diff --git a/app/src/main/java/com/aiosman/ravenow/entity/Moment.kt b/app/src/main/java/com/aiosman/ravenow/entity/Moment.kt
index 9d301ce..e757ed9 100644
--- a/app/src/main/java/com/aiosman/ravenow/entity/Moment.kt
+++ b/app/src/main/java/com/aiosman/ravenow/entity/Moment.kt
@@ -410,7 +410,16 @@ class MomentLoader : DataLoader<MomentEntity,MomentLoaderExtraArgs>() {
     fun updateMomentLike(id: Int,isLike:Boolean) {
         this.list = this.list.map { momentItem ->
             if (momentItem.id == id) {
-                momentItem.copy(likeCount = momentItem.likeCount + if (isLike) 1 else -1, liked = isLike)
+                // 只有当状态发生变化时才更新计数，避免重复更新
+                val countDelta = if (momentItem.liked != isLike) {
+                    if (isLike) 1 else -1
+                } else {
+                    0
+                }
+                momentItem.copy(
+                    likeCount = (momentItem.likeCount + countDelta).coerceAtLeast(0),
+                    liked = isLike
+                )
             } else {
                 momentItem
             }
@@ -421,7 +430,16 @@ class MomentLoader : DataLoader<MomentEntity,MomentLoaderExtraArgs>() {
     fun updateFavoriteCount(id: Int,isFavorite:Boolean) {
         this.list = this.list.map { momentItem ->
             if (momentItem.id == id) {
-                momentItem.copy(favoriteCount = momentItem.favoriteCount + if (isFavorite) 1 else -1, isFavorite = isFavorite)
+                // 只有当状态发生变化时才更新计数，避免重复更新
+                val countDelta = if (momentItem.isFavorite != isFavorite) {
+                    if (isFavorite) 1 else -1
+                } else {
+                    0
+                }
+                momentItem.copy(
+                    favoriteCount = (momentItem.favoriteCount + countDelta).coerceAtLeast(0),
+                    isFavorite = isFavorite
+                )
             } else {
                 momentItem
             }
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/comment/CommentModal.kt b/app/src/main/java/com/aiosman/ravenow/ui/comment/CommentModal.kt
index 253d650..4f69723 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/comment/CommentModal.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/comment/CommentModal.kt
@@ -208,7 +208,9 @@ fun CommentModalContent(
                 fontSize = 14.sp,
                 color = AppColors.secondaryText
             )
-            OrderSelectionComponent {
+            OrderSelectionComponent(
+                selectedOrder = commentViewModel.order
+            ) {
                 commentViewModel.order = it
                 commentViewModel.reloadComment()
             }
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/BaseMomentModel.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/BaseMomentModel.kt
index a8a4d7b..2ec21cb 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/BaseMomentModel.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/BaseMomentModel.kt
@@ -64,12 +64,36 @@ open class BaseMomentModel :ViewModel(){
         momentLoader.updateMomentLike(event.postId, event.isLike)
     }
     suspend fun likeMoment(id: Int) {
+        // 获取当前动态信息，用于计算新的点赞数
+        val currentMoment = momentLoader.list.find { it.id == id }
+        val newLikeCount = (currentMoment?.likeCount ?: 0) + 1
+        
         momentService.likeMoment(id)
-        momentLoader.updateMomentLike(id, true)
+        
+        // 只发送事件，让事件订阅者统一处理更新，避免重复更新
+        EventBus.getDefault().post(
+            MomentLikeChangeEvent(
+                postId = id,
+                likeCount = newLikeCount,
+                isLike = true
+            )
+        )
     }
     suspend fun dislikeMoment(id: Int) {
+        // 获取当前动态信息，用于计算新的点赞数
+        val currentMoment = momentLoader.list.find { it.id == id }
+        val newLikeCount = ((currentMoment?.likeCount ?: 0) - 1).coerceAtLeast(0)
+        
         momentService.dislikeMoment(id)
-        momentLoader.updateMomentLike(id, false)
+        
+        // 只发送事件，让事件订阅者统一处理更新，避免重复更新
+        EventBus.getDefault().post(
+            MomentLikeChangeEvent(
+                postId = id,
+                likeCount = newLikeCount,
+                isLike = false
+            )
+        )
     }
 
