diff --git a/statistics/task/main.go b/statistics/task/main.go
index b2172b4..8cae605 100644
--- a/statistics/task/main.go
+++ b/statistics/task/main.go
@@ -39,8 +39,8 @@ var ExcelMgrSingle *ExcelMgr
 
 func run() {
 	if VP.GetBool("IsDatabaseMode") {
-		VP.Set("StartTime", common.HMSToTime(0, 0, 0).Format(time.RFC3339))
-		VP.Set("EndTime", common.HMSToTime(0, 0, 0).AddDate(0, 0, 1).Format(time.RFC3339))
+		VP.Set("StartTime", common.HMSToTime(0, 0, 0).AddDate(0, 0, -1).Format(time.RFC3339))
+		VP.Set("EndTime", common.HMSToTime(0, 0, 0).Format(time.RFC3339))
 	}
 
 	startTime, err := time.Parse(time.RFC3339, VP.GetString("StartTime"))