diff --git a/Merge/back_ljc/app.py b/Merge/back_ljc/app.py
index 182a6e5..b3fb3e1 100644
--- a/Merge/back_ljc/app.py
+++ b/Merge/back_ljc/app.py
@@ -231,9 +231,9 @@
 # 更新用户信息
 @app.route('/api/user/<int:user_id>', methods=['PUT'])
 def update_user(user_id):
-    # current_user_id = session.get('user_id', 1)
-    # if current_user_id != user_id:
-    #     return jsonify({'error': 'Unauthorized'}), 403
+    current_user_id = session.get('user_id', 1)
+    if current_user_id != user_id:
+        return jsonify({'error': 'Unauthorized'}), 403
     
     user = User.query.get(user_id)
     if not user:
@@ -266,9 +266,9 @@
     if 'user_id' not in session:
         return jsonify({'error': '未登录'}), 401
     
-    # # 验证请求的用户ID与登录用户ID是否一致
-    # if session['user_id'] != user_id:
-    #     return jsonify({'error': '无权访问其他用户的收藏'}), 403
+    # 验证请求的用户ID与登录用户ID是否一致
+    if session['user_id'] != user_id:
+        return jsonify({'error': '无权访问其他用户的收藏'}), 403
     
     try:
         # 获取收藏行为及其关联的帖子
@@ -451,13 +451,13 @@
     try:
         # 计算用户的获赞总数（所有帖子的点赞数）
         like_count = db.session.query(db.func.sum(Behavior.value)).filter(
-            Behavior.user_id==user_id,
+            Behavior.post.has(user_id=user_id),
             Behavior.type == 'like'
         ).scalar() or 0
         
         # 计算用户的收藏总数（所有帖子的收藏数）
         favorite_count = db.session.query(db.func.sum(Behavior.value)).filter(
-            Behavior.user_id==user_id,
+            Behavior.post.has(user_id=user_id),
             Behavior.type == 'favorite'
         ).scalar() or 0
         
diff --git a/Merge/back_wzy/__pycache__/config.cpython-310.pyc b/Merge/back_wzy/__pycache__/config.cpython-310.pyc
index f508f8f..bd938d3 100644
--- a/Merge/back_wzy/__pycache__/config.cpython-310.pyc
+++ b/Merge/back_wzy/__pycache__/config.cpython-310.pyc
Binary files differ
diff --git a/Merge/back_wzy/config.py b/Merge/back_wzy/config.py
index 0200846..6a9bf8c 100644
--- a/Merge/back_wzy/config.py
+++ b/Merge/back_wzy/config.py
@@ -9,6 +9,4 @@
         'SQLURL'
     )
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    SQLURL = os.getenv('SQLURL')
-    # 文件上传配置
-    MAX_CONTENT_LENGTH = 2 * 1024 * 1024 * 1024  # 2GB，支持视频上传
\ No newline at end of file
+    SQLURL = os.getenv('SQLURL')
\ No newline at end of file
diff --git a/Merge/back_wzy/utils/Fpost.py b/Merge/back_wzy/utils/Fpost.py
index 2ed295f..2ffffbc 100644
--- a/Merge/back_wzy/utils/Fpost.py
+++ b/Merge/back_wzy/utils/Fpost.py
@@ -177,39 +177,19 @@
         """
         media_urls = []
         
-        # 支持的文件类型
-        ALLOWED_IMAGE_EXTENSIONS = {'.jpg', '.jpeg', '.png', '.webp'}
-        ALLOWED_VIDEO_EXTENSIONS = {'.mp4', '.mov', '.avi'}
-        ALLOWED_EXTENSIONS = ALLOWED_IMAGE_EXTENSIONS | ALLOWED_VIDEO_EXTENSIONS
-        
         for file in files:
             if file and file.filename:
                 # 生成安全的文件名
                 original_filename = secure_filename(file.filename)
                 # 生成唯一文件名避免冲突
                 unique_id = str(uuid.uuid4())
-                file_extension = os.path.splitext(original_filename)[1].lower()
-                
-                # 验证文件类型
-                if file_extension not in ALLOWED_EXTENSIONS:
-                    raise Exception(f"不支持的文件类型: {file_extension}")
-                
+                file_extension = os.path.splitext(original_filename)[1]
                 unique_filename = f"{unique_id}{file_extension}"
                 
