优化pc端首页自动加载第一条数据

src/pages/pc/index.vue

@@ -118,13 +118,14 @@ const getInformationCategory = async () => {
   let res = await post("information/getInformationCategory");
   if (res.code == 0) {
     categoryList.value = res.data;
+    getSecondInformationCategory(res.data[0].id, 0);
   }
 };
 // 获取二级分类
 const getSecondInformationCategory = async (parent_id, key) => {
   let res = await post("information/getInformationCategory", { parent_id });
   if (res.code == 0) {
-    categoryList.value[key].secondCategoryList = res.data;
+    categoryList.value[key].secondCategoryList = res.data;    
   }
 };