优化

app/mix/service/logic/vas.go

@@ -2797,7 +2797,7 @@ func (v *Vas) refundContactWechat(ctx *gin.Context, order *dbstruct.CoinOrder, r
 	}
 
 	// 给用户加回金币
-	err = v.store.IncCoins(ctx, tx, mid, costCh.GetChange())
+	err = v.store.IncCoins(ctx, tx, mid, util.AbsInt64(costCh.GetMid()))
 	if err != nil {
 		logger.Error("IncCoins fail, mid: %v, change: %v, err: %v", mid, costCh.GetChange(), err)
 		return err

app/mix/service/vasservice.go

@@ -317,10 +317,10 @@ func (s *Service) chListIncome(ctx *gin.Context, chList []*dbstruct.ConsumeHisto
 			item.Change = changeMark + fmt.Sprintf("%d钻石", chDB.GetChange())
 		case dbstruct.CHSTypeIncomeRefundMembership:
 			item.Desc = "用户会员退款"
-			item.Change = changeMark + fmt.Sprintf("%d钻石", chDB.GetChange())
+			item.Change = fmt.Sprintf("%d钻石", chDB.GetChange())
 		case dbstruct.CHSTypeIncomeRefundContactWechat:
 			item.Desc = "用户微信退款"
-			item.Change = changeMark + fmt.Sprintf("%d钻石", chDB.GetChange())
+			item.Change = fmt.Sprintf("%d钻石", chDB.GetChange())
 		}
 		list = append(list, item)
 	}

bizcommon/util/util.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"math"
 	"math/rand"
 	"reflect"
 	"service/library/logger"
@@ -135,3 +136,7 @@ func UnescapeJsonStr(s string) string {
 	s = strings.ReplaceAll(s, "\\u0026", "&")
 	return s
 }
+
+func AbsInt64(x int64) int64 {
+	return int64(math.Abs(float64(x)))
+}