docs: public TimeUnit[] parse(String target){
  		this.target = target;
  		this.timeBase = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(Calendar.getInstance().getTime());
  		this.oldTimeBase = timeBase;
  		preHandling();//字符串预处理
  		timeToken = TimeEx(this.target,timeBase);
  		return timeToken;
  	}