 
@@ -90,14 +114,27 @@ open class BaseMomentModel :ViewModel(){
 
     suspend fun favoriteMoment(id: Int) {
         momentService.favoriteMoment(id)
-        momentLoader.updateFavoriteCount(id, true)
+        
+        // 只发送事件，让事件订阅者统一处理更新，避免重复更新
+        EventBus.getDefault().post(
+            MomentFavouriteChangeEvent(
+                postId = id,
+                isFavourite = true
+            )
+        )
     }
 
 
     suspend fun unfavoriteMoment(id: Int) {
         momentService.unfavoriteMoment(id)
-        momentLoader.updateFavoriteCount(id, false)
-
+        
+        // 只发送事件，让事件订阅者统一处理更新，避免重复更新
+        EventBus.getDefault().post(
+            MomentFavouriteChangeEvent(
+                postId = id,
+                isFavourite = false
+            )
+        )
     }
 
     @Subscribe
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt
index caa0c46..b6b79e2 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/moment/tabs/news/NewsCommentModal.kt
@@ -226,7 +226,9 @@ fun NewsCommentModal(
                     .fillMaxWidth(),
                 horizontalArrangement = Arrangement.End
             ) {
-                OrderSelectionComponent {
+                OrderSelectionComponent(
+                    selectedOrder = commentViewModel.order
+                ) {
                     commentViewModel.order = it
                     commentViewModel.reloadComment()
                 }
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/ProfileV3.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/ProfileV3.kt
index 3a01909..f6449b2 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/ProfileV3.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/ProfileV3.kt
@@ -52,6 +52,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
@@ -59,6 +60,8 @@ import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.input.nestedscroll.NestedScrollSource
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.positionInRoot
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.painterResource
@@ -85,6 +88,8 @@ import com.aiosman.ravenow.ui.index.IndexViewModel
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.GalleryGrid
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.GroupChatEmptyContent
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.OtherProfileAction
+import com.aiosman.ravenow.ui.index.tabs.profile.composable.SegmentedControl
+import com.aiosman.ravenow.ui.index.tabs.profile.composable.AgentSegmentedControl
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.UserAgentsList
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.UserAgentsRow
 import com.aiosman.ravenow.ui.index.tabs.profile.composable.UserContentPageIndicator
@@ -168,6 +173,33 @@ fun ProfileV3(
         initialFirstVisibleItemScrollOffset = model.profileGridFirstVisibleItemOffset
     )
     val scrollState = rememberScrollState(model.profileScrollOffset)
+    var tabIndicatorContentOffset by remember { mutableStateOf<Float?>(null) }
+    var tabIndicatorHeightPx by remember { mutableStateOf(0) }
+    val topNavigationBarHeightPx = with(density) { (statusBarPaddingValues.calculateTopPadding() + 56.dp).toPx() }
+    val stickyTopPadding = statusBarPaddingValues.calculateTopPadding() + 56.dp
+    var agentSegmentOffset by remember { mutableStateOf<Float?>(null) }
+    var agentSegmentHeightPx by remember { mutableStateOf(0) }
+    var groupSegmentOffset by remember { mutableStateOf<Float?>(null) }
+    var groupSegmentHeightPx by remember { mutableStateOf(0) }
+    var agentSegmentSelected by remember { mutableStateOf(0) }
+    var groupSegmentSelected by remember { mutableStateOf(0) }
+    val tabIndicatorHeightDp = with(density) { tabIndicatorHeightPx.toDp() }
+    val tabBarBottomPx = topNavigationBarHeightPx + tabIndicatorHeightPx
+    val tabBarBottomPadding = stickyTopPadding + tabIndicatorHeightDp
+    val tabStickyThreshold = remember(tabIndicatorContentOffset, topNavigationBarHeightPx) {
+        tabIndicatorContentOffset?.minus(topNavigationBarHeightPx)
+    }
+    val agentSegmentThreshold = remember(agentSegmentOffset, tabBarBottomPx) {
+        agentSegmentOffset?.minus(tabBarBottomPx)
+    }
+    val groupSegmentThreshold = remember(groupSegmentOffset, tabBarBottomPx) {
+        groupSegmentOffset?.minus(tabBarBottomPx)
+    }
+    val agentTabIndex = if (isAiAccount) -1 else 1
+    val groupTabIndex = if (isAiAccount) 1 else 2
+    val shouldStickTabBar = tabStickyThreshold?.let { scrollState.value >= it } ?: false
+    val shouldStickAgentSegments = isSelf && !isAiAccount && agentSegmentThreshold?.let { scrollState.value >= it } == true && pagerState.currentPage == agentTabIndex
+    val shouldStickGroupSegments = isSelf && groupSegmentThreshold?.let { scrollState.value >= it } == true && pagerState.currentPage == groupTabIndex
