diff --git a/README.md b/README.md
index c347dea..eeb21d5 100644
--- a/README.md
+++ b/README.md
@@ -7,15 +7,15 @@ A handy tool for TAs in JI to handle works through [Gitea](https://focs.ji.sjtu.
 ### Setup venv (Optional)
 
 ```bash
-python3 -m venv env
-source env/Scripts/activate
+python3 -m venv env # you only need to do that once
+source env/Scripts/activate # each time when you need this venv
 ```
 
-### Install & Run
+### Install
 
 ```bash
 pip3 install -e .
-vi .env # configure environment
+cp .env.exmaple .env && vi .env # configure environment
 joint-teapot --help
 ```
 
diff --git a/docs/index.md b/docs/index.md
index cc0b5ff..83e9d79 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,3 +1,28 @@
-# Welcome
+# Joint Teapot
 
-In progress...
+A handy tool for TAs in JI to handle works through [Gitea](https://focs.ji.sjtu.edu.cn/git/), [Canvas](https://umjicanvas.com/), and [JOJ](https://joj.sjtu.edu.cn/). Joint is related to JI and also this tool which join websites together. Teapot means to hold Gitea, inspired by [@nichujie](https://github.com/nichujie).
+
+## Getting Started
+
+### Setup venv (Optional)
+
+```bash
+python3 -m venv env # you only need to do that once
+source env/Scripts/activate # each time when you need this venv
+```
+
+### Install
+
+```bash
+pip3 install -e .
+cp .env.exmaple .env && vi .env # configure environment
+joint-teapot --help
+```
+
+### For developers
+
+```bash
+pip3 install -r requirements-dev.txt
+pre-commit install
+pytest -svv
+```