diff --git a/README.md b/README.md
index 5b0d45c..b86a93b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,25 @@
 # 210-seat
 
+## Overview
+一個抽籤選座位程式。先生成一張隨機座位表，再根據所有人輸入的需求進行移動，以達到較為公平的結果。
+
+## Envirnoment
+ * Node.js with mongodb installed
+ * Python 3.X
+ 
+## Run
+ ```bash
+cd web
+npm install
+npm start
+```
+
+### Export
+`node export.js`
+
+### Run requirements
+```bash
+cd ../cli
+python seats.py run
+```
+Result will be saved in `seats.txt`.