diff --git a/app/main/api/internal/logic/admin_promotion/getpromotionstatstotallogic.go b/app/main/api/internal/logic/admin_promotion/getpromotionstatstotallogic.go
index 979715d..269f475 100644
--- a/app/main/api/internal/logic/admin_promotion/getpromotionstatstotallogic.go
+++ b/app/main/api/internal/logic/admin_promotion/getpromotionstatstotallogic.go
@@ -100,7 +100,8 @@ func (l *GetPromotionStatsTotalLogic) GetPromotionStatsTotal(req *types.GetPromo
 	}
 
 	// 获取今日统计数据
-	today := time.Now().Truncate(24 * time.Hour)
+	now := time.Now()
+	today := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local)
 	var todayClickCount, todayPayCount int64
 	var todayPayAmount float64
 
diff --git a/app/main/api/internal/service/adminPromotionLinkStatsService.go b/app/main/api/internal/service/adminPromotionLinkStatsService.go
index 9949d36..8285f7d 100644
--- a/app/main/api/internal/service/adminPromotionLinkStatsService.go
+++ b/app/main/api/internal/service/adminPromotionLinkStatsService.go
@@ -35,7 +35,7 @@ func NewAdminPromotionLinkStatsService(svcCtx *ServiceContext) *AdminPromotionLi
 func (s *AdminPromotionLinkStatsService) ensureTotalStats(ctx context.Context, session sqlx.Session, linkId int64) (*model.AdminPromotionLinkStatsTotal, error) {
 	totalStats, err := s.svcCtx.AdminPromotionLinkStatsTotalModel.FindOneByLinkId(ctx, linkId)
 	if err != nil {
-		if err == model.ErrNotFound {
+		if errors.Is(err, model.ErrNotFound) {
 			// 如果记录不存在，创建新记录
 			totalStats = &model.AdminPromotionLinkStatsTotal{
 				LinkId:     linkId,
@@ -63,7 +63,7 @@ func (s *AdminPromotionLinkStatsService) ensureTotalStats(ctx context.Context, s
 func (s *AdminPromotionLinkStatsService) ensureHistoryStats(ctx context.Context, session sqlx.Session, linkId int64, today time.Time) (*model.AdminPromotionLinkStatsHistory, error) {
 	historyStats, err := s.svcCtx.AdminPromotionLinkStatsHistoryModel.FindOneByLinkIdStatsDate(ctx, linkId, today)
 	if err != nil {
-		if err == model.ErrNotFound {
+		if errors.Is(err, model.ErrNotFound) {
 			// 如果记录不存在，创建新记录
 			historyStats = &model.AdminPromotionLinkStatsHistory{
 				LinkId:     linkId,
@@ -106,7 +106,8 @@ func (s *AdminPromotionLinkStatsService) UpdateLinkStats(ctx context.Context, li
 		}
 
 		// 确保历史统计记录存在
-		today := time.Now().Truncate(24 * time.Hour)
+		now := time.Now()
+		today := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local)
 		historyStats, err := s.ensureHistoryStats(ctx, session, linkId, today)
 		if err != nil {
 			return err
@@ -143,7 +144,8 @@ func (s *AdminPromotionLinkStatsService) UpdatePaymentStats(ctx context.Context,
 		}
 
 		// 确保历史统计记录存在
-		today := time.Now().Truncate(24 * time.Hour)
+		now := time.Now()
+		today := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local)
 		historyStats, err := s.ensureHistoryStats(ctx, session, linkId, today)
 		if err != nil {
 			return err
@@ -188,7 +190,8 @@ func (s *AdminPromotionLinkStatsService) CreateLinkStats(ctx context.Context, li
 		}
 
 		// 创建今日历史统计记录
-		today := time.Now().Truncate(24 * time.Hour)
+		now := time.Now()
+		today := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local)
 		historyStats := &model.AdminPromotionLinkStatsHistory{
 			LinkId:     linkId,
 			StatsDate:  today,