diff --git a/Merge/front/src/api/api_ljc.js b/Merge/front/src/api/api_ljc.js
index 1adea99..5a30068 100644
--- a/Merge/front/src/api/api_ljc.js
+++ b/Merge/front/src/api/api_ljc.js
@@ -2,7 +2,8 @@
 import { getUserInfo } from '../utils/auth';
 
 const api = axios.create({
-  baseURL: 'http://10.126.59.25:5715/api/',
+  // baseURL: 'http://10.126.59.25:5715/api/',
+  baseURL: 'http://127.0.0.1:5715/api/',
   withCredentials: true
 });
 
@@ -15,11 +16,11 @@
 export const getFavorites = (userId) => api.get(`/user/${userId}/favorites`);
 
 // 关注相关API
-export const followUser = (followeeId) => {
-  return api.post(`/follow/${followeeId}`);
+export const followUser = (followerId,followeeId) => {
+  return api.post(`/follow/${followerId}/${followeeId}`);
 };
-export const unfollowUser = (followeeId) => {
-  return api.delete(`/follow/${followeeId}`);
+export const unfollowUser = (followerId,followeeId) => {
+  return api.delete(`/follow/${followerId}/${followeeId}`);
 };
 
 // 帖子相关API
@@ -32,5 +33,56 @@
 export const getUserInteractions = (userId) => api.get(`/user/${userId}/interactions`);
 // 获取粉丝
 export const getUserFollowers = (userId) => api.get(`/user/${userId}/followers`);
+// ================= 帖子互动API =================
+
+/**
+ * 点赞帖子
+ * @param {number} userId 用户ID
+ * @param {number} postId 帖子ID
+ * @returns 操作结果
+ */
+export const likePost = (userId, postId) => {
+  return api.post(`/users/${userId}/posts/${postId}/like`);
+};
+
+/**
+ * 取消点赞
+ * @param {number} userId 用户ID
+ * @param {number} postId 帖子ID
+ * @returns 操作结果
+ */
+export const unlikePost = (userId, postId) => {
+  return api.delete(`/users/${userId}/posts/${postId}/like`);
+};
+
+/**
+ * 收藏帖子
+ * @param {number} userId 用户ID
+ * @param {number} postId 帖子ID
+ * @returns 操作结果
+ */
+export const favoritePost = (userId, postId) => {
+  return api.post(`/users/${userId}/posts/${postId}/favorite`);
+};
+
+/**
+ * 取消收藏
+ * @param {number} userId 用户ID
+ * @param {number} postId 帖子ID
+ * @returns 操作结果
+ */
+export const unfavoritePost = (userId, postId) => {
+  return api.delete(`/users/${userId}/posts/${postId}/favorite`);
+};
+
+/**
+ * 获取当前用户对帖子的互动状态
+ * @param {number} userId 用户ID
+ * @param {number} postId 帖子ID
+ * @returns {object} { liked: boolean, favorited: boolean }
+ */
+export const getPostInteractionStatus = (userId, postId) => {
+  return api.get(`/users/${userId}/posts/${postId}/interaction-status`);
+};
 
 export default api;
\ No newline at end of file
diff --git a/Merge/front/src/components/UserProfile.jsx b/Merge/front/src/components/UserProfile.jsx
index 802c4b6..2e54fac 100644
--- a/Merge/front/src/components/UserProfile.jsx
+++ b/Merge/front/src/components/UserProfile.jsx
@@ -53,7 +53,10 @@
   Collections,
   ChevronLeft,
   ChevronRight,
-  Close
+  Close,
+  Bookmark,
+  Group,
+  People
 } from '@mui/icons-material';
 import { createTheme, ThemeProvider } from '@mui/material/styles';
 import { Link, useNavigate } from 'react-router-dom';
@@ -66,7 +69,10 @@
   followUser as followUserApi,
   unfollowUser as unfollowUserApi,
   getUserPosts,
-  getUserInteractions
+  getUserInteractions,
+  getUserFollowers,
+  getFavorites,
+  getUserFollowing
 } from '../api/api_ljc';
 import { fetchPost } from '../api/posts_wzy';
 
