diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74c74df..7841d72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,31 @@
 
 # Changelog
 
+### [Version 1.9.1](https://github.com/lobehub/chat-plugin-sdk/compare/v1.9.0...v1.9.1)
+
+<sup>Released on **2023-08-25**</sup>
+
+#### 🐛 Bug Fixes
+
+- **misc**: 修正 IPluginErrorType 类型.
+
+<br/>
+
+<details>
+<summary><kbd>Improvements and Fixes</kbd></summary>
+
+#### What's fixed
+
+- **misc**: 修正 IPluginErrorType 类型 ([52f1af7](https://github.com/lobehub/chat-plugin-sdk/commit/52f1af7))
+
+</details>
+
+<div align="right">
+
+[![](https://img.shields.io/badge/-BACK_TO_TOP-151515?style=flat-square)](#readme-top)
+
+</div>
+
 ## [Version 1.9.0](https://github.com/lobehub/chat-plugin-sdk/compare/v1.8.0...v1.9.0)
 
 <sup>Released on **2023-08-25**</sup>
diff --git a/package.json b/package.json
index f80e904..02f1068 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lobehub/chat-plugin-sdk",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Lobe Chat Plugin SDK, help you to build an amazing chat plugin for Lobe Chat",
   "keywords": [
     "lobehub",