-                # 读取文件内容（对于大文件，分块读取）
+                # 读取文件内容
                 file_content = file.read()
                 file.seek(0)  # 重置文件指针
                 
-                # 验证文件大小
-                file_size = len(file_content)
-                max_image_size = 32 * 1024 * 1024  # 32MB
-                max_video_size = 2 * 1024 * 1024 * 1024  # 2GB
-                
-                if file_extension in ALLOWED_IMAGE_EXTENSIONS and file_size > max_image_size:
-                    raise Exception(f"图片文件过大: {file_size / (1024*1024):.1f}MB，最大支持32MB")
-                elif file_extension in ALLOWED_VIDEO_EXTENSIONS and file_size > max_video_size:
-                    raise Exception(f"视频文件过大: {file_size / (1024*1024*1024):.1f}GB，最大支持2GB")
-                
                 # 保存到所有存储节点
                 success_count = 0
                 for node_path in self.storage_nodes:
diff --git a/Merge/back_wzy/utils/__pycache__/Fpost.cpython-310.pyc b/Merge/back_wzy/utils/__pycache__/Fpost.cpython-310.pyc
index 75ed484..c4b0fad 100644
--- a/Merge/back_wzy/utils/__pycache__/Fpost.cpython-310.pyc
+++ b/Merge/back_wzy/utils/__pycache__/Fpost.cpython-310.pyc
Binary files differ
diff --git a/Merge/front/src/components/HomeFeed.jsx b/Merge/front/src/components/HomeFeed.jsx
index 0f3c0fe..82e027a 100644
--- a/Merge/front/src/components/HomeFeed.jsx
+++ b/Merge/front/src/components/HomeFeed.jsx
@@ -8,7 +8,6 @@
 import { getUserInfo } from '../utils/auth'
 import { deepRecommend } from '../api/recommend_rhj'
 import postsAPI from '../api/posts_api'
-import MediaPreview from './MediaPreview'
 import '../style/HomeFeed.css'
 
