Update README.md

l2tp/README.md

@@ -14,3 +14,19 @@ GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-s -w" -o l2tp
 ```
 $env:GOOS="linux"; $env:GOARCH="amd64"; $env:CGO_ENABLED="0"; go build -ldflags="-s -w" -o l2tp
 ```
+
+
+#### 卸载
+```
+# 停止服务
+systemctl stop xl2tpd strongswan-starter strongswan pptpd 2>/dev/null || true
+
+# 禁用开机自启
+systemctl disable xl2tpd strongswan-starter strongswan pptpd 2>/dev/null || true
+
+# 卸载
+apt purge -y xl2tpd strongswan pptpd
+
+# 确认是否停止
+ps aux | egrep 'xl2tpd|strongswan|pptpd' | grep -v grep
+```