code: public void setUrlParaSeparator(String urlParaSeparator) {
  		if (StrKit.isBlank(urlParaSeparator) || urlParaSeparator.contains("/")) {
  			throw new IllegalArgumentException("urlParaSepartor can not be blank and can not contains \"/\"");
  		}
  		this.urlParaSeparator = urlParaSeparator;
  	}
docs: Set urlPara separator. The default value is "-"
  @param urlParaSeparator the urlPara separator