erp type 优化

zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/service/erp/ErpWarehouseServiceImpl.java

@@ -56,8 +56,8 @@ public class ErpWarehouseServiceImpl implements ErpWarehouseService {
         // 插入
         ErpWarehouseDO warehouse = BeanUtils.toBean(createReqVO, ErpWarehouseDO.class);
         // 库位编码自动生成，格式 KW-0001,依次新增
-        String maxCode = erpWarehouseMapper.selectMaxCode();
         if (warehouse.getNumber() == null) {
+            String maxCode = erpWarehouseMapper.selectMaxCode();
             if (maxCode == null) {
                 warehouse.setNumber("KW-0001");
             } else {