fix

server/product/internal/logic/getfittingbypidlogic.go

@@ -70,6 +70,9 @@ func (l *GetFittingByPidLogic) GetFittingByPid(req *types.GetFittingByPidReq, us
 	}
 	partIds := make([]int64, 0, len(modelList))
 	for _, v := range modelList {
+		if v.PartId == nil {
+			continue
+		}
 		partIds = append(partIds, *v.PartId)
 	}
 	//获取配件数据