@@ -119,6 +125,10 @@
   const navigate = useNavigate();
   const [activeTab, setActiveTab] = useState(0);
   const [isEditing, setIsEditing] = useState(false);
+  const [favorites, setFavorites] = useState([]);
+  const [following, setFollowing] = useState([]);
+  const [followers, setFollowers] = useState([]);
+  const [follower, setFollower] = useState([]);
   const [snackbar, setSnackbar] = useState({ open: false, message: '', severity: 'success' });
   const [anchorEl, setAnchorEl] = useState(null);
   
@@ -199,29 +209,7 @@
   
   fetchInteractions();
 
-    const handleFollowUser = async (followeeId) => {
-    try {
-      await followUserApi(followeeId);
-      showSnackbar('关注成功');
-      
-      // 更新粉丝列表状态（将刚关注的用户标记为已关注）
-      // setFollowers(prev => prev.map(user => 
-      //   user.id === followeeId ? { ...user, is_following: true } : user
-      // ));
-      
-      // 更新当前用户关注数
-      if (currentUser) {
-        setCurrentUser(prev => ({
-          ...prev,
-          following_count: prev.following_count + 1
-        }));
-      }
-      
-    } catch (error) {
-      console.error('关注操作失败:', error);
-      showSnackbar('关注失败，请重试', 'error');
-    }
-  };
+   
     const fetchData = async () => {
       try {
         setLoading(true);
@@ -241,6 +229,22 @@
           birthday: profileUserRes.data.birthday || '',
           location: profileUserRes.data.location || ''
         });
+
+        if (activeTab === 1) {
+                  // 加载收藏数据
+                  const favoritesRes = await getFavorites(userId);
+                  setFavorites(favoritesRes.data);
+                } else if (activeTab === 2) {
+                  // 加载关注列表
+                  const followingRes = await getUserFollowing(userId);
+                  setFollowing(followingRes.data);
+                  console.log("following",followingRes.data)
+                }  else if (activeTab === 3) {
+                  // 加载粉丝列表
+                  const followersRes = await getUserFollowers(userId);
+                  // 
+                  setFollowers(followersRes.data.data);
+                }
         
         // 获取用户帖子
         const postsRes = await getUserPosts(userId);
@@ -283,7 +287,7 @@
     };
     
     fetchData();
-  }, [userId]);
+  }, [activeTab,userId]);
 
   // 根据标签页加载数据
   useEffect(() => {
@@ -314,18 +318,40 @@
     }
   };
 
-  const handleFollowUser = async (followeeId) => {
+  const handleFollowUser = async (userId,followeeId) => {
     try {
-      await followUserApi(followeeId);
+      await followUserApi(userId,followeeId);
       showSnackbar('关注成功');
       
-      // 更新当前用户关注数
-      if (currentUser) {
-        setCurrentUser(prev => ({
-          ...prev,
-          following_count: prev.following_count + 1
-        }));
-      }
+      // 更新粉丝列表中的关注状态
+    setFollowers(prevFollowers => 
+      prevFollowers.map(follower => 
+        follower.id === followeeId 
+          ? { ...follower, is_following: true } 
+          : follower
+      )
+    );
+    
+    // 更新当前用户的关注数
+    if (currentUser) {
+      setCurrentUser(prev => ({
+        ...prev,
+        following_count: prev.following_count + 1
+      }));
+    }
+    
+    // 如果被关注的用户是当前用户的粉丝，更新粉丝数
+    setFollowers(prevFollowers => 
+      prevFollowers.map(follower => 
+        follower.id === followeeId 
+          ? { 
+              ...follower, 
+              followers_count: follower.followers_count + 1 
+            } 
+          : follower
+      )
+    );
+    
       
     } catch (error) {
       console.error('关注操作失败:', error);
@@ -333,13 +359,27 @@
     }
   };
 
-  const handleUnfollow = async (followeeId, e) => {
-    e.stopPropagation(); // 阻止事件冒泡
+  const handleUnfollow = async (userId,followeeId, e) => {
+    // e.stopPropagation(); // 阻止事件冒泡
     
     try {
-      await unfollowUserApi(followeeId);
+      await unfollowUserApi(userId,followeeId);
       showSnackbar('已取消关注');
       