     val externalOwnerSessionId = remember(isSelf, profile?.chatAIId, profile?.trtcUserId) {
         if (isSelf) {
             null
@@ -500,10 +532,19 @@ fun ProfileV3(
                     .background(AppColors.profileBackground)
                     .padding(top = 8.dp)
             ) {
-                UserContentPageIndicator(
-                    pagerState = pagerState,
-                    showAgentTab = !isAiAccount
-                )
+                Box(
+                    modifier = Modifier
+                        .onGloballyPositioned { coordinates ->
+                            tabIndicatorHeightPx = coordinates.size.height
+                            tabIndicatorContentOffset = coordinates.positionInRoot().y + scrollState.value
+                        }
+                        .alpha(if (shouldStickTabBar) 0f else 1f)
+                ) {
+                    UserContentPageIndicator(
+                        pagerState = pagerState,
+                        showAgentTab = !isAiAccount
+                    )
+                }
                 HorizontalPager(
                     state = pagerState,
                     modifier = Modifier.height(650.dp) // 固定滚动高度
@@ -542,7 +583,15 @@ fun ProfileV3(
                                     modifier = Modifier.fillMaxSize(),
                                     state = listState,
                                     nestedScrollConnection = nestedScrollConnection,
-                                    showSegments = isSelf // 只有查看自己的主页时才显示分段控制器
+                                    showSegments = isSelf, // 只有查看自己的主页时才显示分段控制器
+                                    segmentSelectedIndex = agentSegmentSelected,
+                                    onSegmentSelected = { agentSegmentSelected = it },
+                                    onSegmentMeasured = { offset, height ->
+                                        agentSegmentOffset = offset
+                                        agentSegmentHeightPx = height
+                                    },
+                                    isSegmentSticky = shouldStickAgentSegments,
+                                    parentScrollProvider = { scrollState.value }
                                 )
                             } else {
                                 // 查看其他用户的主页时，传递该用户的会话ID以显示其创建的群聊；查看自己的主页时传递null
@@ -551,7 +600,15 @@ fun ProfileV3(
                                     listState = groupChatListState,
                                     nestedScrollConnection = nestedScrollConnection,
                                     ownerSessionId = externalOwnerSessionId,
-                                    showSegments = isSelf // 只有查看自己的主页时才显示分段控制器
+                                    showSegments = isSelf, // 只有查看自己的主页时才显示分段控制器
+                                    selectedSegmentIndex = groupSegmentSelected,
+                                    onSegmentSelected = { groupSegmentSelected = it },
+                                    onSegmentMeasured = { offset, height ->
+                                        groupSegmentOffset = offset
+                                        groupSegmentHeightPx = height
+                                    },
+                                    isSegmentSticky = shouldStickGroupSegments,
+                                    parentScrollProvider = { scrollState.value }
                                 )
                             }
                         }
@@ -563,7 +620,15 @@ fun ProfileV3(
                                     listState = groupChatListState,
                                     nestedScrollConnection = nestedScrollConnection,
                                     ownerSessionId = externalOwnerSessionId,
-                                    showSegments = isSelf // 只有查看自己的主页时才显示分段控制器
+                                    showSegments = isSelf, // 只有查看自己的主页时才显示分段控制器
+                                    selectedSegmentIndex = groupSegmentSelected,
+                                    onSegmentSelected = { groupSegmentSelected = it },
+                                    onSegmentMeasured = { offset, height ->
+                                        groupSegmentOffset = offset
+                                        groupSegmentHeightPx = height
+                                    },
+                                    isSegmentSticky = shouldStickGroupSegments,
+                                    parentScrollProvider = { scrollState.value }
                                 )
                             }
                         }
@@ -575,6 +640,55 @@ fun ProfileV3(
             Spacer(modifier = Modifier.height(16.dp))
         }
 
