diff --git a/README.md b/README.md
index 04768472f..698eb4fd5 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,20 @@
 <p align="center">
   <a href="https://www.hello-algo.com/">
-    <img src="https://www.hello-algo.com/index.assets/conceptual_rendering.png" width="150px">
+    <img src="https://www.hello-algo.com/index.assets/conceptual_rendering.png" width="150">
   </a>
 </p>
 
 <p align="center">
-  <a href="https://git.io/typing-svg"><img src="https://readme-typing-svg.demolab.com?font=Fira+Code&weight=600&pause=2000&color=21C8B8&center=true&vCenter=true&width=435&height=50&lines=Hello%EF%BC%8C%E7%AE%97%E6%B3%95%EF%BC%81" alt="Typing SVG" /></a>
+  <img src="https://readme-typing-svg.demolab.com?font=Long+Cang&size=25&pause=2000&color=59CBC1&center=true&vCenter=true&width=435&lines=Hello%EF%BC%8C%E7%AE%97%E6%B3%95%EF%BC%81" alt="Typing SVG" />
   </br>
-  在动画与代码中掌握数据结构与算法
+  动画图解、一键运行的数据结构与算法教程
 </p>
 
 <p align="center">
   <a href="https://www.hello-algo.com/">
     <img src="https://www.hello-algo.com/index.assets/btn_read_online_dark.png" width="150">
   </a>
+  &nbsp;
   <a href="https://github.com/krahets/hello-algo/releases">
     <img src="https://www.hello-algo.com/index.assets/btn_download_pdf_dark.png" width="150">
   </a>
diff --git a/docs/index.md b/docs/index.md
index 09dae7cdd..bfba06d87 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -13,16 +13,16 @@ hide:
 
 <h2 align="center"> 《 Hello 算法 》</h2>
 
-<p align="center"> 在动画与代码中掌握数据结构与算法 </p>
+<p align="center"> 动画图解、一键运行的数据结构与算法教程 </p>
 
 <p align="center">
   <a href="https://github.com/krahets/hello-algo">
-    <img src="index.assets/btn_download_code_light.png#only-light" width="150">
-    <img src="index.assets/btn_download_code_dark.png#only-dark" width="150">
+    <img src="index.assets/btn_download_code_light.png#only-light" width="140">
+    <img src="index.assets/btn_download_code_dark.png#only-dark" width="140">
   </a>
   <a href="https://github.com/krahets/hello-algo/releases">
-    <img src="index.assets/btn_download_pdf_light.png#only-light" width="150">
-    <img src="index.assets/btn_download_pdf_dark.png#only-dark" width="150">
+    <img src="index.assets/btn_download_pdf_light.png#only-light" width="140">
+    <img src="index.assets/btn_download_pdf_dark.png#only-dark" width="140">
   </a>
 </p>
 
diff --git a/mkdocs.yml b/mkdocs.yml
index f1aab8487..03ca1a170 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -2,7 +2,7 @@
 site_name: Hello 算法
 site_url: https://www.hello-algo.com/
 site_author: Krahets
-site_description: 在动画与代码中掌握数据结构与算法
+site_description: 动画图解、一键运行的数据结构与算法教程
 docs_dir: build
 # Repository
 repo_name: krahets/hello-algo