fix: 修复采购订单新增修改，报错

yuan

2026-07-15 e9fb84276805a01d6e665bc04b0999c842433d55

 src/main/java/com/ruoyi/technology/bean/vo/TechnologyBomStructureVo.java

@@ -23,5 +23,8 @@
    @Schema(description = "规格型号")
    private String model;

    @Schema(description = "产品编码")
    private String productCode;

    private List<TechnologyBomStructureVo> children;
}