diff --git a/front/src/UserProfile.js b/front/src/UserProfile.js
index f6ef9f4..eed84da 100644
--- a/front/src/UserProfile.js
+++ b/front/src/UserProfile.js
@@ -28,7 +28,7 @@
   const [userStats, setUserStats] = useState({
     magic: 0,
     upload: 0,
-    download: 0,
+    viptime: 0,
     ratio: 0,
   });
 
@@ -42,13 +42,18 @@
   const [exchangeResult, setExchangeResult] = useState(0);
 
   // 兑换比例
-  const exchangeRate = { uploaded: 10, downloaded: 10, vip_downloads: 100 };
+  const exchangeRate = { uploaded: 0.1, downloaded: 0.1, vip_downloads: 100 };
 
   // 用户申诉相关
   const [appealOpen, setAppealOpen] = useState(false);
   const [appealTitle, setAppealTitle] = useState('');
   const [appealFile, setAppealFile] = useState(null);
 
+  // 账号迁移相关
+  const [migrationOpen, setMigrationOpen] = useState(false);
+  const [migrationEmail, setMigrationEmail] = useState('');
+  const [migrationPassword, setMigrationPassword] = useState('');
+  const [migrationStatus, setMigrationStatus] = useState('');
   // 兑换结果计算
   React.useEffect(() => {
     if (!exchangeMagic || isNaN(exchangeMagic)) {
@@ -71,7 +76,7 @@
         const res = await fetch(`${API_BASE_URL}/api/user-profile?userid=${userid}`);
         if (res.ok) {
           const data = await res.json();
-          console.log("获取用户信息:", data);
+          // console.log("获取用户信息:", data);
           setUserInfo(data);
           setTempUserInfo(data);
         }
@@ -102,18 +107,30 @@
     };
     fetchUserSeeds();
   }, []);
-
-  // 收藏种子（示例数据）
+  // 获取收藏种子
   useEffect(() => {
-    setUserFavorites([
-      { seedid: 'fav1', title: '收藏种子1', tags: '标签A', downloadtimes: 10 },
-    ]);
+    const fetchUserFavorites = async () => {
+      const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+      const userid = match ? match[2] : null;
+      if (!userid) return;
+      try {
+        const res = await fetch(`${API_BASE_URL}/api/user-favorites?userid=${userid}`);
+        if (res.ok) {
+          const data = await res.json();
+          // console.log("获取收藏种子列表:", data);
+          setUserFavorites(data);
+        }
+      } catch (err) {
+        console.error("获取收藏种子列表失败", err);
+      }
+    };
+    fetchUserFavorites();
   }, []);
-
   // 获取活跃度
   useEffect(() => {
     const fetchUserStats = async () => {
-      const userid = "550e8400-e29b-41d4-a716-446655440000";
+      const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+      const userid = match ? match[2] : null;
       if (!userid) return;
       try {
         const res = await fetch(`${API_BASE_URL}/api/user-stats?userid=${userid}`);
@@ -171,57 +188,205 @@
   };
 
   // 邀请
-  const handleInvite = () => {
-    if (!inviteEmail) return;
+  const handleInvite = async () => {
+    if (!inviteEmail) {
+      setInviteStatus("请输入邀请邮箱");
+      return;
+    }
+    // 获取userid
+    const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+    const userid = match ? match[2] : null;
+    if (!userid) {
+      setInviteStatus("未获取到用户ID");
+      return;
+    }
     if (userInfo.invite_left <= 0) {
       setInviteStatus("邀请次数已用完");
       return;
     }
-    setInviteStatus("邀请成功！（示例，无后端）");
-    setUserInfo((prev) => ({
-      ...prev,
-      invite_left: prev.invite_left - 1,
-    }));
-    setTempUserInfo((prev) => ({
-      ...prev,
-      invite_left: prev.invite_left - 1,
-    }));
-    setInviteEmail('');
-  };
-
-  // 兑换
-  const handleExchange = () => {
+    try {
+        const res = await fetch(`${API_BASE_URL}/api/invite`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ userid, invite_email: inviteEmail }),
+      });
+      if (res.ok) {
+        const data = await res.json();
+        setInviteStatus("邀请成功");
+        // 更新剩余次数
+        const left = data.invite_left !== undefined ? data.invite_left : userInfo.invite_left - 1;
+        setUserInfo(prev => ({ ...prev, invite_left: left }));
