diff --git a/src/pages/Forum/posts-detail/PostDetailPage.css b/src/pages/Forum/posts-detail/PostDetailPage.css
index c47601e..65584af 100644
--- a/src/pages/Forum/posts-detail/PostDetailPage.css
+++ b/src/pages/Forum/posts-detail/PostDetailPage.css
@@ -12,6 +12,9 @@
     max-width: 960px;
     margin: 0 auto;
     padding: 24px 32px;
+    /* 卡片居中 */
+    margin: 0 auto;
+    margin-top: 40px;
   }
   
   .post-detail h1 {
@@ -47,7 +50,7 @@
     display: flex;
     gap: 16px;
     margin-bottom: 24px;
-    margin-left: 710px;
+    justify-content: flex-end; /*靠右对齐*/
   }
   
   .icon-btn {
@@ -154,6 +157,7 @@
   }
   
   .comment-options button {
+    justify-content: flex-end; /*靠右对齐*/
     padding: 6px 14px;
     background-color: #BA929A;
     color: #fff;
@@ -161,7 +165,6 @@
     border-radius: 6px;
     font-size: 14px;
     cursor: pointer;
-    transition: background-color 0.2s ease;
   }
   
   .comment-options button:hover {
diff --git a/src/pages/Forum/posts-detail/PostDetailPage.jsx b/src/pages/Forum/posts-detail/PostDetailPage.jsx
index a272fb8..01e1648 100644
--- a/src/pages/Forum/posts-detail/PostDetailPage.jsx
+++ b/src/pages/Forum/posts-detail/PostDetailPage.jsx
@@ -4,6 +4,7 @@
 import { getPostDetail, getPostComments, likePost, unlikePost, addCommentToPost, collectPost } from './api'; // 引入你的 API 函数
 import './PostDetailPage.css';
 import { useUser } from '../../../context/UserContext'; // 注意路径
+import Header from '../../../components/Header';
 
 const PostDetailPage = () => {
   const { postId } = useParams(); // 获取帖子ID
@@ -149,6 +150,7 @@
 
   return (
     <div className="post-detail-page">
+      <Header />
       {loading ? (
         <p>加载中...</p>
       ) : errorMsg ? (