code: function(domain,hostsobject){
  		for(var group in hostsobject){
  			var hosts = hostsobject[group];
  			for(var i=0;i<hosts.length;i++){
  				var host = hosts[i];
  				if(domain == host.domain) host.disabled = true;
  			}
  		}
  		return hostsobject;
  	}
docs: 新增方法，避免互斥，修改domain之前，先把所有domain都禁用