private void btnQuery_Click(object sender, EventArgs e)
        {
            string str    = NetRecognizePic.CJY_GetScore(this.txtqUser.Text.Trim(), this.MD5String(this.txtqPwd.Text.Trim()));
            string stradd = "";

            if (GetTextByKey(str, "err_no") == "0")
            {
                stradd = "题分" + GetTextByKey(str, "tifen");
            }
            else
            {
                stradd = GetTextByKey(str, "err_str");
            }
            this.richTextBox1.Text += "[" + DateTime.Now.ToString("HH:mm:ss") + "]" + stradd + "\r\n";
        }