子类目查询

ch-wx-api/src/main/java/com/wwdz/ch/wx/impl/CategoryServiceImpl.java

@@ -249,14 +249,17 @@ public class CategoryServiceImpl implements CategoryService {
     public Result findChildCategory(CategoryRequestDto dto) {
         try {
             List<Category> categoryList = new ArrayList<>();
+
+            List<Category> childList = categoryDao.queryByPids(dto.getPidList());
+            if (!CollectionUtils.isEmpty(childList)) {
+               categoryList.addAll(childList);
+            }
             List<Category> selfList = categoryDao.queryByIds(dto.getPidList());
             for (Category category : selfList) {
                 if (category.getIsLeaf()) {
                     categoryList.add(category);
                 }
             }
-            List<Category> childList = categoryDao.queryByPids(dto.getPidList());
-            categoryList.addAll(childList);
             return Result.success(categoryList);
         } catch (Exception e) {
             logger.error("查询子类目失败", e);