public boolean init(){
		reader = new FileReader(wxMsgFilePath,charset);
		try {
			reader.openStream();
			logger.info("Success to open the FileReader.");
			flag = true;
			return flag;
		}	catch (IOException e) {
			logger.info(e.getMessage(),e);
		}
		
		logger.info("Fail to open the FileReader.");
		return false;
	}