+        if (shouldStickTabBar && tabIndicatorHeightPx > 0) {
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .align(Alignment.TopCenter)
+                    .padding(top = stickyTopPadding)
+                    .background(AppColors.profileBackground)
+            ) {
+                UserContentPageIndicator(
+                    pagerState = pagerState,
+                    showAgentTab = !isAiAccount
+                )
+            }
+        }
+
+        if (shouldStickAgentSegments && agentSegmentHeightPx > 0) {
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .align(Alignment.TopCenter)
+                    .padding(top = tabBarBottomPadding)
+                    .background(AppColors.profileBackground)
+                    .padding(horizontal = 16.dp)
+            ) {
+                AgentSegmentedControl(
+                    selectedIndex = agentSegmentSelected,
+                    onSegmentSelected = { agentSegmentSelected = it },
+                    modifier = Modifier.fillMaxWidth()
+                )
+            }
+        }
+
+        if (shouldStickGroupSegments && groupSegmentHeightPx > 0) {
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .align(Alignment.TopCenter)
+                    .padding(top = tabBarBottomPadding)
+                    .background(AppColors.profileBackground)
+                    .padding(horizontal = 16.dp)
+            ) {
+                SegmentedControl(
+                    selectedIndex = groupSegmentSelected,
+                    onSegmentSelected = { groupSegmentSelected = it },
+                    modifier = Modifier.fillMaxWidth()
+                )
+            }
+        }
+
         // 顶部导航栏
         TopNavigationBar(
             isMain = isMain,
@@ -673,14 +787,24 @@ private fun GroupChatPlaceholder(
     listState: androidx.compose.foundation.lazy.LazyListState,
     nestedScrollConnection: NestedScrollConnection? = null,
     ownerSessionId: String? = null, // 创建者用户ID（ChatAIID），用于过滤特定创建者的房间。如果为null，则显示当前用户创建或加入的房间
-    showSegments: Boolean = true // 是否显示分段控制器（全部、公开、私有）
+    showSegments: Boolean = true,
+    selectedSegmentIndex: Int = 0,
+    onSegmentSelected: (Int) -> Unit = {},
+    onSegmentMeasured: ((Float, Int) -> Unit)? = null,
+    isSegmentSticky: Boolean = false,
+    parentScrollProvider: () -> Int = { 0 }
 ) {
     GroupChatEmptyContent(
         modifier = modifier,
         listState = listState,
         nestedScrollConnection = nestedScrollConnection,
         ownerSessionId = ownerSessionId,
-        showSegments = showSegments
+        showSegments = showSegments,
+        selectedSegmentIndex = selectedSegmentIndex,
+        onSegmentSelected = onSegmentSelected,
+        onSegmentMeasured = onSegmentMeasured,
+        isSegmentSticky = isSegmentSticky,
+        parentScrollProvider = parentScrollProvider
     )
 }
 
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/GroupChatEmptyContent.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/GroupChatEmptyContent.kt
index 43153ff..ee4d190 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/GroupChatEmptyContent.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/GroupChatEmptyContent.kt
@@ -41,6 +41,8 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.positionInRoot
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
@@ -74,9 +76,13 @@ fun GroupChatEmptyContent(
     listState: LazyListState,
     nestedScrollConnection: NestedScrollConnection? = null,
     ownerSessionId: String? = null, // 创建者用户ID（ChatAIID），用于过滤特定创建者的房间。如果为null，则显示当前用户创建或加入的房间
-    showSegments: Boolean = true // 是否显示分段控制器（全部、公开、私有）
+    showSegments: Boolean = true, // 是否显示分段控制器（全部、公开、私有）
+    selectedSegmentIndex: Int = 0,
+    onSegmentSelected: (Int) -> Unit = {},
+    onSegmentMeasured: ((Float, Int) -> Unit)? = null,
+    isSegmentSticky: Boolean = false,
+    parentScrollProvider: () -> Int = { 0 }
 ) {
-    var selectedSegment by remember { mutableStateOf(0) } // 0: 全部, 1: 公开, 2: 私有
     val AppColors = LocalAppTheme.current
     val context = LocalContext.current
     val navController = LocalNavController.current
@@ -86,7 +92,7 @@ fun GroupChatEmptyContent(
     val networkAvailable = isNetworkAvailable(context)
     
     // 如果查看其他用户的房间，固定使用全部类型（filterType = 0）
-    val filterType = if (showSegments) selectedSegment else 0
+    val filterType = if (showSegments) selectedSegmentIndex else 0
     
     val state = rememberPullRefreshState(
         refreshing = if (canLoadRooms) viewModel.roomsRefreshing else false,
@@ -98,7 +104,7 @@ fun GroupChatEmptyContent(
     )
     
