diff --git a/emrg/__init__.py b/emrg/__init__.py
index 25a589b8..19166270 100644
--- a/emrg/__init__.py
+++ b/emrg/__init__.py
@@ -1,3 +1,3 @@
 """EMRG — a self-evolving AI agent architecture."""
 
-__version__ = "0.2.0"
+__version__ = "0.2.1"
diff --git a/emrg/gui/package.json b/emrg/gui/package.json
index 331a998c..e59ebad1 100644
--- a/emrg/gui/package.json
+++ b/emrg/gui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "emrg-gui",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "EMRG GUI — Electron client for the EMRG self-evolving AI agent (Phase 3)",
   "main": "main.js",
   "scripts": {
diff --git a/packaging/make-installer.sh b/packaging/make-installer.sh
index 30241e6e..0639f7ae 100755
--- a/packaging/make-installer.sh
+++ b/packaging/make-installer.sh
@@ -170,6 +170,9 @@ AppVersion={#MyAppVersion}
 DefaultDirName={%USERPROFILE}\\.emrg\\install
 PrivilegesRequired=lowest
 PrivilegesRequiredOverridesAllowed=dialog
+; R118: ChangesEnvironment=yes — 写 HKCU\Environment\Path 后广播 WM_SETTINGCHANGE，
+; 否则 explorer 不刷新环境变量缓存，新开 cmd 也看不到更新后的 PATH（rant 2026-08-05T14:28:02）
+ChangesEnvironment=yes
 DisableProgramGroupPage=yes
 OutputDir=$DIST_WIN/artifacts
 OutputBaseFilename=EMRG-$VERSION-windows-x64
diff --git a/pyproject.toml b/pyproject.toml
index 740b9684..8e6fcff7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "emrg"
-version = "0.2.0"
+version = "0.2.1"
 description = "EMRG — a self-evolving AI agent architecture"
 requires-python = ">=3.11"
 license = { file = "LICENSE" }
diff --git a/uv.lock b/uv.lock
index 912f8ea3..cf673d90 100644
--- a/uv.lock
+++ b/uv.lock
@@ -35,7 +35,7 @@ wheels = [
 
 [[package]]
 name = "emrg"
-version = "0.2.0"
+version = "0.2.1"
 source = { editable = "." }
 dependencies = [
     { name = "httpx" },