 const categories = [
@@ -60,10 +59,9 @@
               title:  d.title,
               author: `作者 ${d.user_id}`,
               avatar: `https://i.pravatar.cc/40?img=${d.user_id}`,
-              media:  d.media_urls?.[0] || '', // 改为 media，支持图片和视频
+              img:    d.media_urls?.[0] || '',
               likes:  d.heat,
-              content: d.content || '',
-              mediaUrls: d.media_urls || [] // 保存所有媒体URL
+              content: d.content || ''
             }
           } catch {
             return {
@@ -71,10 +69,9 @@
               title: item.title,
               author: item.author || '佚名',
               avatar: `https://i.pravatar.cc/40?img=${item.id}`,
-              media: item.img || '',
+              img: item.img || '',
               likes: item.heat || 0,
-              content: item.content || '',
-              mediaUrls: []
+              content: item.content || ''
             }
           }
         })
@@ -104,10 +101,9 @@
               title:  d.title,
               author: `作者 ${d.user_id}`,
               avatar: `https://i.pravatar.cc/40?img=${d.user_id}`,
-              media:  d.media_urls?.[0] || '', // 改为 media，支持图片和视频
+              img:    d.media_urls?.[0] || '',
               likes:  d.heat,
-              content: d.content || '',
-              mediaUrls: d.media_urls || [] // 保存所有媒体URL
+              content: d.content || ''
             }
           } catch {
             // 拉详情失败时兜底
@@ -116,10 +112,9 @@
               title: item.title,
               author: item.author || '佚名',
               avatar: `https://i.pravatar.cc/40?img=${item.id}`,
-              media: item.img || '',
+              img: item.img || '',
               likes: item.heat || 0,
-              content: item.content || '',
-              mediaUrls: []
+              content: item.content || ''
             }
           }
         })
@@ -149,10 +144,9 @@
               title:  d.title,
               author: `作者 ${d.user_id}`,
               avatar: `https://i.pravatar.cc/40?img=${d.user_id}`,
-              media:  d.media_urls?.[0] || '', // 改为 media，支持图片和视频
+              img:    d.media_urls?.[0] || '',
               likes:  d.heat,
-              content: d.content || '',
-              mediaUrls: d.media_urls || [] // 保存所有媒体URL
+              content: d.content || ''
             }
           } catch {
             // 拉详情失败时兜底
@@ -161,10 +155,9 @@
               title: item.title,
               author: item.author || '佚名',
               avatar: `https://i.pravatar.cc/40?img=${item.id}`,
-              media: item.img || '',
+              img: item.img || '',
               likes: item.heat || 0,
-              content: item.content || '',
-              mediaUrls: []
+              content: item.content || ''
             }
           }
         })
@@ -194,10 +187,9 @@
               title:  d.title,
               author: `作者 ${d.user_id}`,
               avatar: `https://i.pravatar.cc/40?img=${d.user_id}`,
-              media:  d.media_urls?.[0] || '', // 改为 media，支持图片和视频
+              img:    d.media_urls?.[0] || '',
               likes:  d.heat,
-              content: d.content || '',
-              mediaUrls: d.media_urls || [] // 保存所有媒体URL
+              content: d.content || ''
             }
           } catch {
             return {
@@ -205,10 +197,9 @@
               title: item.title,
               author: item.author || '佚名',
               avatar: `https://i.pravatar.cc/40?img=${item.id}`,
-              media: item.img || '',
+              img: item.img || '',
               likes: item.heat || 0,
-              content: item.content || '',
-              mediaUrls: []
+              content: item.content || ''
             }
           }
         })
@@ -269,11 +260,9 @@
               id:     d.id,
               title:  d.title,
               author: `作者 ${d.user_id}`,
-              authorId: d.user_id,
-              avatar: `http://192.168.5.200:8080/static/profile.webp`,
-              media:  d.media_urls?.[0] || '', // 改为 media，支持图片和视频
-              likes:  d.heat,
-              mediaUrls: d.media_urls || [] // 保存所有媒体URL
+              // avatar: `https://i.pravatar.cc/40?img=${d.user_id}`,
+              img:    d.media_urls?.[0] || '', // 用第一张媒体作为封面
+              likes:  d.heat
             }
           })
         )
@@ -315,8 +304,6 @@
     }
   }
 
