diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 7f6fadb..26d8485 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.4.2
+current_version = 2.4.3
 commit = False
 tag = False
 allow_dirty = True
diff --git a/highlights.txt b/highlights.txt
index 8b13789..fa4e34b 100644
--- a/highlights.txt
+++ b/highlights.txt
@@ -1 +1,4 @@
-
+- 🔊 **Audio Notification System**: Play audio alerts for session updates, supports built-in and custom audio uploads
+- 📚 **Session History Management**: Local session record storage with export and cleanup functionality
+- 💾 **Input Height Memory**: Automatically save and restore textarea input height settings
+- 📋 **One-Click Copy**: Project path and session ID support click-to-copy
diff --git a/pyproject.toml b/pyproject.toml
index f0704fc..f71740f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "mcp-feedback-enhanced"
-version = "2.4.2"
+version = "2.4.3"
 description = "Enhanced MCP server for interactive user feedback and command execution in AI-assisted development, featuring Web UI with intelligent environment detection."
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/release_body.md b/release_body.md
index 53bf056..823eb3b 100644
--- a/release_body.md
+++ b/release_body.md
@@ -1,7 +1,10 @@
-# Release v2.4.2 - Web-Only Architecture Refactoring & Smart Feature Enhancement
+# Release v2.4.3 - 2025-06-14 - Session Management Refactoring & Audio Notifications
 
 ## 🌟 Key Highlights
-
+- 🔊 **Audio Notification System**: Play audio alerts for session updates, supports built-in and custom audio uploads
+- 📚 **Session History Management**: Local session record storage with export and cleanup functionality
+- 💾 **Input Height Memory**: Automatically save and restore textarea input height settings
+- 📋 **One-Click Copy**: Project path and session ID support click-to-copy
 
 ## 🌐 Detailed Release Notes
 
@@ -23,7 +26,7 @@
 uvx mcp-feedback-enhanced@latest
 
 # This specific version / 此特定版本
-uvx mcp-feedback-enhanced@v2.4.2
+uvx mcp-feedback-enhanced@v2.4.3
 ```
 
 ## 🔗 Links
diff --git a/src/mcp_feedback_enhanced/__init__.py b/src/mcp_feedback_enhanced/__init__.py
index 4bd865a..77aaae9 100644
--- a/src/mcp_feedback_enhanced/__init__.py
+++ b/src/mcp_feedback_enhanced/__init__.py
@@ -17,7 +17,7 @@ MCP Interactive Feedback Enhanced
 - 重構的模組化架構
 """
 
-__version__ = "2.4.2"
+__version__ = "2.4.3"
 __author__ = "Minidoracat"
 __email__ = "minidora0702@gmail.com"