/// <summary>
/// 注册接口（获取 string）
/// </summary>
/// <param name="interfaceName">接口名称</param>
/// <param name="interfaceUrl">接口url</param>
/// <param name="handler">获取 string 之后的处理者</param>
/// <param name="offlineHandle">离线模式处理者</param>
public void RegisterInterface(string interfaceName, string interfaceUrl, HTFAction <string> handler, HTFAction offlineHandle = null)
{
_helper.RegisterInterface(interfaceName, interfaceUrl, handler, offlineHandle);
}