/// <summary>
/// 添加好友
/// </summary>
/// <typeparam name="T">返回类型</typeparam>
/// <param name="owner">要添加好友的用户名</param>
/// <param name="friend">被添加的用户名</param>
/// <returns></returns>
public T AddFriend <T>(string owner, string friend)
{
if (_instance == null)
{
return(default(T));
}
return(_instance.AddFriend <T>(owner, friend));
}
