diff --git a/README.md b/README.md
index e87f3e1..b03ae1a 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,14 @@
 
 Slackにメッセージを送信する
 
+## Functions
+
+* Slackのチャンネルにメッセージを送信する
+  * Incoming Webhookに対応
+
+
+---
+
 ## Dev
 
 実行
@@ -12,12 +20,34 @@ go run ./cmd/slacksend
 
 ビルド
 
+
 ```sh
 go build -o slacksend ./cmd/slacksend
 ```
 
-## init
+## Init
 
 ```sh
 go mod init gitea.pglikers.com/tools/slacksen
-```
\ No newline at end of file
+```
+
+## Docs
+
+### Markdown
+
+`gomarkdoc`のInstallが必要です
+
+```sh
+go install github.com/princjef/gomarkdoc/cmd/gomarkdoc@latest
+gomarkdoc ./... > docs/api.md
+```
+
+### Webserver
+
+`pkgsite`のInstallが必要です
+
+```sh
+go install golang.org/x/pkgsite/cmd/pkgsite@latest
+pkgsite
+```
+
diff --git a/docs/api.md b/docs/api.md
new file mode 100644
index 0000000..a24a0b3
--- /dev/null
+++ b/docs/api.md
@@ -0,0 +1,13 @@
+<!-- Code generated by gomarkdoc. DO NOT EDIT -->
+
+# slacksend
+
+```go
+import "gitea.pglikers.com/tools/slacksen/cmd/slacksend"
+```
+
+## Indexv
+
+
+
+Generated by [gomarkdoc](<https://github.com/princjef/gomarkdoc>)
diff --git a/readme/dev.md b/readme/dev.md
index 1fc50af..0a6ba0a 100644
--- a/readme/dev.md
+++ b/readme/dev.md
@@ -5,3 +5,15 @@
 ```sh
 gofmt -w .
 ```
+
+## Linter (Stn)
+
+```sh
+go vet ./...
+```
+
+## Test
+
+```sh
+go test ./...
+```
\ No newline at end of file