-  const [previewImg, setPreviewImg] = useState(null)
-
   const handlePostClick = (postId) => {
     navigate(`/post/${postId}`)
   }
@@ -444,20 +431,7 @@
           ) : (
             items.map(item => (
               <div key={item.id} className="feed-card" onClick={() => handlePostClick(item.id)}>
-                {item.media && (
-                  <MediaPreview
-                    url={item.media}
-                    alt={item.title}
-                    className="card-img"
-                    onClick={(url) => {
-                      // 对于图片，显示预览
-                      if (!url.toLowerCase().includes('video') && !url.includes('.mp4') && !url.includes('.webm')) {
-                        setPreviewImg(url)
-                      }
-                    }}
-                    style={{ cursor: 'pointer' }}
-                  />
-                )}
+                {item.img && <img className="card-img" src={item.img} alt={item.title} />}
                 <h3 className="card-title">{item.title}</h3>
                 {item.content && <div className="card-content">{item.content.slice(0, 60) || ''}</div>}
                 <div className="card-footer">
@@ -475,37 +449,6 @@
           )}
         </div>
       )}
-
-      {/* 图片预览弹窗 */}
-      {previewImg && (
-        <div 
-          className="img-preview-mask" 
-          style={{
-            position: 'fixed',
-            zIndex: 9999,
-            top: 0,
-            left: 0,
-            right: 0,
-            bottom: 0,
-            background: 'rgba(0,0,0,0.7)',
-            display: 'flex',
-            alignItems: 'center',
-            justifyContent: 'center'
-          }} 
-          onClick={() => setPreviewImg(null)}
-        >
-          <img 
-            src={previewImg} 
-            alt="大图预览" 
-            style={{
-              maxWidth: '90vw',
-              maxHeight: '90vh',
-              borderRadius: 12,
-              boxShadow: '0 4px 24px #0008'
-            }} 
-          />
-        </div>
-      )}
     </div>
   )
 }
diff --git a/Merge/front/src/components/MediaPreview.jsx b/Merge/front/src/components/MediaPreview.jsx
deleted file mode 100644
index 3f0c6e2..0000000
--- a/Merge/front/src/components/MediaPreview.jsx
+++ /dev/null
@@ -1,119 +0,0 @@
-import React, { useState } from 'react'
-import VideoPreview from './VideoPreview'
-import { Play } from 'lucide-react'
-
-// 判断文件是否为视频
-const isVideoFile = (url) => {
-  if (!url) return false
-  const videoExtensions = ['.mp4', '.webm', '.ogg', '.avi', '.mov', '.wmv', '.flv', '.mkv']
-  const lowerUrl = url.toLowerCase()
-  return videoExtensions.some(ext => lowerUrl.includes(ext)) || lowerUrl.includes('video')
-}
-
-// 媒体预览组件（支持图片和视频）
-const MediaPreview = ({ 
-  url, 
-  alt = '', 
-  className = '', 
-  style = {}, 
-  onClick = null,
-  showPlayIcon = true,
-  maxWidth = 220,
-  maxHeight = 220 
-}) => {
-  const [showVideoPreview, setShowVideoPreview] = useState(false)
-  
-  const handleMediaClick = () => {
-    if (isVideoFile(url)) {
-      setShowVideoPreview(true)
-    } else if (onClick) {
-      onClick(url)
-    }
-  }
-
-  const defaultStyle = {
-    maxWidth,
-    maxHeight,
-    borderRadius: 8,
-    objectFit: 'cover',
-    cursor: 'pointer',
-    ...style
-  }
-
-  if (isVideoFile(url)) {
-    return (
-      <>
-        <div style={{ position: 'relative', ...defaultStyle }} onClick={handleMediaClick}>
-          <video
-            src={url}
-            style={defaultStyle}
-            preload="metadata"
-            muted
-          />
-          {showPlayIcon && (
-            <div style={{
-              position: 'absolute',
-              top: '50%',
-              left: '50%',
-              transform: 'translate(-50%, -50%)',
-              background: 'rgba(0,0,0,0.6)',
-              borderRadius: '50%',
-              padding: 12,
-              color: 'white'
-            }}>
-              <Play size={24} fill="white" />
-            </div>
-          )}
-        </div>
-        
-        {/* 视频预览弹窗 */}
-        {showVideoPreview && (
-          <div 
-            style={{
-              position: 'fixed',
-              zIndex: 9999,
-              top: 0,
-              left: 0,
-              right: 0,
-              bottom: 0,
-              background: 'rgba(0,0,0,0.8)',
-              display: 'flex',
-              alignItems: 'center',
-              justifyContent: 'center',
-              padding: 20
-            }}
-            onClick={() => setShowVideoPreview(false)}
-          >
-            <div 
-              style={{ 
-                maxWidth: '90vw', 
-                maxHeight: '90vh', 
-                width: 'auto', 
-                height: 'auto' 
-              }}
-              onClick={(e) => e.stopPropagation()}
-            >
-              <VideoPreview
-                src={url}
-                onClose={() => setShowVideoPreview(false)}
-                style={{ borderRadius: 12, overflow: 'hidden' }}
-              />
-            </div>
-          </div>
-        )}
-      </>
-    )
-  }
-
-  return (
-    <img
-      src={url}
-      alt={alt}
-      className={className}
-      style={defaultStyle}
-      onClick={handleMediaClick}
-    />
-  )
-}
-
-export default MediaPreview
diff --git a/Merge/front/src/components/PostDetailJWLLL.jsx b/Merge/front/src/components/PostDetailJWLLL.jsx
index 01f64b5..d598a72 100644
--- a/Merge/front/src/components/PostDetailJWLLL.jsx
+++ b/Merge/front/src/components/PostDetailJWLLL.jsx
@@ -5,7 +5,6 @@
 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'
 
