diff --git a/lib/client.js b/lib/client.js
index f81ffc6..e220a04 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -508,7 +508,12 @@ class ClawClient {
 
   _setHostname(clawId) {
     const hostname = `claw-${clawId}`;
-    exec(`sudo hostname ${hostname}`, (err) => {
+    const cmd = [
+      `sudo hostname ${hostname}`,
+      `echo "${hostname}" | sudo tee /etc/hostname > /dev/null`,
+      `sudo sed -i 's/^127\\.0\\.1\\.1.*/127.0.1.1       ${hostname}/' /etc/hosts`,
+    ].join(' && ');
+    exec(cmd, { shell: true }, (err) => {
       if (err) {
         log.warn('clawd', `设置 hostname 失败: ${err.message}`);
       } else {
diff --git a/package.json b/package.json
index ce2792e8..7eb42cd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "clawd",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Claw Box daemon - connects local Linux box to claw.cutos.ai via WebSocket",
   "main": "lib/client.js",
   "bin": {