/// <summary>
/// //更新Himall_OpenIds 取消订阅
/// </summary>
private void UnSubscribe(string openId)
{
Task.Factory.StartNew(() => _iWXApiService.UnSubscribe(openId));
}
/// <summary>
/// 取消订阅（关注）记录
/// </summary>
public static void UnSubscribe(string openId)
{
_wxApiService.UnSubscribe(openId);
}