fix:修改截止时间返回列表时间格式

@@ -323,7 +323,7 @@ func (cashPoolService *CashPoolService) ListExchangeCashActivityDeadline(listExc
 
 
 		var deadlines []interface{}
 		var deadlines []interface{}
 		for _, activity := range activities {
 		for _, activity := range activities {
-			deadlines = append(deadlines, activity.Deadline)
+			deadlines = append(deadlines, activity.Deadline.Format("2006-01-02"))
 		}
 		}
 
 
 		if len(deadlines) == 0 {
 		if len(deadlines) == 0 {