     // 当分段或用户ID改变时，重新加载数据
-    LaunchedEffect(selectedSegment, normalizedOwnerSessionId, showSegments) {
+    LaunchedEffect(selectedSegmentIndex, normalizedOwnerSessionId, showSegments) {
         if (canLoadRooms) {
             viewModel.refreshRooms(filterType = filterType, ownerSessionId = normalizedOwnerSessionId)
         }
@@ -120,12 +126,17 @@ fun GroupChatEmptyContent(
         // 只在查看自己的房间时显示分段控制器
         if (showSegments) {
             SegmentedControl(
-                selectedIndex = selectedSegment,
-                onSegmentSelected = { 
-                    selectedSegment = it
-                    // LaunchedEffect 会监听 selectedSegment 的变化并自动刷新
-                },
-                modifier = Modifier.fillMaxWidth()
+                selectedIndex = selectedSegmentIndex,
+                onSegmentSelected = onSegmentSelected,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .onGloballyPositioned { coordinates ->
+                        onSegmentMeasured?.invoke(
+                            coordinates.positionInRoot().y + parentScrollProvider(),
+                            coordinates.size.height
+                        )
+                    }
+                    .alpha(if (isSegmentSticky) 0f else 1f)
             )
             
             Spacer(modifier = Modifier.height(8.dp))
@@ -445,7 +456,7 @@ fun RoomItem(
 }
 
 @Composable
-private fun SegmentedControl(
+fun SegmentedControl(
     selectedIndex: Int,
     onSegmentSelected: (Int) -> Unit,
     modifier: Modifier = Modifier
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/UserAgentsList.kt b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/UserAgentsList.kt
index 457e1df..841778c 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/UserAgentsList.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/index/tabs/profile/composable/UserAgentsList.kt
@@ -4,7 +4,6 @@ import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
-import com.aiosman.ravenow.ui.modifiers.noRippleClickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -30,9 +29,12 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.layout.positionInRoot
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
@@ -53,6 +55,7 @@ import com.aiosman.ravenow.ui.NavigationRoute
 import com.aiosman.ravenow.entity.AgentEntity
 import com.aiosman.ravenow.ui.composables.CustomAsyncImage
 import com.aiosman.ravenow.ui.index.tabs.profile.MyProfileViewModel
+import com.aiosman.ravenow.ui.modifiers.noRippleClickable
 import com.aiosman.ravenow.ui.network.ReloadButton
 import com.aiosman.ravenow.utils.DebounceUtils
 import com.aiosman.ravenow.utils.NetworkUtils
@@ -68,7 +71,12 @@ fun UserAgentsList(
     modifier: Modifier = Modifier,
     state: LazyListState,
     nestedScrollConnection: NestedScrollConnection? = null,
-    showSegments: Boolean = true // 是否显示分段控制器（全部、公开、私有）
+    showSegments: Boolean = true, // 是否显示分段控制器（全部、公开、私有）
+    segmentSelectedIndex: Int = 0,
+    onSegmentSelected: (Int) -> Unit = {},
+    onSegmentMeasured: ((Float, Int) -> Unit)? = null,
+    isSegmentSticky: Boolean = false,
+    parentScrollProvider: () -> Int = { 0 }
 ) {
     val AppColors = LocalAppTheme.current
     val listModifier = if (nestedScrollConnection != null) {
@@ -82,7 +90,14 @@ fun UserAgentsList(
         Box(
             modifier = listModifier.fillMaxSize()
         ) {
-            AgentEmptyContentWithSegments(showSegments = showSegments)
+            AgentEmptyContentWithSegments(
+                showSegments = showSegments,
+                segmentSelectedIndex = segmentSelectedIndex,
+                onSegmentSelected = onSegmentSelected,
+                onSegmentMeasured = onSegmentMeasured,
+                isSegmentSticky = isSegmentSticky,
+                parentScrollProvider = parentScrollProvider
+            )
         }
     } else {
         LazyColumn(
@@ -251,9 +266,13 @@ fun UserAgentCard(
 
 @Composable
 fun AgentEmptyContentWithSegments(
-    showSegments: Boolean = true // 是否显示分段控制器（全部、公开、私有）
+    showSegments: Boolean = true,
+    segmentSelectedIndex: Int = 0,
+    onSegmentSelected: (Int) -> Unit = {},
+    onSegmentMeasured: ((Float, Int) -> Unit)? = null,
+    isSegmentSticky: Boolean = false,
+    parentScrollProvider: () -> Int = { 0 }
 ) {
-    var selectedSegment by remember { mutableStateOf(0) } // 0: 全部, 1: 公开, 2: 私有
     val AppColors = LocalAppTheme.current
     val isNetworkAvailable = NetworkUtils.isNetworkAvailable(LocalContext.current)
     