+      // 更新关注列表 - 移除取消关注的用户
+    setFollowing(prevFollowing => 
+      prevFollowing.filter(user => user.id !== followeeId)
+    );
+    
+    // 更新粉丝列表 - 更新关注状态
+    setFollowers(prevFollowers => 
+      prevFollowers.map(follower => 
+        follower.id === followeeId 
+          ? { ...follower, is_following: false } 
+          : follower
+      )
+    );
+      
       // 更新当前用户关注数
       if (currentUser) {
         setCurrentUser(prev => ({
@@ -617,52 +657,32 @@
               }}
             >
               <Tab icon={isMobile ? <Collections /> : null} label="笔记" />
+              <Tab icon={isMobile ? <Bookmark /> : null} label="收藏" />
+              <Tab icon={isMobile ? <Group /> : null} label="关注" />
+              <Tab icon={isMobile ? <People /> : null} label="粉丝" />
             </Tabs>
           </Box>
 
           {/* 内容区域 */}
           <Box sx={{ mt: 3 }}>
-            {/* 只保留笔记标签页 */}
-            <Grid container spacing={3}>
-              {tabLoading ? (
-                <Grid item xs={12} sx={{ display: 'flex', justifyContent: 'center', py: 4 }}>
-                  <CircularProgress />
-                </Grid>
-              ) : allPosts.length === 0 ? (
-                <Grid item xs={12}>
-                  <Box sx={{ 
-                    display: 'flex', 
-                    flexDirection: 'column', 
-                    alignItems: 'center', 
-                    py: 8,
-                    textAlign: 'center'
-                  }}>
-                    <Collections sx={{ fontSize: 60, color: 'grey.300', mb: 2 }} />
-                    <Typography variant="h6" sx={{ mb: 1 }}>
-                      还没有发布笔记
-                    </Typography>
-                    <Typography variant="body1" color="textSecondary" sx={{ mb: 3 }}>
-                      {isOwnProfile ? '分享你的生活点滴吧～' : '该用户还没有发布任何笔记'}
-                    </Typography>
-                    {isOwnProfile && (
-                      <Button variant="contained" color="primary">
-                        发布第一篇笔记
-                      </Button>
-                    )}
-                  </Box>
-                </Grid>
-              ) : (
-                // 显示当前页的帖子
-                posts.map((post, index) => (
-                  <Grid item xs={12} sm={6} lg={3} key={post.id}>
-                    <Card elevation={0} sx={{ 
-                      bgcolor: 'white', 
-                      borderRadius: 3,
-                      height: '100%',
-                      display: 'flex',
-                      flexDirection: 'column'
-                    }}>
-                      {/* 只有当帖子有 media_urls 时才显示图片 */}
+            
+            {activeTab === 0 && (
+              <Grid container spacing={3}>
+                {tabLoading ? (
+                  <Grid item xs={12} sx={{ display: 'flex', justifyContent: 'center', py: 4 }}>
+                    <CircularProgress />
+                  </Grid>
+                ) : posts.length > 0 ? (
+                  posts.map((post, index) => (
+                    <Grid item xs={12} sm={6} lg={3} key={post.id}>
+                      <Card elevation={0} sx={{ 
+                        bgcolor: 'white', 
+                        borderRadius: 3,
+                        height: '100%',
+                        display: 'flex',
+                        flexDirection: 'column'
+                      }}>
+                        {/* 只有当帖子有 media_urls 时才显示图片 */}
                       {post.media_urls && post.media_urls.length > 0 && (
                         <CardMedia
                           component="img"
@@ -671,63 +691,322 @@
                           alt={post.title}
                         />
                       )}
-                      <CardContent sx={{ flexGrow: 1 }}>
-                        <Typography gutterBottom variant="h6" component="div">
-                          {post.title}
-                        </Typography>
-                        <Typography variant="body2" color="text.secondary">
-                          {post.content ? post.content.substring(0, 60) + '...' : '暂无内容'}
-                        </Typography>
-                      </CardContent>
-                      <CardActions sx={{ justifyContent: 'space-between', px: 2, pb: 2 }}>
-                        <Box>
-                          <IconButton aria-label="add to favorites">
-                            <Favorite />
-                            <Typography variant="body2" sx={{ ml: 1 }}>
-                              {post.heat || Math.floor(Math.random() * 1000) + 1000}
-                            </Typography>
-                          </IconButton>
-                          <IconButton aria-label="share">
-                            <Share />
-                          </IconButton>
-                        </Box>
-                        <Chip 
-                          label={post.type === 'image' ? '图文' : post.type === 'video' ? '视频' : '文档'} 
