@Override
 public LawsAndRegulations add(LawsAndRegulations lawsAndRegulations) {
     lawsAndRegulations.setReleaseTime(DateUtil.now());
     lawsAndRegulations.setModifytime(lawsAndRegulations.getReleaseTime());
     super.add(lawsAndRegulations);
     return lawsAndRegulations;
 }
 @Override
 public GovPostGrade add(GovPostGrade govPostGrade) {
     super.add(govPostGrade);
     return govPostGrade;
 }
 @Override
 public Background add(Background background) {
     super.add(background);
     return background;
 }