public void append(String s) {
		/*  */
		FileWriter fw;
		BufferedWriter bw;
		try {
			fw = new FileWriter("log/log"+Date.getdateD()+".txt",true);
			bw = new BufferedWriter(fw);
			Document doc = txtArea.getDocument();
			doc.insertString(doc.getLength(), s, null);
			txtArea.setAutoscrolls(true);
			setEndline();
			bw.write(s);
			bw.newLine();
			bw.close();
		} catch (BadLocationException exc) {
			exc.printStackTrace();
		} catch (IOException e) {
			// TODO ڵ  catch 
			e.printStackTrace();
		}
	}