private void checkFolder() {
		File KeywordFolder;
		boolean stateKeywordFolder;

		KeywordFolder = new File("./KeyWord");
		stateKeywordFolder = KeywordFolder.exists();

		if(stateKeywordFolder == false ){
			System.out.println("The 'KeyWord' folder do not exist,trying to create one...");
			stateKeywordFolder = KeywordFolder.mkdir();
			if( stateKeywordFolder == false ){
				System.out.println("Unable to create the folder,please check disk ...");
				System.exit(1);
			}
		}
		
	}