private void button16_Click(object sender, EventArgs e)
{
string [] types = cb_addtype.Text.Split('-');
int type = int.Parse(types[0]);
string res = weChatThread.Wx_AddUser(txt_v1.Text, txt_v2.Text, type, txt_hellotext.Text);
txt_syslog.Text = res.ConvertToString();
}