fix:优化代码

ruoyi-modules/ruoyi-commodityManagement/src/main/java/org/dromara/commodityManagement/service/impl/BrandServiceImpl.java

@@ -65,9 +65,7 @@ public class BrandServiceImpl implements BrandService {
     public int updateBrand(BrandBo brandBo) {
         Brand brand = MapstructUtils.convert(brandBo, Brand.class);
         validEntityBeforeSave(brand);
-        QueryWrapper<Brand> qw = new QueryWrapper<>();
-        qw.eq("id", brand.getId());
-        return brandMapper.update(brand,qw);
+        return brandMapper.updateById(brand);
     }
 
     /**