+        setTempUserInfo(prev => ({ ...prev, invite_left: left }));
+        setInviteEmail('');
+      } else {
+        const errorText = await res.text();
+        setInviteStatus("邀请失败：" + errorText);
+      }
+    } catch (err) {
+      console.error("邀请失败", err);
+      setInviteStatus("邀请失败，请检查网络");
+    }
+  };  // 兑换
+  const handleExchange = async () => {
     const magic = Number(exchangeMagic);
     if (!magic || isNaN(magic) || magic <= 0) return;
     if (magic > userStats.magic) {
       alert("魔力值不足！");
       return;
     }
-    let newStats = { ...userStats };
-    if (exchangeType === "uploaded") {
-      newStats.upload += magic / exchangeRate.uploaded;
-    } else if (exchangeType === "downloaded") {
-      newStats.download = Math.max(0, newStats.download - magic / exchangeRate.downloaded);
-    } else if (exchangeType === "vip_downloads") {
-      newStats.vip_downloads += magic / exchangeRate.vip_downloads;
+    
+    // 检查兑换结果是否为整数
+    const calculatedExchangeResult = magic / exchangeRate[exchangeType];
+    if (!Number.isInteger(calculatedExchangeResult)) {
+      alert("兑换结果必须为整数，请调整魔力值！");
+      return;
     }
-    newStats.magic -= magic;
-    setUserStats(newStats);
-    setExchangeMagic('');
-    alert("兑换成功！（示例，无后端）");
-  };
+    
+    // 获取userid
+    const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+    const userid = match ? match[2] : null;
+    if (!userid) {
+      alert("未获取到用户ID");
+      return;
+    }
 
+    console.log("兑换请求参数:", { userid, magic, exchangeType, exchangeResult: calculatedExchangeResult });
+    try {
+      // 发送兑换请求到后端
+      const res = await fetch(`${API_BASE_URL}/api/exchange`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ 
+          userid, 
+          magic, 
+          exchangeType,
+          exchangeResult: calculatedExchangeResult
+        }),
+      });
+      // console.log("兑换请求结果:", res);
+      if (res.ok) {
+        // 兑换成功后重新获取用户数据
+        const statsRes = await fetch(`${API_BASE_URL}/api/user-stats?userid=${userid}`);
+        if (statsRes.ok) {
+          const updatedStats = await statsRes.json();
+          setUserStats(updatedStats);
+        }
+        setExchangeMagic('');
+        alert("兑换成功！");
+      } else {
+        const errorText = await res.text();
+        alert("兑换失败：" + errorText);
+      }
+    } catch (err) {
+      console.error("兑换失败", err);
+      alert("兑换失败，请检查网络");
+    }
+  };
   // 删除种子
   const handleDeleteSeed = (seedid) => {
     setUserSeeds(userSeeds.filter((s) => s.seedid !== seedid));
   };
 
+  // 取消收藏
+  const handleRemoveFavorite = async (seedid) => {
+    const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+    const userid = match ? match[2] : null;
+    if (!userid) {
+      alert('未获取到用户ID');
+      return;
+    }
+    try {
+      const res = await fetch(`${API_BASE_URL}/api/remove-favorite`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ userid, seedid }),
+      });      if (res.ok) {
+        setUserFavorites(userFavorites.filter((s) => (s.seedid || s.seed_id) !== seedid));
+        alert('已取消收藏');
+      } else {
+        alert('取消收藏失败，请重试');
+      }
+    } catch (err) {
+      console.error('取消收藏失败', err);
+      alert('取消收藏失败，请检查网络');
+    }
+  };
+
   // 申诉提交逻辑
-  const handleAppealSubmit = () => {
-    alert('申诉已提交！（示例，无后端）');
-    setAppealOpen(false);
-    setAppealTitle('');
-    setAppealFile(null);
+  const handleAppealSubmit = async () => {
+    if (!appealTitle || !appealFile) return;
+    // 获取userid
+    const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+    const userid = match ? match[2] : null;
+    if (!userid) {
+      alert('未获取到用户ID');
+      return;
+    }
+    // 构建表单数据
+    const formData = new FormData();
+    formData.append('userid', userid);
+    formData.append('content', appealTitle);
+    formData.append('file', appealFile);
