diff --git a/README.md b/README.md
index d76bff5..47870c3 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,12 @@ personal diary with txt style, can be private!
 |       path       |      description       |
 | :--------------: | :--------------------: |
 | `/txtdiary/data` | where posts are stored |
+
+## local run
+
+for example, using `pass` password:
+
+```sh
+$ pip install -r requirements.txt
+$ TD_USERPASS=pass FLASK_APP=src/app flask run
+```