-                          size="small" 
-                          color="primary" 
-                          variant="outlined" 
-                        />
-                      </CardActions>
-                    </Card>
+                        <CardContent sx={{ flexGrow: 1 }}>
+                          <Typography gutterBottom variant="h6" component="div">
+                            {post.title}
+                          </Typography>
+                          <Typography variant="body2" color="text.secondary">
+                            {post.content.substring(0, 60)}...
+                          </Typography>
+                        </CardContent>
+                        <CardActions sx={{ justifyContent: 'space-between', px: 2, pb: 2 }}>
+                          <Box>
+                            <IconButton aria-label="add to favorites">
+                              <Favorite />
+                              <Typography variant="body2" sx={{ ml: 1 }}>
+                                {post.heat || Math.floor(Math.random() * 1000) + 1000}
+                              </Typography>
+                            </IconButton>
+                            <IconButton aria-label="share">
+                              <Share />
+                            </IconButton>
+                          </Box>
+                          <Chip 
+                            label={post.type === 'image' ? '图文' : post.type === 'video' ? '视频' : '文档'} 
+                            size="small" 
+                            color="primary" 
+                            variant="outlined" 
+                          />
+                        </CardActions>
+                      </Card>
+                    </Grid>
+                  ))
+                ) : (
+                  <Grid item xs={12}>
+                    <Box sx={{ 
+                      display: 'flex', 
+                      flexDirection: 'column', 
+                      alignItems: 'center', 
+                      py: 8,
+                      textAlign: 'center'
+                    }}>
+                      <Collections sx={{ fontSize: 60, color: 'grey.300', mb: 2 }} />
+                      <Typography variant="h6" sx={{ mb: 1 }}>
+                        还没有发布笔记
+                      </Typography>
+                      <Typography variant="body1" color="textSecondary" sx={{ mb: 3 }}>
+                        {isOwnProfile ? '分享你的生活点滴吧～' : '该用户还没有发布任何笔记'}
+                      </Typography>
+                      {isOwnProfile && (
+                        <Button variant="contained" color="primary">
+                          发布第一篇笔记
+                        </Button>
+                      )}
+                    </Box>
                   </Grid>
-                ))
-              )}
-              
-              {/* 分页组件 */}
-              {allPosts.length > postsPerPage && (
-                <Grid item xs={12}>
-                  <Stack spacing={2} alignItems="center" sx={{ mt: 4 }}>
-                    <Typography variant="body2" color="textSecondary">
-                      共 {allPosts.length} 篇笔记，第 {currentPage} 页，共 {totalPages} 页
-                    </Typography>
-                    <Pagination 
-                      count={totalPages}
-                      page={currentPage}
-                      onChange={(event, page) => handlePageChange(page)}
-                      color="primary"
-                      size={isMobile ? "small" : "medium"}
-                      showFirstButton 
-                      showLastButton
-                      sx={{
-                        '& .MuiPaginationItem-root': {
-                          borderRadius: 2,
+                )}
+                
+                {posts.length > 0 && (
+                  <Grid item xs={12}>
+                    <Box sx={{ display: 'flex', justifyContent: 'center', mt: 3 }}>
+                      <Button 
+                        variant="outlined" 
+                        sx={{ 
+                          borderRadius: 20, 
+                          px: 4,
+                          display: 'flex',
+                          alignItems: 'center'
+                        }}
+                      >
+                        <ChevronLeft sx={{ mr: 1 }} />
+                        上一页
+                        <ChevronRight sx={{ ml: 2 }} />
+                      </Button>
+                    </Box>
+                  </Grid>
+                )}
+              </Grid>
+            )}
+            
+            {activeTab === 1 && (
+              <Grid container spacing={3}>
+                {tabLoading ? (
+                  <Grid item xs={12} sx={{ display: 'flex', justifyContent: 'center', py: 4 }}>
+                    <CircularProgress />
+                  </Grid>
+                ) : favorites.length > 0 ? (
+                  favorites.map((favorite) => (
+                    <Grid item xs={12} sm={6} md={4} lg={3} key={favorite.id}>
