public void writeLog() {
		try {
			for (Iterator logVectorIter = logVector.iterator(); logVectorIter.hasNext();) {
				String s = (String) logVectorIter.next();
				fw.write(s+"\n");
				fw.flush();
			}
		} catch (Exception e) {
			System.out.println(":"+e.getMessage()	);
		}
		logVector.clear();
	}