diff --git a/domain/model/groupPower_m/group_grade.go b/domain/model/groupPower_m/group_grade.go
index 3721a77493c6edb8d3490eddaef8f1fa81fa987a..b1d02417ae903f35a5764f5f2504a02b65b17212 100644
--- a/domain/model/groupPower_m/group_grade.go
+++ b/domain/model/groupPower_m/group_grade.go
@@ -178,10 +178,17 @@ func IncrGroupPowerExpOnMic(model *domain.Model, groupPowerId, userId mysql.ID,
 		if err != nil {
 			return err
 		}
-		onMicSeconds := time.Now().Unix() - joinMicTimestamp
-		if onMic.LastCalTs == joinMicTimestamp {
-			onMicSeconds = onMicSeconds - int64(numDetails*600) // 扣除之前加过的时间
+		nowTs := time.Now().Unix()
+		curTs := joinMicTimestamp
+		day0Ts := utils.GetZeroTime(time.Now()).Unix()
+		if joinMicTimestamp < onMic.LastCalTs {
+			curTs = onMic.LastCalTs
 		}
+		// 跨天
+		if curTs < day0Ts {
+			curTs = day0Ts
+		}
+		onMicSeconds := nowTs - curTs
 		var moreDetails []*GroupPowerOnMicDetail
 		totalMinuteTimes := int((onMic.Seconds + onMicSeconds) / 600) // 今天实际能加经验次数
 		if totalMinuteTimes >= MaxMinuteTimes {
@@ -212,12 +219,12 @@ func IncrGroupPowerExpOnMic(model *domain.Model, groupPowerId, userId mysql.ID,
 			}
 			// 更新micExp信息
 			onMic.Seconds = onMic.Seconds + onMicSeconds
-			onMic.LastCalTs = joinMicTimestamp
+			onMic.LastCalTs = nowTs
 			if err := model.DB().Model(GroupPowerOnMic{}).Clauses(clause.OnConflict{Columns: []clause.Column{{Name: "date"}, {Name: "group_power_id"}},
 				DoUpdates: clause.Assignments(
 					map[string]interface{}{
 						"seconds":     onMic.Seconds,
-						"last_cal_ts": joinMicTimestamp,
+						"last_cal_ts": nowTs,
 					},
 				)}).
 				Create(onMic).Error; err != nil {
@@ -232,15 +239,21 @@ func IncrGroupPowerExpOnMic(model *domain.Model, groupPowerId, userId mysql.ID,
 // 事务操作
 func IncrGroupPowerStarOnMic(model *domain.Model, groupPowerId, userId mysql.ID, joinMicTimestamp int64) error {
 	return model.Transaction(func(model *domain.Model) error {
+		// 月统计
 		star, err := GetGroupPowerMonthStar(model, groupPowerId, userId, groupPower_e.GroupPowerStarTypeActive)
 		curTs := joinMicTimestamp
 		nowTs := time.Now().Unix()
+		month0Ts := now.BeginningOfMonth().Unix()
 		if err != nil && err != gorm.ErrRecordNotFound {
 			return err
 		}
 		if star != nil && joinMicTimestamp < star.LastCalTs { // 加入的时间比上次计算时间小
 			curTs = star.LastCalTs
 		}
+		// 跨月
+		if curTs < month0Ts {
+			curTs = month0Ts
+		}
 		score := nowTs - curTs
 		return IncrGroupPowerMonthStarScore(model, groupPowerId, userId, groupPower_e.GroupPowerStarTypeActive, mysql.Num(score), nowTs)
 	})