refactor(biji-qianduan): 优化错误处理和数据赋值

- 移除了多余的错误处理代码
- 优化了 searchMarkdown 函数的返回值处理- 删除了不必要的空行和分号

biji-qianduan/src/components/HomePage.vue

@@ -457,11 +457,9 @@ const fetchGroupings = async () => {
     const allCategories = await groupingAll("");
     categoryTree.value = buildTree(allCategories || []);
   } catch (error) {
-    console.error('获取分组失败:', error);
-    ElMessage.error('获取分组失败: ' + error.message);
     categoryTree.value = [];
   }
-};
+}
 
 const selectFile = async (data) => {
   try {
@@ -864,7 +862,7 @@ const handleSearch = async () => {
   }
   try {
     const response = await searchMarkdown(searchKeyword.value);
-    groupMarkdownFiles.value = response.data || [];
+    groupMarkdownFiles.value = response || [];
   } catch (error) {
     ElMessage.error('搜索失败: ' + error.message);
   }