+                      <Card elevation={0} sx={{ 
+                        bgcolor: 'white', 
+                        borderRadius: 3,
+                        transition: 'transform 0.3s, box-shadow 0.3s',
+                        '&:hover': {
+                          transform: 'translateY(-5px)',
+                          boxShadow: 3
                         }
-                      }}
-                    />
-                  </Stack>
-                </Grid>
-              )}
-            </Grid>
+                      }}>
+                        <Box sx={{ 
+                          height: 160, 
+                          position: 'relative',
+                          borderTopLeftRadius: 16,
+                          borderTopRightRadius: 16,
+                          overflow: 'hidden'
+                        }}>
+                          <CardMedia
+                            component="img"
+                            height="160"
+                            image={`https://source.unsplash.com/random/400x300?${favorite.id}`}
+                            alt={favorite.title}
+                          />
+                          <Box sx={{
+                            position: 'absolute',
+                            top: 8,
+                            right: 8,
+                            bgcolor: 'rgba(0,0,0,0.6)',
+                            color: 'white',
+                            px: 1,
+                            py: 0.5,
+                            borderRadius: 4,
+                            fontSize: 12
+                          }}>
+                            {favorite.type === 'image' ? '图文' : favorite.type === 'video' ? '视频' : '文档'}
+                          </Box>
+                        </Box>
+                        <CardContent>
+                          <Typography gutterBottom variant="subtitle1" fontWeight="medium">
+                            {favorite.title}
+                          </Typography>
+                          <Box sx={{ display: 'flex', justifyContent: 'space-between' }}>
+                            <Box sx={{ display: 'flex', alignItems: 'center' }}>
+                              <Favorite fontSize="small" color="error" />
+                              <Typography variant="body2" sx={{ ml: 0.5 }}>
+                                {favorite.heat || Math.floor(Math.random() * 1000) + 1000}
+                              </Typography>
+                            </Box>
+                            <Box sx={{ display: 'flex', alignItems: 'center' }}>
+                              <Bookmark fontSize="small" color="primary" />
+                              <Typography variant="body2" sx={{ ml: 0.5 }}>
+                                {Math.floor(Math.random() * 500) + 100}
+                              </Typography>
+                            </Box>
+                          </Box>
+                        </CardContent>
+                      </Card>
+                    </Grid>
+                  ))
+                ) : (
+                  <Grid item xs={12}>
+                    <Box sx={{ 
+                      display: 'flex', 
+                      flexDirection: 'column', 
+                      alignItems: 'center', 
+                      py: 8,
+                      textAlign: 'center'
+                    }}>
+                      <Bookmark sx={{ fontSize: 60, color: 'grey.300', mb: 2 }} />
+                      <Typography variant="h6" sx={{ mb: 1 }}>
+                        {isOwnProfile ? '你还没有收藏内容' : '该用户没有收藏内容'}
+                      </Typography>
+                      <Typography variant="body1" color="textSecondary">
+                        {isOwnProfile ? '看到喜欢的笔记可以收藏起来哦～' : ''}
+                      </Typography>
+                    </Box>
+                  </Grid>
+                )}
+              </Grid>
+            )}
+            
+            {activeTab === 2 && (
+  <Grid container spacing={3}>
+    {tabLoading ? (
+      <Grid item xs={12} sx={{ display: 'flex', justifyContent: 'center', py: 4 }}>
+        <CircularProgress />
+      </Grid>
+    ) : following.length > 0 ? (
+      following.map((follow) => (
+        <Grid item xs={12} sm={6} md={4} key={follow.id}>
+          <Paper 
+            elevation={0} 
+            sx={{ 
+              bgcolor: 'white', 
+              borderRadius: 3,
+              p: 2,
+              display: 'flex',
+              alignItems: 'center',
+              cursor: 'pointer',
+              '&:hover': {
+                boxShadow: 1
+              }
+            }}
+            onClick={() => navigateToUserProfile(follow.id)}
+          >
+            <Avatar 
+              src={follow.avatar || 'https://randomuser.me/api/portraits/men/22.jpg'} 
+              sx={{ width: 60, height: 60 }} 
+            />
+            <Box sx={{ ml: 2, flexGrow: 1 }}>
