private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     GlobalData.save();
 }
 private void Form3_FormClosing(object sender, FormClosingEventArgs e)
 {
     GlobalData.save();
     Application.Exit();
 }
 private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     GlobalData.save();
     Application.Exit();
 }