diff --git a/Nvr.go b/Nvr.go
index b9eb1f3..20d58c2 100644
--- a/Nvr.go
+++ b/Nvr.go
@@ -125,12 +125,12 @@ func (this *Nvr) CheckTimeRegionWithDay(Year, Month, Day, Channel uint16) ([]Tim
 		}
 		if state == 1000 {
 			if uint16(FindData.StruStartTime.DwDay) != Day {
-				StartTimeObj = time.Date(int(FindData.StruStartTime.DwYear), time.Month(FindData.StruStartTime.DwMonth), int(FindData.StruStartTime.DwDay), 0, 0, 0, 0, time.UTC)
+				StartTimeObj = time.Date(int(FindData.StruStartTime.DwYear), time.Month(FindData.StruStartTime.DwMonth), int(FindData.StruStartTime.DwDay+1), 0, 0, 0, 0, time.UTC)
 			} else {
 				StartTimeObj = time.Date(int(FindData.StruStartTime.DwYear), time.Month(FindData.StruStartTime.DwMonth), int(FindData.StruStartTime.DwDay), int(FindData.StruStartTime.DwHour), int(FindData.StruStartTime.DwMinute), int(FindData.StruStartTime.DwSecond), 0, time.UTC)
 			}
 			if uint16(FindData.StruStopTime.DwDay) != Day {
-				EndTimeObj = time.Date(int(FindData.StruStopTime.DwYear), time.Month(FindData.StruStopTime.DwMonth), int(FindData.StruStopTime.DwDay), 0, 0, 0, 0, time.UTC)
+				EndTimeObj = time.Date(int(FindData.StruStopTime.DwYear), time.Month(FindData.StruStopTime.DwMonth), int(FindData.StruStopTime.DwDay-1), 0, 0, 0, 0, time.UTC)
 			} else {
 				EndTimeObj = time.Date(int(FindData.StruStopTime.DwYear), time.Month(FindData.StruStopTime.DwMonth), int(FindData.StruStopTime.DwDay), int(FindData.StruStopTime.DwHour), int(FindData.StruStopTime.DwMinute), int(FindData.StruStopTime.DwSecond), 0, time.UTC)
 			}