+    try {
+      const res = await fetch(`${API_BASE_URL}/api/submit-appeal`, {
+        method: 'POST',
+        body: formData,
+      });
+      if (res.ok) {
+        alert('申诉已提交');
+        setAppealOpen(false);
+        setAppealTitle('');
+        setAppealFile(null);
+      } else {
+        const errorText = await res.text();
+        alert('申诉失败：' + errorText);
+      }
+    } catch (err) {
+      console.error('申诉失败', err);
+      alert('申诉失败，请检查网络');
+    }
+  };
+  // 账号迁移提交逻辑
+  const handleMigrationSubmit = async () => {
+    if (!appealFile) {
+      setMigrationStatus('请选择PDF文件');
+      return;
+    }
+    
+    // 获取当前用户ID
+    const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+    const currentUserId = match ? match[2] : null;
+    if (!currentUserId) {
+      setMigrationStatus('未获取到当前用户ID');
+      return;
+    }
+    
+    try {
+      // 构建表单数据
+      const formData = new FormData();
+      formData.append('userid', currentUserId);
+      formData.append('file', appealFile);
+      
+      const res = await fetch(`${API_BASE_URL}/api/migrate-account`, {
+        method: 'POST',
+        body: formData,
+      });
+      
+      if (res.ok) {
+        setMigrationStatus('账号迁移申请已提交，请等待管理员审核');
+        setTimeout(() => {
+          setMigrationOpen(false);
+          setAppealFile(null);
+          setMigrationStatus('');
+        }, 2000);
+      } else {
+        const errorText = await res.text();
+        setMigrationStatus('迁移失败：' + errorText);
+      }
+    } catch (err) {
+      console.error('账号迁移失败', err);
+      setMigrationStatus('迁移失败，请检查网络');
+    }
   };
 
   return (
@@ -369,20 +534,25 @@
               <MenuItem value="m">男性</MenuItem>
               <MenuItem value="f">女性</MenuItem>
             </TextField>
-          </div>
-          <div style={{ display: 'flex', gap: 16, marginTop: 24, justifyContent: 'flex-end' }}>
+          </div>          <div style={{ display: 'flex', gap: 16, marginTop: 24, justifyContent: 'flex-end' }}>
             <Button
               variant="contained"
               color="primary"
               onClick={handleSave}
-              sx={{ fontSize: 16, borderRadius: 2, padding: '10px 24px' }}
+              sx={{ fontSize: 16, borderRadius: 2, padding: '6px 12px' }}
             >保存</Button>
             <Button
               variant="contained"
               color="error"
               onClick={() => setAppealOpen(true)}
-              sx={{ fontSize: 16, borderRadius: 2, padding: '10px 24px' }}
+              sx={{ fontSize: 16, borderRadius: 2, padding: '6px 12px' }}
             >用户申诉</Button>
+            <Button
+              variant="contained"
+              color="warning"
+              onClick={() => setMigrationOpen(true)}
+              sx={{ fontSize: 16, borderRadius: 2, padding: '6px 12px' }}
+            >账号迁移</Button>
           </div>
         </div>
       </div>
@@ -432,11 +602,14 @@
               <MenuItem value="uploaded">上传量（增加）</MenuItem>
               <MenuItem value="downloaded">下载量（减少）</MenuItem>
               <MenuItem value="vip_downloads">VIP下载次数（增加）</MenuItem>
-            </TextField>
-            <span style={{ marginLeft: 8, color: '#43a047' }}>
-              可兑换：<b>{exchangeResult}</b> {exchangeType === 'vip_downloads' ? '次' : 'GB'}
-            </span>
-            <Button
+            </TextField>            <span style={{ marginLeft: 8, color: '#43a047' }}>
+              可兑换：<b>{exchangeResult}</b> {exchangeType === 'vip_downloads' ? '次' : 'MB'}
+              {!Number.isInteger(exchangeResult) && exchangeResult > 0 && (
+                <span style={{ color: '#e53935', fontSize: '12px', marginLeft: 8 }}>
+                  (结果必须为整数)
+                </span>
+              )}
+            </span><Button
               variant="contained"
               color="primary"