@@ -315,24 +314,11 @@
           </div>
         )}
 
-        {/* 帖子媒体（支持多图/多视频） */}
+        {/* 帖子图片（支持多图） */}
         {Array.isArray(post.media_urls) && post.media_urls.length > 0 && (
-          <div className="post-media" style={{display:'flex',gap:8,marginBottom:16,flexWrap:'wrap'}}>
+          <div className="post-images" style={{display:'flex',gap:8,marginBottom:16}}>
             {post.media_urls.map((url, idx) => (
-              <MediaPreview
-                key={idx}
-                url={url}
-                alt={`媒体${idx+1}`}
-                onClick={(mediaUrl) => {
-                  // 对于图片，显示预览
-                  if (!mediaUrl.toLowerCase().includes('video') && !mediaUrl.includes('.mp4') && !mediaUrl.includes('.webm')) {
-                    setPreviewImg(mediaUrl)
-                  }
-                }}
-                style={{ cursor: 'pointer' }}
-                maxWidth={320}
-                maxHeight={320}
-              />
+              <img key={idx} src={url} alt={`图片${idx+1}`} style={{maxWidth:220,maxHeight:220,borderRadius:8,objectFit:'cover',cursor:'pointer'}} onClick={() => setPreviewImg(url)} />
             ))}
           </div>
         )}
diff --git a/Merge/front/src/components/UploadPage.jsx b/Merge/front/src/components/UploadPage.jsx
index 405aeb8..817a210 100644
--- a/Merge/front/src/components/UploadPage.jsx
+++ b/Merge/front/src/components/UploadPage.jsx
@@ -170,17 +170,6 @@
                   <div className="file-thumbnail">
                     <img src={URL.createObjectURL(file)} alt={file.name} />
                   </div>
-                ) : file.type.startsWith('video/') ? (
-                  <div className="file-thumbnail video-thumbnail">
-                    <video 
-                      src={URL.createObjectURL(file)} 
-                      muted 
-                      style={{ width: '100%', height: '100%', objectFit: 'cover' }}
-                    />
-                    <div className="video-overlay">
-                      <Video size={24} />
-                    </div>
-                  </div>
                 ) : (
                   <div className="file-thumbnail video-thumbnail">
                     <Video size={24} />
diff --git a/Merge/front/src/components/UserProfile.jsx b/Merge/front/src/components/UserProfile.jsx
index 2e54fac..d6a19d9 100644
--- a/Merge/front/src/components/UserProfile.jsx
+++ b/Merge/front/src/components/UserProfile.jsx
@@ -215,7 +215,7 @@
         setLoading(true);
         
         // 获取当前登录用户
-        const currentUserRes = await getUser(userId);
+        const currentUserRes = await getCurrentUser();
         setCurrentUser(currentUserRes.data);
         
         // 获取目标用户信息
@@ -481,7 +481,6 @@
     );
   }
 
-  console.log(currentUser.id)
   const isOwnProfile = currentUser && currentUser.id === parseInt(userId);
 
