diff --git a/domain/model/groupPower_m/group_grade.go b/domain/model/groupPower_m/group_grade.go
index faf5d1fdac54ecdd0b6ec9cc7289a03bb52a44d4..d495a99a1fa542103c773984f4ba03fb53964159 100644
--- a/domain/model/groupPower_m/group_grade.go
+++ b/domain/model/groupPower_m/group_grade.go
@@ -131,58 +131,61 @@ func GetGroupPowerOnMic(model *domain.Model, groupPowerId, userId mysql.ID) (*Gr
 const MaxMinuteTimes = 18
 
 // 增加势力上麦经验
+// 事务操作
 func IncrGroupPowerExpOnMic(model *domain.Model, groupPowerId, userId mysql.ID, joinMicTimestamp int64) error {
-	// 获取用户上麦奖励历史
-	onMicDetails, err := GetGroupPowerUserOnMicDetails(model, groupPowerId, userId)
-	if err != nil {
-		return err
-	}
-	numDetails := len(onMicDetails)
-	if numDetails >= MaxMinuteTimes {
-		// 上麦经验贡献值最多1800,1分钟100
-		return nil
-	}
-	onMic, err := GetGroupPowerOnMic(model, groupPowerId, userId)
-	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
-	}
-	var moreDetails []*GroupPowerOnMicDetail
-	totalMinuteTimes := int((onMic.Seconds + onMicSeconds) % 600) // 今天实际能加经验次数
-	if totalMinuteTimes >= MaxMinuteTimes {
-		totalMinuteTimes = MaxMinuteTimes
-	}
-	if totalMinuteTimes > numDetails {
-		for minute := numDetails + 1; minute <= totalMinuteTimes; minute++ {
-			moreDetails = append(moreDetails, &GroupPowerOnMicDetail{
-				Date:         time.Now().Format("2006-01-02"),
-				GroupPowerId: groupPowerId,
-				UserId:       userId,
-				MinuteTimes:  minute,
-			})
+	return model.Transaction(func(model *domain.Model) error {
+		// 获取用户上麦奖励历史
+		onMicDetails, err := GetGroupPowerUserOnMicDetails(model, groupPowerId, userId)
+		if err != nil {
+			return err
 		}
-	}
-	// 有更多麦上10分钟,可以加经验
-	if len(moreDetails) > 0 {
-		for _, detail := range moreDetails {
-			// 添加明细,避免重复计算
-			if err := model.DB().Model(GroupPowerOnMicDetail{}).Create(detail).Error; err != nil {
-				return err
+		numDetails := len(onMicDetails)
+		if numDetails >= MaxMinuteTimes {
+			// 上麦经验贡献值最多1800,1分钟100
+			return nil
+		}
+		onMic, err := GetGroupPowerOnMic(model, groupPowerId, userId)
+		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
+		}
+		var moreDetails []*GroupPowerOnMicDetail
+		totalMinuteTimes := int((onMic.Seconds + onMicSeconds) % 600) // 今天实际能加经验次数
+		if totalMinuteTimes >= MaxMinuteTimes {
+			totalMinuteTimes = MaxMinuteTimes
+		}
+		if totalMinuteTimes > numDetails {
+			for minute := numDetails + 1; minute <= totalMinuteTimes; minute++ {
+				moreDetails = append(moreDetails, &GroupPowerOnMicDetail{
+					Date:         time.Now().Format("2006-01-02"),
+					GroupPowerId: groupPowerId,
+					UserId:       userId,
+					MinuteTimes:  minute,
+				})
+			}
+		}
+		// 有更多麦上10分钟,可以加经验
+		if len(moreDetails) > 0 {
+			for _, detail := range moreDetails {
+				// 添加明细,避免重复计算
+				if err := model.DB().Model(GroupPowerOnMicDetail{}).Create(detail).Error; err != nil {
+					return err
+				}
+				// 每10分钟增加100点经验
+				if err := IncrGroupPowerExp(model, groupPowerId, 100); err != nil {
+					return err
+				}
 			}
-			// 每10分钟增加100点经验
-			if err := IncrGroupPowerExp(model, groupPowerId, 100); err != nil {
+			// 更新micExp信息
+			onMic.Seconds = onMic.Seconds + onMicSeconds
+			onMic.LastCalTs = joinMicTimestamp
+			if err := model.DB().Save(onMic).Error; err != nil {
 				return err
 			}
 		}
-		// 更新micExp信息
-		onMic.Seconds = onMic.Seconds + onMicSeconds
-		onMic.LastCalTs = joinMicTimestamp
-		if err := model.DB().Save(onMic).Error; err != nil {
-			return err
-		}
-	}
-	return nil
+		return nil
+	})
 }