diff --git a/%E7%92%B0%E5%A2%83%E6%A7%8B%E7%AF%89%E6%89%8B%E9%A0%86.md b/%E7%92%B0%E5%A2%83%E6%A7%8B%E7%AF%89%E6%89%8B%E9%A0%86.md
index fa473d7..700b970 100644
--- a/%E7%92%B0%E5%A2%83%E6%A7%8B%E7%AF%89%E6%89%8B%E9%A0%86.md
+++ b/%E7%92%B0%E5%A2%83%E6%A7%8B%E7%AF%89%E6%89%8B%E9%A0%86.md
@@ -3,6 +3,7 @@
 ### Rails
 ```bash
 bundle install
+cp config/database.sample.yml config/database.yml
 ```
 ### Gollum
 ```bash