   return (
diff --git a/Merge/front/src/components/VideoPreview.jsx b/Merge/front/src/components/VideoPreview.jsx
deleted file mode 100644
index 9183c11..0000000
--- a/Merge/front/src/components/VideoPreview.jsx
+++ /dev/null
@@ -1,199 +0,0 @@
-import React, { useState, useRef } from 'react'
-import { Play, Pause, Volume2, VolumeX, Maximize2, X } from 'lucide-react'
-
-const VideoPreview = ({ src, poster, onClose, className = '', style = {} }) => {
-  const videoRef = useRef(null)
-  const [isPlaying, setIsPlaying] = useState(false)
-  const [isMuted, setIsMuted] = useState(false)
-  const [isFullscreen, setIsFullscreen] = useState(false)
-  const [duration, setDuration] = useState(0)
-  const [currentTime, setCurrentTime] = useState(0)
-
-  const togglePlay = () => {
-    if (videoRef.current) {
-      if (isPlaying) {
-        videoRef.current.pause()
-      } else {
-        videoRef.current.play()
-      }
-      setIsPlaying(!isPlaying)
-    }
-  }
-
-  const toggleMute = () => {
-    if (videoRef.current) {
-      videoRef.current.muted = !isMuted
-      setIsMuted(!isMuted)
-    }
-  }
-
-  const toggleFullscreen = () => {
-    if (videoRef.current) {
-      if (!isFullscreen) {
-        if (videoRef.current.requestFullscreen) {
-          videoRef.current.requestFullscreen()
-        }
-      } else {
-        if (document.exitFullscreen) {
-          document.exitFullscreen()
-        }
-      }
-      setIsFullscreen(!isFullscreen)
-    }
-  }
-
-  const handleTimeUpdate = () => {
-    if (videoRef.current) {
-      setCurrentTime(videoRef.current.currentTime)
-    }
-  }
-
-  const handleLoadedMetadata = () => {
-    if (videoRef.current) {
-      setDuration(videoRef.current.duration)
-    }
-  }
-
-  const handleSeek = (e) => {
-    if (videoRef.current) {
-      const rect = e.currentTarget.getBoundingClientRect()
-      const clickX = e.clientX - rect.left
-      const newTime = (clickX / rect.width) * duration
-      videoRef.current.currentTime = newTime
-      setCurrentTime(newTime)
-    }
-  }
-
-  const formatTime = (time) => {
-    const minutes = Math.floor(time / 60)
-    const seconds = Math.floor(time % 60)
-    return `${minutes}:${seconds.toString().padStart(2, '0')}`
-  }
-
-  return (
-    <div className={`video-preview ${className}`} style={style}>
-      <div className="video-container" style={{ position: 'relative', borderRadius: 8, overflow: 'hidden' }}>
-        <video
-          ref={videoRef}
-          src={src}
-          poster={poster}
-          onTimeUpdate={handleTimeUpdate}
-          onLoadedMetadata={handleLoadedMetadata}
-          onPlay={() => setIsPlaying(true)}
-          onPause={() => setIsPlaying(false)}
-          style={{ width: '100%', height: '100%', objectFit: 'cover' }}
-          preload="metadata"
-        />
-        
-        {/* 视频控制层 */}
-        <div 
-          className="video-controls" 
-          style={{
-            position: 'absolute',
-            bottom: 0,
-            left: 0,
-            right: 0,
-            background: 'linear-gradient(transparent, rgba(0,0,0,0.7))',
-            padding: '20px 12px 12px',
-            opacity: 1,
-            transition: 'opacity 0.3s'
-          }}
-        >
-          {/* 进度条 */}
-          <div 
-            className="progress-bar" 
-            style={{
-              height: 4,
-              background: 'rgba(255,255,255,0.3)',
-              borderRadius: 2,
-              marginBottom: 8,
-              cursor: 'pointer'
-            }}
-            onClick={handleSeek}
-          >
-            <div 
-              style={{
-                height: '100%',
-                background: '#fff',
-                borderRadius: 2,
-                width: `${duration ? (currentTime / duration) * 100 : 0}%`,
-                transition: 'width 0.1s'
-              }}
-            />
-          </div>
-
-          {/* 控制按钮 */}
-          <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
-            <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
-              <button
-                onClick={togglePlay}
-                style={{
-                  background: 'none',
-                  border: 'none',
-                  color: 'white',
-                  cursor: 'pointer',
-                  padding: 4,
-                  borderRadius: 4
-                }}
-              >
-                {isPlaying ? <Pause size={20} /> : <Play size={20} />}
-              </button>
-              
-              <button
-                onClick={toggleMute}
-                style={{
-                  background: 'none',
-                  border: 'none',
-                  color: 'white',
-                  cursor: 'pointer',
-                  padding: 4,
-                  borderRadius: 4
-                }}
-              >
