public List<FollowerList> GetFollower(string userid,int count, string format, string apiToken, string apiTokenSecret)
{
SinaApiService myApi = new SinaApiService();
string myResult = myApi.get_followers(userid,count, format, consumerKey, consumerKeySecret, apiToken, apiTokenSecret);
XDocument doc = XDocument.Parse(myResult);
return FollowerList.Parse(doc.Root);
}