diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ce6bd4..00d83a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
-	## 1.20.8 (Unreleased)
+	## 1.21.1 (Unreleased)
+## 1.21.0 (May 08, 2024)
+FEATURES:
+- **New Resource:** `baiducloud_abroad_cdn_domain`
+
 ## 1.20.7 (May 06, 2024)
 FEATURES:
 - baiducloud_mongodb_instance support attribute `auto_renew_length`
diff --git a/website/docs/r/abroad_cdn_domain.html.markdown b/website/docs/r/abroad_cdn_domain.html.markdown
index 12adee7..642a403 100644
--- a/website/docs/r/abroad_cdn_domain.html.markdown
+++ b/website/docs/r/abroad_cdn_domain.html.markdown
@@ -1,7 +1,7 @@
 ---
 # generated by https://github.com/hashicorp/terraform-plugin-docs
 page_title: "baiducloud_abroad_cdn_domain Resource - terraform-provider-baiducloud"
-subcategory: "CDN"
+subcategory: "Content Delivery Network (CDN) (abroad version)"
 description: |-
   Use this resource to manage abroad acceleration domain and its origin configuration.
   More information can be found in the Developer Guide https://cloud.baidu.com/doc/CDN-ABROAD/s/gjwvxiywx.