fix:修改更新活动时倒计时计算

@@ -485,6 +485,12 @@ func (cashPoolService *CashPoolService) GetExchangeCashActivity(getExchangeCashA
 		Deadline: activity.Deadline,
 	}
 
+	// 倒计时结束
+	if t2.Before(t1) {
+		updateExchangeCashActivity.CountDown = 0
+		updateExchangeCashActivity.Deadline = activity.Deadline
+	}
+
 	if err := activity.Update(tool_funs.SimpleStructToMap(updateExchangeCashActivity)); err != nil {
 		return nil, application.ThrowError(application.BUSINESS_ERROR, err.Error())
 	}
@@ -681,6 +687,20 @@ func (cashPoolService *CashPoolService) UpdateExchangeCashActivity(updateExchang
 		updateExchangeCashActivityCommand.ExchangedCash = updateExchangeCashActivityCommand.ExchangeRate * activity.ExchangedSuMoney
 	}
 
+	var timeNow = time.Now()
+	var deadline = updateExchangeCashActivityCommand.Deadline
+	var t1 = time.Date(timeNow.Year(), timeNow.Month(), timeNow.Day(), 0, 0, 0, 0, time.Local)
+	var t2 = time.Date(deadline.Year(), deadline.Month(), deadline.Day(), 0, 0, 0, 0, time.Local)
+
+	// 计算倒计时
+	updateExchangeCashActivityCommand.CountDown = int64(t2.Sub(t1).Hours() / 24)
+
+	// 倒计时结束
+	if t2.Before(t1) {
+		updateExchangeCashActivityCommand.CountDown = 0
+		updateExchangeCashActivityCommand.Deadline = activity.Deadline
+	}
+
 	if err := activity.Update(tool_funs.SimpleStructToMap(updateExchangeCashActivityCommand)); err != nil {
 		return nil, application.ThrowError(application.BUSINESS_ERROR, err.Error())
 	}