-                {isMuted ? <VolumeX size={18} /> : <Volume2 size={18} />}
-              </button>
-
-              <span style={{ color: 'white', fontSize: 12 }}>
-                {formatTime(currentTime)} / {formatTime(duration)}
-              </span>
-            </div>
-
-            <div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
-              <button
-                onClick={toggleFullscreen}
-                style={{
-                  background: 'none',
-                  border: 'none',
-                  color: 'white',
-                  cursor: 'pointer',
-                  padding: 4,
-                  borderRadius: 4
-                }}
-              >
-                <Maximize2 size={18} />
-              </button>
-
-              {onClose && (
-                <button
-                  onClick={onClose}
-                  style={{
-                    background: 'none',
-                    border: 'none',
-                    color: 'white',
-                    cursor: 'pointer',
-                    padding: 4,
-                    borderRadius: 4
-                  }}
-                >
-                  <X size={18} />
-                </button>
-              )}
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  )
-}
-
-export default VideoPreview
diff --git a/Merge/front/src/style/UploadPage.css b/Merge/front/src/style/UploadPage.css
index 70a9aea..138b0c1 100644
--- a/Merge/front/src/style/UploadPage.css
+++ b/Merge/front/src/style/UploadPage.css
@@ -68,216 +68,3 @@
 .upload-table th {
   background: #f5f5f5;
 }
-
-/* 文件预览区域 */
-.file-preview-area {
-  background: #fff;
-  border-radius: 8px;
-  padding: 20px;
-  margin-bottom: 40px;
-  border: 1px solid #e8eaed;
-}
-
-.preview-header {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  margin-bottom: 16px;
-}
-
-.preview-title {
-  font-size: 16px;
-  color: #333;
-  margin: 0;
-  font-weight: 500;
-}
-
-.clear-files-btn {
-  background: #ff4757;
-  color: white;
-  padding: 6px 12px;
-  border: none;
-  border-radius: 4px;
-  font-size: 12px;
-  cursor: pointer;
-  transition: background 0.2s;
-}
-
-.clear-files-btn:hover {
-  background: #ff3742;
-}
-
-.file-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
-  gap: 16px;
-}
-
-.file-item {
-  position: relative;
-  background: #fff;
-  border: 1px solid #e8eaed;
-  border-radius: 8px;
-  padding: 12px;
-  text-align: center;
-  transition: all 0.2s;
-}
-
-.file-item:hover {
-  border-color: #1890ff;
-  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.1);
-}
-
-.file-item:hover .remove-file-btn {
-  opacity: 1;
-}
-
-.remove-file-btn {
-  position: absolute;
-  top: 4px;
-  right: 4px;
-  background: rgba(255, 71, 87, 0.8);
-  color: white;
-  border: none;
-  border-radius: 50%;
-  width: 20px;
-  height: 20px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 14px;
-  font-weight: bold;
-  opacity: 0;
-  transition: all 0.2s;
-  cursor: pointer;
-}
-
-.file-thumbnail {
-  width: 80px;
-  height: 80px;
-  border-radius: 6px;
-  overflow: hidden;
-  margin: 0 auto 8px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  background: #f8f9fa;
-  position: relative;
-}
-
-.file-thumbnail img,
-.file-thumbnail video {
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
-}
-
-.video-thumbnail {
-  color: #666;
-  position: relative;
-}
-
-.video-overlay {
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
-  background: rgba(0, 0, 0, 0.6);
-  border-radius: 50%;
-  width: 32px;
-  height: 32px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  color: white;
-  pointer-events: none;
-}
-
-.file-info {
-  text-align: center;
-  width: 100%;
-}
-
-.file-name {
-  font-size: 12px;
-  color: #333;
-  margin-bottom: 4px;
-  font-weight: 500;
-  word-break: break-all;
-}
-
-.file-size {
-  font-size: 11px;
-  color: #999;
-}
-
-/* 进度条 */
-.progress-container {
-  margin-top: 20px;
-  width: 100%;
-  max-width: 400px;
-}
-
-.progress-bar {
-  width: 100%;
-  height: 8px;
-  background-color: #f0f0f0;
-  border-radius: 4px;
-  overflow: hidden;
-  margin-bottom: 8px;
-}
-
-.progress-fill {
-  height: 100%;
-  background: linear-gradient(90deg, #1890ff, #40a9ff);
-  transition: width 0.3s ease;
-}
-
-.progress-text {
-  text-align: center;
-  font-size: 12px;
-  color: #666;
-}
-
-/* 上传信息区域 */
-.upload-info {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
-  gap: 20px;
-  margin-top: 40px;
-}
-
-.info-item {
-  background: #f8f9fa;
-  padding: 16px;
-  border-radius: 8px;
-  text-align: center;
-}
-
-.info-title {
-  font-size: 14px;
-  color: #333;
-  margin-bottom: 8px;
-  font-weight: 500;
-}
-
-.info-desc {
-  font-size: 12px;
-  color: #666;
-  margin: 0;
-}
-
-.fade-in {
-  animation: fadeIn 0.5s ease-in;
-}
-
-@keyframes fadeIn {
-  from {
-    opacity: 0;
-    transform: translateY(10px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}