diff --git a/skills/baoyu-post-to-x/SKILL.md b/skills/baoyu-post-to-x/SKILL.md
index 6d3f0a5..8c45457 100644
--- a/skills/baoyu-post-to-x/SKILL.md
+++ b/skills/baoyu-post-to-x/SKILL.md
@@ -1,7 +1,7 @@
 ---
 name: baoyu-post-to-x
 description: Posts content and articles to X (Twitter). Supports regular posts with images/videos and X Articles (long-form Markdown). Uses real Chrome with CDP to bypass anti-automation. Use when user asks to "post to X", "tweet", "publish to Twitter", or "share on X".
-version: 1.56.1
+version: 1.56.2
 metadata:
   openclaw:
     homepage: https://github.com/JimLiu/baoyu-skills#baoyu-post-to-x
diff --git a/skills/baoyu-post-to-x/scripts/md-to-html.ts b/skills/baoyu-post-to-x/scripts/md-to-html.ts
index cff3ef4..77fb331 100644
--- a/skills/baoyu-post-to-x/scripts/md-to-html.ts
+++ b/skills/baoyu-post-to-x/scripts/md-to-html.ts
@@ -5,6 +5,7 @@ import os from 'node:os';
 import path from 'node:path';
 import process from 'node:process';
 import { createHash } from 'node:crypto';
+import { pathToFileURL } from 'node:url';
 
 import frontMatter from 'front-matter';
 import hljs from 'highlight.js/lib/common';
@@ -458,7 +459,9 @@ async function main(): Promise<void> {
   }
 }
 
-await main().catch((err) => {
-  console.error(`Error: ${err instanceof Error ? err.message : String(err)}`);
-  process.exit(1);
-});
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
+  await main().catch((err) => {
+    console.error(`Error: ${err instanceof Error ? err.message : String(err)}`);
+    process.exit(1);
+  });
+}