@@ -267,9 +286,17 @@ fun AgentEmptyContentWithSegments(
         // 只在查看自己的智能体时显示分段控制器
         if (showSegments) {
             AgentSegmentedControl(
-                selectedIndex = selectedSegment,
-                onSegmentSelected = { selectedSegment = it },
-                modifier = Modifier.fillMaxWidth()
+                selectedIndex = segmentSelectedIndex,
+                onSegmentSelected = onSegmentSelected,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .onGloballyPositioned { coordinates ->
+                        onSegmentMeasured?.invoke(
+                            coordinates.positionInRoot().y + parentScrollProvider(),
+                            coordinates.size.height
+                        )
+                    }
+                    .alpha(if (isSegmentSticky) 0f else 1f)
             )
             
             Spacer(modifier = Modifier.height(8.dp))
@@ -321,7 +348,7 @@ fun AgentEmptyContentWithSegments(
 }
 
 @Composable
-private fun AgentSegmentedControl(
+fun AgentSegmentedControl(
     selectedIndex: Int,
     onSegmentSelected: (Int) -> Unit,
     modifier: Modifier = Modifier
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/post/CommentsViewModel.kt b/app/src/main/java/com/aiosman/ravenow/ui/post/CommentsViewModel.kt
index bc7037a..2939221 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/post/CommentsViewModel.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/post/CommentsViewModel.kt
@@ -13,37 +13,30 @@ import kotlinx.coroutines.launch
 class CommentsViewModel(
     var postId: String = 0.toString(),
 ) : ViewModel() {
+    companion object {
+        private const val ORDER_ALL = "all"
+        private const val COMMENTS_PAGE_SIZE = 50
+    }
+
     var commentService: CommentService = CommentServiceImpl()
     var commentsList by mutableStateOf<List<CommentEntity>>(emptyList())
-    var order: String by mutableStateOf("like")
+    var order: String by mutableStateOf(ORDER_ALL)
     var addedCommentList by mutableStateOf<List<CommentEntity>>(emptyList())
     var subCommentLoadingMap by mutableStateOf(mutableMapOf<Int, Boolean>())
     var highlightCommentId by mutableStateOf<Int?>(null)
     var highlightComment by mutableStateOf<CommentEntity?>(null)
     var isLoading by mutableStateOf(false)
     var hasError by mutableStateOf(false)
+    var isLoadingMore by mutableStateOf(false)
+    var hasMore by mutableStateOf(false)
+    private var currentPage by mutableStateOf(0)
+    private var totalComments by mutableStateOf(0)
 
     /**
      * 预加载，在跳转到 PostScreen 之前设置好内容
      */
     fun preTransit() {
-        viewModelScope.launch {
-            try {
-                isLoading = true
-                val response = commentService.getComments(
-                    pageNumber = 1,
-                    postId = postId.toInt(),
-                    pageSize = 10
-                )
-                commentsList = response.list
-                hasError = false
-            } catch (e: Exception) {
-                e.printStackTrace()
-                hasError = true
-            } finally {
-                isLoading = false
-            }
-        }
+        reloadComment()
     }
 
     /**
@@ -51,25 +44,61 @@ class CommentsViewModel(
      */
     fun reloadComment() {
         viewModelScope.launch {
-            try {
+            loadComments(page = 1, reset = true)
+        }
+    }
+
+    fun loadMoreComments() {
+        if (isLoading || isLoadingMore || !hasMore) {
+            return
+        }
+        viewModelScope.launch {
+            loadComments(page = currentPage + 1, reset = false)
+        }
+    }
+
+    private suspend fun loadComments(page: Int, reset: Boolean) {
+        try {
+            if (reset) {
                 isLoading = true
-                val response = commentService.getComments(
-                    pageNumber = 1,
-                    postId = postId.toInt(),
-                    order = order,
-                    pageSize = 50
-                )
-                commentsList = response.list
                 hasError = false
-            } catch (e: Exception) {
-                e.printStackTrace()
+            } else {
+                isLoadingMore = true
+            }
+            val response = commentService.getComments(
+                pageNumber = page,
+                postId = postId.toInt(),
+                order = normalizeOrder(order),
+                pageSize = COMMENTS_PAGE_SIZE
+            )
+            val total = response.total.coerceAtMost(Int.MAX_VALUE.toLong()).toInt()
+            totalComments = total
+            currentPage = response.page
+            commentsList = if (reset) {
+                response.list
+            } else {
+                commentsList + response.list
+            }
+            hasMore = commentsList.size < totalComments
+        } catch (e: Exception) {
+            e.printStackTrace()
+            if (reset) {
                 hasError = true
-            } finally {
+                commentsList = emptyList()
+            }
+        } finally {
+            if (reset) {
                 isLoading = false
+            } else {
+                isLoadingMore = false
             }
         }
     }
 
