diff --git a/domain/model/groupPower_m/group_grade.go b/domain/model/groupPower_m/group_grade.go
index 04a7ec74e75f2e56fbaf35256454f8d5404adae1..698f795a256d6824a1dcd57fb57273003002c87e 100644
--- a/domain/model/groupPower_m/group_grade.go
+++ b/domain/model/groupPower_m/group_grade.go
@@ -229,14 +229,15 @@ func IncrGroupPowerStarOnMic(model *domain.Model, groupPowerId, userId mysql.ID,
 	return model.Transaction(func(model *domain.Model) error {
 		star, err := GetGroupPowerMonthStar(model, groupPowerId, userId, groupPower_e.GroupPowerStarTypeActive)
 		curTs := joinMicTimestamp
+		nowTs := time.Now().Unix()
 		if err != nil && err != gorm.ErrRecordNotFound {
 			return err
 		}
 		if star != nil && joinMicTimestamp == star.LastCalTs {
 			curTs = star.LastCalTs
 		}
-		score := time.Now().Unix() - curTs
-		return IncrGroupPowerMonthStarScore(model, groupPowerId, userId, groupPower_e.GroupPowerStarTypeActive, mysql.Num(score), curTs)
+		score := nowTs - curTs
+		return IncrGroupPowerMonthStarScore(model, groupPowerId, userId, groupPower_e.GroupPowerStarTypeActive, mysql.Num(score), nowTs)
 	})
 }