/// <summary>
/// 向黑名单中添加用户
/// </summary>
/// <typeparam name="T">返回类型</typeparam>
/// <param name="userName">用户名</param>
/// <param name="blockUsers">需要加入黑名单的用户名数组</param>
/// <returns></returns>
public T AddToBlockList <T>(string userName, string[] blockUsers)
{
if (_instance == null)
{
return(default(T));
}
return(_instance.AddToBlockList <T>(userName, blockUsers));
}
