feature：物料导入物料编码为空时生成自定义的物料编码

order-management-base-service/src/main/java/com/dxhy/order/baseservice/module/commodity/controller/CommodityController.java

@@ -483,7 +483,7 @@ public class CommodityController {
                 commodityCodeEntity.setXhfMc(xhfMc);
                 commodityCodeEntity.setXmmc(commodityExcel.getXmmc());
 
-                if(StringUtils.isBlank(commodityCodeEntity.getZxbm())){
+                if(StringUtils.isBlank(commodityExcel.getZxbm())){
                     commodityCodeEntity.setZxbm(baseService.getGenerateShotKey());
                 }else{
                     commodityCodeEntity.setZxbm(String.format("%18s", commodityExcel.getZxbm()).replace(' ', '0'));