docs: function update() {
  	mui.getJSON(server, {
  		"appid": plus.runtime.appid,
  		"version": plus.runtime.version,
  		"imei": plus.device.imei
  	}, function(data) {
  		if (data.status) {
  			plus.nativeUI.confirm(data.note, function(event) {
  				if (0 == event.index) {
  					plus.runtime.openURL(data.url);
  				}
  			}, data.title, ["立即更新", "取　　消"]);
  		}
  	});
  }