diff --git a/domain/model/groupPower_m/family.go b/domain/model/groupPower_m/family.go
index 512503716d996632570c30cb166c63e9fe0271b8..3489bf904010d9bae39f63fb28bd640b24280695 100644
--- a/domain/model/groupPower_m/family.go
+++ b/domain/model/groupPower_m/family.go
@@ -113,16 +113,23 @@ func UpdateFamily(model *domain.Model, familyId uint64, name, nameplate, declara
 	if familyId == 0 || (name == "" && nameplate == "" && declaration == "" && icon == "") {
 		return nil
 	}
+	// 修改铭牌
+	if nameplate != "" {
+		sql := "UPDATE `group_power` a left join (SELECT ? `id` FROM group_power WHERE nameplate = ?) b on a.id = b.id SET a.`nameplate`=? where a.id=? and b.id is null;"
+		result := model.Db.Exec(sql, familyId, nameplate, nameplate, familyId)
+		if result.Error != nil {
+			return myerr.WrapErr(result.Error)
+		}
+		if result.RowsAffected <= 0 {
+			return myerr.WrapErr(bizerr.GroupPowerHaveChangeInfo)
+		}
+		return nil
+	}
 	db := model.Db.Model(GroupPower{})
 	updateMap := make(map[string]interface{})
 	if name != "" {
 		updateMap["name"] = name
 	}
-	if nameplate != "" {
-		updateMap["nameplate"] = nameplate
-		db = db.Joins("left join (SELECT ? `id` FROM group_power WHERE nameplate=?) b on a.id = b.id", familyId, nameplate).
-			Where("b.id is null")
-	}
 	if declaration != "" {
 		updateMap["declaration"] = declaration
 	}