               onClick={handleExchange}
@@ -444,19 +617,19 @@
                 !exchangeMagic ||
                 isNaN(exchangeMagic) ||
                 Number(exchangeMagic) <= 0 ||
-                Number(exchangeMagic) > userStats.magic
+                Number(exchangeMagic) > userStats.magic ||
+                !Number.isInteger(exchangeResult)
               }
               sx={{
                 marginLeft: 2,
                 minWidth: 80,
-                background: (!exchangeMagic || isNaN(exchangeMagic) || Number(exchangeMagic) <= 0 || Number(exchangeMagic) > userStats.magic) ? '#ccc' : undefined
+                background: (!exchangeMagic || isNaN(exchangeMagic) || Number(exchangeMagic) <= 0 || Number(exchangeMagic) > userStats.magic || !Number.isInteger(exchangeResult)) ? '#ccc' : undefined
               }}
             >兑换</Button>
-          </div>
-          <div>上传量：<b style={{ color: '#43a047' }}>{userStats.upload?.toFixed(2)} GB</b></div>
-          <div>下载量：<b style={{ color: '#e53935' }}>{userStats.download?.toFixed(2)} GB</b></div>
+          </div>          <div>上传量：<b style={{ color: '#43a047' }}>{(userStats.upload / 1000000)?.toFixed(2)} MB</b></div>
+          <div>下载量：<b style={{ color: '#e53935' }}>{(userStats.download / 1000000)?.toFixed(2)} MB</b></div>
           <div>上传/下载值：<b style={{ color: '#ff9800' }}>{userStats.download === 0 ? "∞" : (userStats.upload / userStats.download).toFixed(2)}</b></div>
-          <div>VIP下载次数：<b style={{ color: '#1976d2' }}>{userStats.vip_downloads}</b></div>
+          <div>VIP下载次数：<b style={{ color: '#1976d2' }}>{userStats.viptime}</b></div>
         </div>
       </div>
       {/* 右上：个人上传种子列表 */}
@@ -509,11 +682,14 @@
                     variant="contained"
                     color="error"
                     size="small"
-                    sx={{ marginLeft: 2, borderRadius: 1, minWidth: 60 }}
-                    onClick={async e => {
+                    sx={{ marginLeft: 2, borderRadius: 1, minWidth: 60 }}                    onClick={async e => {
                       e.stopPropagation();
-                      // const userid = localStorage.getItem("userid");
-                      const userid = "550e8400-e29b-41d4-a716-446655440000"; // 示例userid
+                      const match = document.cookie.match('(^|;)\\s*userId=([^;]+)');
+                      const userid = match ? match[2] : null;
+                      if (!userid) {
+                        alert('未获取到用户ID');
+                        return;
+                      }
                       try {
                         const res = await fetch(`${API_BASE_URL}/api/delete-seed`, {
                           method: 'POST',
@@ -558,8 +734,7 @@
         }}>
           {userFavorites.length === 0 ? (
             <div style={{ color: '#b2b2b2', fontSize: 18, textAlign: 'center' }}>（暂无收藏种子）</div>
-          ) : (
-            <ul style={{ listStyle: 'none', margin: 0, padding: 0 }}>
+          ) : (            <ul style={{ listStyle: 'none', margin: 0, padding: 0 }}>
               {userFavorites.map((seed, idx) => (
                 <li
                   key={seed.seedid || idx}
@@ -570,16 +745,25 @@
                     borderBottom: idx === userFavorites.length - 1 ? 'none' : '1px solid #e0e7ff',
                     cursor: 'pointer',
                     transition: 'background 0.15s'
-                  }}
-                  onClick={e => {
-                    navigate(`/torrent/${seed.seedid}`);
+                  }}                  onClick={e => {                    if (e.target.classList.contains('remove-favorite-btn')) return;
+                    navigate(`/torrent/${seed.seedid || seed.seed_id}`);
                   }}
                   onMouseOver={e => e.currentTarget.style.background = '#f3f6ff'}
                   onMouseOut={e => e.currentTarget.style.background = ''}
