/// <summary>
/// �����û�ͷ��
/// </summary>
/// <param name="headImg"></param>
public void ChangeHeadImg(string headImg)
{
string id = this.userId.Value;
if (headImg == null || headImg == "")
{
return;
}
Users users = new Users();
users.ChangeHeadImg(headImg, id);
}