diff --git a/server/product/internal/logic/getproductsteppricelogic.go b/server/product/internal/logic/getproductsteppricelogic.go
index 2dba7044..42868264 100644
--- a/server/product/internal/logic/getproductsteppricelogic.go
+++ b/server/product/internal/logic/getproductsteppricelogic.go
@@ -82,11 +82,13 @@ func (l *GetProductStepPriceLogic) GetProductStepPrice(req *types.GetProductStep
 	mapRsp := make(map[string]interface{})
 	for _, modelInfo := range modelPriceList {
 		var stepPrice gmodel.StepPriceJsonStruct
-		if modelInfo.StepPrice != nil {
-			if err = json.Unmarshal(*modelInfo.StepPrice, &stepPrice); err != nil {
-				logx.Error(err)
-				return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse step price json")
-			}
+		//没有设置阶梯价格
+		if modelInfo.StepPrice == nil || len(*modelInfo.StepPrice) == 0 {
+			continue
+		}
+		if err = json.Unmarshal(*modelInfo.StepPrice, &stepPrice); err != nil {
+			logx.Error(err)
+			return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse step price json")
 		}
 		*modelInfo.PartList = strings.Trim(*modelInfo.PartList, ",")
 		mapFittingUnit := make(map[string]interface{})