买券活动修改后创建时间发生变化问题修复

src/main/java/com/ctrip/fun/golf/service/basic/BuyVoucherActivityService.java

@@ -88,8 +88,10 @@ public class BuyVoucherActivityService extends
     	}
     	vo.setVoucherConfig(String.format(buyVoucherActivityConfig, vo.getVoucherIds(),DateUtil.getDateTimeStr(vo.getActivityStart()), DateUtil.getDateTimeStr(vo.getActivityEnd())));
     	vo.setMessage(String.format(buyVoucherActivityMessage,messageBuffer.subSequence(0, messageBuffer.length()-1).toString()));
-    	BuyVoucherActivity entity = new BuyVoucherActivity();
+    	BuyVoucherActivity entity = buyVoucherActivityDao.findById(vo.getId());
+    	Date creteTime = entity.getCreatedTime();
         BeanConverter.copyProperties(entity, vo);
+        entity.setCreatedTime(creteTime);
         buyVoucherActivityDao.update(entity);
     }