//问题反馈
        private void biFeedback_Click(object sender, EventArgs e)
        {
            FrmFeedback frmFeedback = new FrmFeedback();

            frmFeedback.Show();
        }
        //提意见
        private void biComments_Click(object sender, EventArgs e)
        {
            var frmFeedback = new FrmFeedback();

            frmFeedback.Show();
        }