fix:去除活动创建时间格式化

@@ -587,7 +587,7 @@ func (cashPoolService *CashPoolService) ListExchangeCashActivity(listExchangeCas
 					"deadline": activity.Deadline.UnixNano() / 1e6,  // 秒级时间戳转换
 					"deadline": activity.Deadline.UnixNano() / 1e6,  // 秒级时间戳转换
 					"countDown": activity.CountDown,
 					"countDown": activity.CountDown,
 					"rate": activity.Rate,
 					"rate": activity.Rate,
-					"createTime": activity.CreateTime.UTC(),
+					"createTime": activity.CreateTime,
 				}
 				}
 				activitiesWithTs = append(activitiesWithTs, activityWithTs)
 				activitiesWithTs = append(activitiesWithTs, activityWithTs)
 			}
 			}