diff --git a/CHANGELOG.md b/CHANGELOG.md
index 556f46c..771cef5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@ This file records the notable changes in each dsh-im release. Its format follows
 
 ## [Unreleased]
 
+## [2.2.1] - 2026-08-25
+
 ### Fixed / 修复
 
 - WhatsApp 开放响应模式现在会处理已绑定账号自己在群聊中发出的消息，包括只有自己的群；出站文本消息会在发送前预留消息 ID，避免机器人回复的本地回显再次触发 Harness。
@@ -290,7 +292,8 @@ This file records the notable changes in each dsh-im release. Its format follows
 - 改进 npm 发布包结构，保留 CLI 入口并避免安装脚本拦截。
   Improved npm package contents to preserve the CLI entry point and avoid install-script blocking.
 
-[Unreleased]: https://github.com/xmanrui/dsh-im/compare/v2.2.0...HEAD
+[Unreleased]: https://github.com/xmanrui/dsh-im/compare/v2.2.1...HEAD
+[2.2.1]: https://github.com/xmanrui/dsh-im/compare/v2.2.0...v2.2.1
 [2.2.0]: https://github.com/xmanrui/dsh-im/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/xmanrui/dsh-im/compare/v2.0.1...v2.1.0
 [2.0.1]: https://github.com/xmanrui/dsh-im/compare/v2.0.0...v2.0.1
diff --git a/package-lock.json b/package-lock.json
index 25c0f25..9819ad2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@xmanrui/dsh-im",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@xmanrui/dsh-im",
-      "version": "2.2.0",
+      "version": "2.2.1",
       "license": "MIT",
       "dependencies": {
         "@tencent-connect/qqbot-connector": "1.2.0",
diff --git a/package.json b/package.json
index bd62f03..ca17006 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@xmanrui/dsh-im",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "把九种 IM 机器人和公网 AI Office 接入本机 DeepSeek Harness。 Connect nine IM channels and a public AI Office to a local DeepSeek Harness.",
   "keywords": [
     "deepseek-harness",