diff --git a/example/memo/plugin.go b/example/memo/plugin.go
index 4dcef98..6f325af 100644
--- a/example/memo/plugin.go
+++ b/example/memo/plugin.go
@@ -46,6 +46,9 @@ func (p *Plugin) Start(s *sdk.PluginSDK) error {
 	p.filePath = filepath.Join(fmt.Sprint(dataDirVal), "memos.json")
 	p.load()
 
+	// 卸载（删除）时清理备忘数据文件；重载不触发
+	s.RegisterOnRemoveHandler(p.cleanupData)
+
 	s.RegisterTool(p.tp+"create", sdk.ToolDef{
 		Name:        p.tp + "create",
 		Description: "创建一条备忘条目。备忘内容应包含具体事项的完整描述。",
@@ -272,3 +275,10 @@ func errorResult(msg string) map[string]interface{} {
 func NewPluginFactory(name string, config map[string]interface{}) (sdk.Plugin, error) {
 	return &Plugin{name: name}, nil
 }
+
+// cleanupData 卸载时清理备忘数据文件
+func (p *Plugin) cleanupData() {
+	if p.filePath != "" {
+		os.Remove(p.filePath)
+	}
+}
diff --git a/example/rss/plugin.go b/example/rss/plugin.go
index c30035a..4a703f1 100644
--- a/example/rss/plugin.go
+++ b/example/rss/plugin.go
@@ -113,6 +113,9 @@ func (p *Plugin) Start(s *sdk.PluginSDK) error {
 	os.MkdirAll(p.dataDir, 0755)
 	p.loadData()
 
+	// 卸载（删除）时清理订阅数据目录；重载不触发
+	s.RegisterOnRemoveHandler(p.cleanupData)
+
 	s.Settings().RegisterDef(sdk.ConfigDef{
 		Key: "poll_interval", Default: "30", Type: "string",
 		DisplayName: "Poll Interval", Description: "Default polling interval in minutes (default: 30)",
@@ -437,4 +440,11 @@ func (p *Plugin) saveData() {
 	os.WriteFile(p.dataFile(), b, 0644)
 }
 
+// cleanupData 卸载时清理订阅数据目录（feeds.json 等）
+func (p *Plugin) cleanupData() {
+	if p.dataDir != "" {
+		os.RemoveAll(p.dataDir)
+	}
+}
+
 
diff --git a/example/weather/plugin.go b/example/weather/plugin.go
index ccafc44..61c9c05 100644
--- a/example/weather/plugin.go
+++ b/example/weather/plugin.go
@@ -19,6 +19,7 @@ type Plugin struct {
 	sdk        *sdk.PluginSDK
 	client     *http.Client
 	defaultLoc string
+	dataDir    string
 }
 
 func NewPluginFactory(name string, config map[string]interface{}) (sdk.Plugin, error) {
@@ -48,7 +49,11 @@ func (p *Plugin) Start(s *sdk.PluginSDK) error {
 	if dataHome == "" {
 		dataHome = "/tmp"
 	}
-	os.MkdirAll(filepath.Join(dataHome, ".homeagent", "weather"), 0755)
+	p.dataDir = filepath.Join(dataHome, ".homeagent", "weather")
+	os.MkdirAll(p.dataDir, 0755)
+
+	// 卸载（删除）时清理天气缓存目录；重载不触发
+	s.RegisterOnRemoveHandler(p.cleanupData)
 
 	tp := p.name + "_"
 	s.RegisterTool(tp+"current", sdk.ToolDef{
@@ -423,3 +428,10 @@ func (p *Plugin) handleSetLocation(args map[string]interface{}) (interface{}, er
 	p.defaultLoc = loc
 	return map[string]interface{}{"content": fmt.Sprintf("Default location set to: %s", loc)}, nil
 }
+
+// cleanupData 卸载时清理天气缓存目录
+func (p *Plugin) cleanupData() {
+	if p.dataDir != "" {
+		os.RemoveAll(p.dataDir)
+	}
+}