diff --git a/.changes/pre.json b/.changes/pre.json
index 47b271a..9c4d8e1 100644
--- a/.changes/pre.json
+++ b/.changes/pre.json
@@ -13,10 +13,13 @@
     ".changes/fix-utils-build.md",
     ".changes/memo-bubble-list.md",
     ".changes/optimize-callback.md",
+    ".changes/optimize-markdown.md",
     ".changes/optimize-sender-button.md",
     ".changes/optimize-sender-input.md",
+    ".changes/optimize-use-chat.md",
     ".changes/optimize-usechat.md",
     ".changes/refactor-bubble-list.md",
+    ".changes/refactor-bubble.md",
     ".changes/sender-enforce.md"
   ]
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90a3649..12bbdc8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## \[0.1.0-rc.0]
+
+### New Features
+
+- [`421dc74`](https://github.com/DevCloudFE/matechat-react/commit/421dc74f39f24c00801d336dce5fbbdf6830d7f5) Optimize markdown component in `Bubble`, customize link, heading and code. Support copy button for code blocks.
+- [`3869f95`](https://github.com/DevCloudFE/matechat-react/commit/3869f9554a87df0925f61350753ead20876f93ec) Optimize behavior of `useChat`:
+
+  - Add `throwOnEmptyBackend` option to `useChat` function.
+  - Throw an error when `backend` is nullish and `throwOnEmptyBackend` is `true`.
+  - Rename `isPending`to`pending` in `useChat` return value.
+  - Allow empty `backend` in `useChat` function.
+
+### Refactors
+
+- [`162bad9`](https://github.com/DevCloudFE/matechat-react/commit/162bad95fc1277a259b7490a5d59e1baa93891fe) Extract all markdown components and resolve code lints.
+
 ## \[0.1.0-beta.3]
 
 ### Performance Improvements
diff --git a/package.json b/package.json
index 62968bb..115586a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@matechat/react",
-  "version": "0.1.0-beta.3",
+  "version": "0.1.0-rc.0",
   "packageManager": "pnpm@10.13.1",
   "description": "Front-end AI scenario solution UI library based on Huawei DevUI Design.",
   "type": "module",