diff --git a/app/admin/service/dto/line_pre_order.go b/app/admin/service/dto/line_pre_order.go
index fbcbf25..2788d33 100644
--- a/app/admin/service/dto/line_pre_order.go
+++ b/app/admin/service/dto/line_pre_order.go
@@ -411,10 +411,14 @@ func (req LineBatchAddPreOrderReq) CheckParams() error {
 		return errors.New("主单减仓价格百分比不能为空")
 	}
 
-	if req.ReduceNumRatio.IsZero() {
+	if req.ReduceNumRatio.Cmp(decimal.Zero) <= 0 {
 		return errors.New("主单减仓数量百分比不能为空")
 	}
 
+	if req.ReducePriceRatio.Cmp(decimal.Zero) <= 0 || req.ReducePriceRatio.Cmp(decimal.NewFromInt(100)) >= 0 {
+		return errors.New("主单减仓价格百分比错误")
+	}
+
 	for _, v := range req.Ext {
 		name := "加仓"
 
diff --git a/app/admin/service/line_pre_order.go b/app/admin/service/line_pre_order.go
index c771b50..d1117b9 100644
--- a/app/admin/service/line_pre_order.go
+++ b/app/admin/service/line_pre_order.go
@@ -588,7 +588,10 @@ func (e *LinePreOrder) AddPreOrder(req *dto.LineAddPreOrderReq, p *actions.DataP
 			mainParam.AddPositionType = req.Ext[index].AddPositionType
 			mainParam.AddPositionVal = req.Ext[index].AddPositionVal
 
-			e.CalculateBreakEvenRatio(&mainParam, &calculateResp, tradeSet)
+			if err := e.CalculateBreakEvenRatio(&mainParam, &calculateResp, tradeSet); err != nil {
+				*errs = append(*errs, err)
+				return err
+			}
 
 			ext.TotalBefore = mainParam.RemainingQuantity    //初始数量
 			ext.TotalAfter = calculateResp.RemainingQuantity //计算后数量