public void run() {
				String oldStatus = stateTextArea.getText();
				try {
					String msg = MailAction.receive(user, mailList);
					JOptionPane.showConfirmDialog(null, msg, "ʾ",
							JOptionPane.OK_OPTION);
					rcvMailButton.setEnabled(true);
				} catch (IOException e) {
					JOptionPane.showConfirmDialog(null, "ӷ", "ʾ",
							JOptionPane.OK_OPTION);
					e.printStackTrace();
				}
				stateTextArea.setText(oldStatus);
			}