的请求，请您过1分钟再次提交！')
			try{
				clearTimeout(timer);
				removeShield()
			}catch(e){
				
			}
		}else{
			alert(message);
		}
	}
	DWREngine.setErrorHandler(handler);