diff --git a/CHANGELOG.md b/CHANGELOG.md
index a055487..c205fe6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,4 +2,15 @@
 
 All notable changes to this project will be documented in this file.
 
-## [0.1.0](https://github.com/sns-sdks/go-pinterest/v0.1.0) (2022-02-08)
+## [0.1.0](https://github.com/sns-sdks/go-pinterest/v0.1.0) (2022-02-21)
+
+First release for this library, And cover all current apis.
+
+### Features
+
+- Apis for do authorize.
+- Apis for user account.
+- Apis for boards.
+- Apis for pins.
+- Apis for media.
+- Apis for ad accounts.
diff --git a/README.md b/README.md
index 9cbe112..54dcd26 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,19 @@ require github.com/sns-sdks/go-pinterest
 
 ## Usage
 
-More usage See the [`Example`](https://github.com/sns-sdks/go-pinterest/blob/main/example)
+### Authentication
+
+You can initial the client with access token.
+
+```go
+client := pinterest.NewBearerClient("Your bearer token")
+u, err := client.UserAccount.GetUserAccount("")
+fmt.Println(u, err)
+```
+
+Or you can give oauth flow by hand, You can follow the [`authorize example`](https://github.com/sns-sdks/go-pinterest/blob/main/example/authentication/main.go) 
+
+More usage detail see the [`Example`](https://github.com/sns-sdks/go-pinterest/blob/main/example)
 
 ## Features
 
@@ -23,3 +35,5 @@ More usage See the [`Example`](https://github.com/sns-sdks/go-pinterest/blob/mai
 - UserAccount
 - Boards
 - Pins
+- Media
+- AdAccounts