申请编码时，在处理最大流水号时更新时间戳

 Source/UBCS/ubcs-service/ubcs-code/src/main/java/com/vci/ubcs/code/service/impl/MdmProductCodeServiceImpl.java

@@ -179,6 +179,7 @@
                        CodeSerialValue serialValueDO = serialValueDOS.get(0);
                        if(VciBaseUtil.getDouble(serialValueDO.getMaxSerial())<maxSerial){
                            serialValueDO.setMaxSerial(String.valueOf(maxSerial));
                            DefaultAttrAssimtUtil.updateDefaultAttrAssimt(serialValueDO);
                            editSerialValueList.add(serialValueDO);
                        }
                    }else{
@@ -663,6 +664,7 @@
                    //说明有
                    serialValueDO = maxSerialValueMap.get(secOid).get(unit);
                    serialValueDO.setMaxSerial(maxSerial.toString());
                    DefaultAttrAssimtUtil.updateDefaultAttrAssimt(serialValueDO);
                    editSerialValueDOList.add(serialValueDO);
                }else{
                    serialValueDO = new CodeSerialValue();