                 >
-                  <span style={{ flex: 2, fontWeight: 500, color: '#1a237e', textDecoration: 'underline' }}>{seed.title}</span>
-                  <span style={{ flex: 1, color: '#5c6bc0' }}>{seed.tags}</span>
-                  <span style={{ flex: 1, color: '#ff9800', textAlign: 'right' }}>人气: {seed.downloadtimes}</span>
+                  <span style={{ flex: 2, fontWeight: 500, color: '#1a237e', textDecoration: 'underline', cursor: 'pointer' }}>{seed.seed.title}</span>
+                  <span style={{ flex: 1, color: '#5c6bc0' }}>{seed.seed.tags}</span>
+                  <span style={{ flex: 1, color: '#ff9800', textAlign: 'right' }}>人气: {seed.seed.downloadtimes}</span>
+                  <Button
+                    className="remove-favorite-btn"
+                    variant="contained"
+                    color="warning"
+                    size="small"
+                    sx={{ marginLeft: 2, borderRadius: 1, minWidth: 80 }}                    onClick={e => {
+                      e.stopPropagation();
+                      handleRemoveFavorite(seed.seedid || seed.seed_id);
+                    }}
+                  >取消收藏</Button>
                 </li>
               ))}
             </ul>
@@ -598,19 +782,66 @@
               onChange={e => setAppealTitle(e.target.value)}
               size="small"
             />
-          </div>
-          <div>
+          </div>          <div>
             <input
               type="file"
-              onChange={e => setAppealFile(e.target.files[0])}
+              accept=".pdf"
+              onChange={e => {
+                const file = e.target.files[0];
+                if (file && file.type !== 'application/pdf') {
+                  alert('请选择PDF文件');
+                  e.target.value = '';
+                  setAppealFile(null);
+                } else {
+                  setAppealFile(file);
+                }
+              }}
               style={{ marginTop: 8 }}
             />
+            <div style={{ fontSize: 12, color: '#666', marginTop: 4 }}>
+              请选择PDF文件（最大100MB）
+            </div>
           </div>
         </DialogContent>
         <DialogActions>
           <Button onClick={handleAppealSubmit} variant="contained" color="primary" disabled={!appealTitle || !appealFile}>提交</Button>
           <Button onClick={() => setAppealOpen(false)} variant="outlined">取消</Button>
         </DialogActions>
+      </Dialog>      {/* 账号迁移弹窗 */}
+      <Dialog open={migrationOpen} onClose={() => setMigrationOpen(false)}>
+        <DialogTitle>账号迁移</DialogTitle>
+        <DialogContent>
+          <div style={{ marginBottom: 16 }}>
+          </div>          <div>
+            <input
+              type="file"
+              accept=".pdf"
+              onChange={e => {
+                const file = e.target.files[0];
+                if (file && file.type !== 'application/pdf') {
+                  alert('请选择PDF文件');
+                  e.target.value = '';
+                  setAppealFile(null);
+                } else {
+                  setAppealFile(file);
+                }
+              }}
+              style={{ marginTop: 8 }}
+            />
+            <div style={{ fontSize: 12, color: '#666', marginTop: 4 }}>
+              请选择PDF文件（最大10MB）
+            </div>
+          </div>
+          {migrationStatus && (
+            <div style={{ color: migrationStatus.includes('成功') ? '#43a047' : '#e53935', fontSize: 14, marginTop: 8 }}>
+              {migrationStatus}
+            </div>
+          )}
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={handleMigrationSubmit} variant="contained" color="primary">提交迁移</Button>
+          <Button onClick={() => setMigrationOpen(false)} variant="outlined">取消</Button>
+        </DialogActions>
       </Dialog>
     </div>
   );