diff --git a/.gitignore b/.gitignore
index 3bd709d..87e1fb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,4 +19,4 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 
-from_name_to_code
\ No newline at end of file
+tools
\ No newline at end of file
diff --git a/src/components/HomepageFeatures/index.js b/src/components/HomepageFeatures/index.js
index acc7621..9aa5ba1 100644
--- a/src/components/HomepageFeatures/index.js
+++ b/src/components/HomepageFeatures/index.js
@@ -4,32 +4,29 @@ import styles from './styles.module.css';
 
 const FeatureList = [
   {
-    title: 'Easy to Use',
+    title: '这是什么？',
     Svg: require('@site/static/img/undraw_docusaurus_mountain.svg').default,
     description: (
       <>
-        Docusaurus was designed from the ground up to be easily installed and
-        used to get your website up and running quickly.
+        课栈是一群 ECNU 学生自发组织与构建的课程资料共享项目，为的是收集与整合学校各专业、课程的学习资料，以帮助后来的学生更好地度过学校生活。
       </>
     ),
   },
   {
-    title: 'Focus on What Matters',
+    title: '怎么使用？',
     Svg: require('@site/static/img/undraw_docusaurus_tree.svg').default,
     description: (
       <>
-        Docusaurus lets you focus on your docs, and we&apos;ll do the chores. Go
-        ahead and move your docs into the <code>docs</code> directory.
+        使用左上角查阅目录，寻找自己希望查询的课程以浏览。或者右上角直接搜索课程、专业名称或关键字。如果缺少想要的资料，还请等待后续更新，或者将自己的资料上传上来，敬请期待。
       </>
     ),
   },
   {
-    title: 'Powered by React',
+    title: '我也有资料想要贡献！',
     Svg: require('@site/static/img/undraw_docusaurus_react.svg').default,
     description: (
       <>
-        Extend or customize your website layout by reusing React. Docusaurus can
-        be extended while reusing the same header and footer.
+        如果您会使用Github的话，可以在我们的仓库中新建issue与PR提交。如果不便使用，还可以联系zy1834576129@outlook.com，以“课栈资料贡献：[学院][专业][课程]”的格式作为主题发送邮件，我们自己整理上传。
       </>
     ),
   },