+              <Typography fontWeight="medium">{follow.username}</Typography>
+              <Typography variant="body2" color="textSecondary">
+                {follow.followers_count || Math.floor(Math.random() * 100) + 10} 粉丝
+              </Typography>
+            </Box>
+            {isOwnProfile && (
+              <Button 
+                variant="outlined" 
+                size="small"
+                sx={{ borderRadius: 20 }}
+                onClick={(e) => {
+                  e.stopPropagation();
+                  handleUnfollow(userId,follow.id);
+                }}
+              >
+                已关注
+              </Button>
+            )}
+          </Paper>
+        </Grid>
+      ))
+    ) : (
+      <Grid item xs={12}>
+        <Box sx={{ 
+          display: 'flex', 
+          flexDirection: 'column', 
+          alignItems: 'center', 
+          py: 8,
+          textAlign: 'center'
+        }}>
+          <Group sx={{ fontSize: 60, color: 'grey.300', mb: 2 }} />
+          <Typography variant="h6" sx={{ mb: 1 }}>
+            {isOwnProfile ? '你还没有关注任何人' : '该用户还没有关注任何人'}
+          </Typography>
+          <Typography variant="body1" color="textSecondary">
+            {isOwnProfile ? '发现有趣的人并关注他们吧～' : ''}
+          </Typography>
+        </Box>
+      </Grid>
+    )}
+  </Grid>
+            )}
+            {activeTab === 3 && (
+              <Grid container spacing={3}>
+                {tabLoading ? (
+                  <Grid item xs={12} sx={{ display: 'flex', justifyContent: 'center', py: 4 }}>
+                    <CircularProgress />
+                  </Grid>
+                ) : followers.length > 0 ? (
+                  followers.map((follower) => (
+                    <Grid item xs={12} sm={6} md={4} key={follower.id}>
+                      <Paper 
+                        elevation={0} 
+                        sx={{ 
+                          bgcolor: 'white', 
+                          borderRadius: 3,
+                          p: 2,
+                          display: 'flex',
+                          alignItems: 'center',
+                          cursor: 'pointer',
+                          '&:hover': {
+                            boxShadow: 1
+                          }
+                        }}
+                        onClick={() => navigateToUserProfile(follower.id)}
+                      >
+                        <Avatar 
+                          src={follower.avatar || 'https://randomuser.me/api/portraits/men/22.jpg'} 
+                          sx={{ width: 60, height: 60 }} 
+                        />
+                        <Box sx={{ ml: 2, flexGrow: 1 }}>
+                          <Typography fontWeight="medium">{follower.username}</Typography>
+                          <Typography variant="body2" color="textSecondary">
+                            {follower.bio || '暂无简介'}
+                          </Typography>
+                          <Typography variant="body2" color="textSecondary">
+                            {follower.followers_count} 粉丝
+                          </Typography>
+                        </Box>
+                        {currentUser && currentUser.id !== follower.id && (
+                          <Button 
+                            variant={follower.is_following ? "outlined" : "contained"}
+                            color="primary"
+                            size="small"
+                            sx={{ borderRadius: 20 }}
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              if (follower.is_following) {
+                                handleUnfollow(userId,follower.id);
+                              } else {
+                                handleFollowUser(userId,follower.id);
+                              }
+                            }}
+                          >
+                            {follower.is_following ? '已关注' : '关注'}
+                          </Button>
+                        )}
+                      </Paper>
+                    </Grid>
+                  ))
+                ) : (
+                  <Grid item xs={12}>
+                    <Box sx={{ 
+                      display: 'flex', 
+                      flexDirection: 'column', 
+                      alignItems: 'center', 
+                      py: 8,
+                      textAlign: 'center'
+                    }}>
+                      <People sx={{ fontSize: 60, color: 'grey.300', mb: 2 }} />
+                      <Typography variant="h6" sx={{ mb: 1 }}>
+                        {isOwnProfile ? '你还没有粉丝' : '该用户还没有粉丝'}
+                      </Typography>
+                      <Typography variant="body1" color="textSecondary">
+                        {isOwnProfile ? '分享更多内容来吸引粉丝吧～' : ''}
+                      </Typography>
+                    </Box>
+                  </Grid>
+                )}
+              </Grid>
+            )}
           </Box>
         </Container>