diff --git a/Merge/front/src/components/PostDetailJWLLL.jsx b/Merge/front/src/components/PostDetailJWLLL.jsx
index d598a72..01f64b5 100644
--- a/Merge/front/src/components/PostDetailJWLLL.jsx
+++ b/Merge/front/src/components/PostDetailJWLLL.jsx
@@ -5,6 +5,7 @@
 import { getUserInfo } from '../utils/auth'
 import FollowButton from './FollowButton'
 import postsAPI from '../api/posts_api'
+import MediaPreview from './MediaPreview'
 import '../style/PostDetail.css'
 import dayjs from 'dayjs'
 
@@ -314,11 +315,24 @@
           </div>
         )}
 
-        {/* 帖子图片（支持多图） */}
+        {/* 帖子媒体（支持多图/多视频） */}
         {Array.isArray(post.media_urls) && post.media_urls.length > 0 && (
-          <div className="post-images" style={{display:'flex',gap:8,marginBottom:16}}>
+          <div className="post-media" style={{display:'flex',gap:8,marginBottom:16,flexWrap:'wrap'}}>
             {post.media_urls.map((url, idx) => (
-              <img key={idx} src={url} alt={`图片${idx+1}`} style={{maxWidth:220,maxHeight:220,borderRadius:8,objectFit:'cover',cursor:'pointer'}} onClick={() => setPreviewImg(url)} />
+              <MediaPreview
+                key={idx}
+                url={url}
+                alt={`媒体${idx+1}`}
+                onClick={(mediaUrl) => {
+                  // 对于图片，显示预览
+                  if (!mediaUrl.toLowerCase().includes('video') && !mediaUrl.includes('.mp4') && !mediaUrl.includes('.webm')) {
+                    setPreviewImg(mediaUrl)
+                  }
+                }}
+                style={{ cursor: 'pointer' }}
+                maxWidth={320}
+                maxHeight={320}
+              />
             ))}
           </div>
         )}