private void ToolStripMenuItem_About_Click(object sender, EventArgs e)
{
AboutBox_AboutUs ab = new AboutBox_AboutUs();
ab.ShowDialog();
}
/// <summary>
/// 展示关于菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void About_Click(object sender, EventArgs e)
{
AboutBox_AboutUs ab = new AboutBox_AboutUs();
ab.ShowDialog();
}