diff --git a/src/pages/posts/[...slug].astro b/src/pages/posts/[...slug].astro
index d6016b7..1c7c8b2 100644
--- a/src/pages/posts/[...slug].astro
+++ b/src/pages/posts/[...slug].astro
@@ -141,7 +141,7 @@ const jsonLd = {
     <link rel="stylesheet" href="https://ai.zhheo.com/static/public/tianli_gpt.min.css">
     <script is:inline>
         // 1. 定义配置参数
-        window.tianliGPT_postSelector = '.markdown-content';
+        window.tianliGPT_postSelector = '#post-container';
         window.tianliGPT_postURL = '*/posts/*'; // 确保你的网址结构里真的有 /posts/
         window.tianliGPT_wordLimit = 700;
         window.tianliGPT_typingAnimate = false;