diff --git a/docs/README.md b/docs/README.md
index a307f0a0cc2c2ba585b6e19519ec55ea1474e2ee..3ba19e7224618f55717d60568713b64d7938252e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,6 +1,7 @@
 # Build documentation with MkDocs
 
 OceanBase documentation is built with [MkDocs](https://www.mkdocs.org/). You can check [`mkdocs.yml`](mkdocs.yml) for more information.
+Please install MkDocs according to [the installation documents of MkDocs](https://www.mkdocs.org/user-guide/installation/)
 
 ## Requirements
 
@@ -8,13 +9,16 @@ Before installing dependencies, please make sure you have installed a recent ver
 
 Then you can run the following command in your terminal at current directory:
 
-    $ pip install -r requirements.txt
-
+```
+$ pip install -r requirements.txt
+```
 ## Build the documentation
 
 You can build the documentation by running the following command:
 
-    $ mkdocs build
+```
+$ mkdocs build
+```
 
 This will create a new directory to store the output files, which is `site/` by default.
 
@@ -22,8 +26,9 @@ This will create a new directory to store the output files, which is `site/` by
 
 You can start a server locally by running the following command:
 
-    $ mkdocs serve
-
+```
+$ mkdocs serve
+```
 Open up http://127.0.0.1:8000/ in your browser, and you'll see the default home page.
 
 ## Modify pages
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 382aa9a1836134e96a301e535b358b396d73e157..b4ee4e868acc96f0c62574767a89c0c09d03dbee 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -8,3 +8,4 @@ mkdocs-git-revision-date-localized-plugin
 weasyprint
 mkdocs-with-pdf
 qrcode
+mkdocs-material