+    private fun normalizeOrder(currentOrder: String): String? {
+        return currentOrder.takeUnless { it.equals(ORDER_ALL, ignoreCase = true) }
+    }
+
 
     suspend fun highlightComment(commentId: Int) {
         highlightCommentId = commentId
diff --git a/app/src/main/java/com/aiosman/ravenow/ui/post/Post.kt b/app/src/main/java/com/aiosman/ravenow/ui/post/Post.kt
index 2ee9145..d8951f0 100644
--- a/app/src/main/java/com/aiosman/ravenow/ui/post/Post.kt
+++ b/app/src/main/java/com/aiosman/ravenow/ui/post/Post.kt
@@ -495,7 +495,9 @@ fun PostScreen(
                                 color = AppColors.nonActiveText
                             )
                             Spacer(modifier = Modifier.weight(1f))
-                            OrderSelectionComponent() {
+                            OrderSelectionComponent(
+                                selectedOrder = commentsViewModel.order
+                            ) {
                                 commentsViewModel.order = it
                                 viewModel.reloadComment()
                             }
@@ -742,6 +744,33 @@ fun CommentContent(
         }
     }
 
+    if (viewModel.isLoadingMore || viewModel.hasMore) {
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(vertical = 12.dp),
+            contentAlignment = Alignment.Center
+        ) {
+            if (viewModel.isLoadingMore) {
+                CircularProgressIndicator(
+                    modifier = Modifier.size(24.dp),
+                    color = AppColors.main,
+                    strokeWidth = 2.dp
+                )
+            } else {
+                Text(
+                    text = stringResource(id = R.string.load_more),
+                    color = AppColors.main,
+                    fontSize = 14.sp,
+                    fontWeight = FontWeight.SemiBold,
+                    modifier = Modifier.noRippleClickable {
+                        viewModel.loadMoreComments()
+                    }
+                )
+            }
+        }
+    }
+
     // 加载状态处理
     if (viewModel.isLoading) {
         Box(
@@ -1909,15 +1938,15 @@ fun CommentMenuModal(
 
 @Composable
 fun OrderSelectionComponent(
+    selectedOrder: String,
     onSelected: (String) -> Unit = {}
 ) {
     val AppColors = LocalAppTheme.current
 
-    var selectedOrder by remember { mutableStateOf("like") }
     val orders = listOf(
-        "like" to stringResource(R.string.order_comment_default),
-        "earliest" to stringResource(R.string.order_comment_earliest),
-        "latest" to stringResource(R.string.order_comment_latest)
+        "all" to stringResource(R.string.order_comment_default),
+        "latest" to stringResource(R.string.order_comment_latest),
+        "like" to stringResource(R.string.order_comment_hot)
     )
     Box(
         modifier = Modifier
@@ -1935,8 +1964,9 @@ fun OrderSelectionComponent(
                 Box(
                     modifier = Modifier
                         .noRippleClickable {
-                            selectedOrder = order.first
-                            onSelected(order.first)
+                            if (selectedOrder != order.first) {
+                                onSelected(order.first)
+                            }
                         }
                         .background(
                             if (
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 4341ed7..475cbf5 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -75,9 +75,9 @@
     <string name="bio">署名</string>
     <string name="nickname">名前</string>
     <string name="comment">コメント</string>
-    <string name="order_comment_default">デフォルト</string>
+    <string name="order_comment_default">すべて</string>
     <string name="order_comment_latest">最新</string>
-    <string name="order_comment_earliest">最も古い</string>
+    <string name="order_comment_hot">人気</string>
     <string name="download">ダウンロード</string>
     <string name="original">オリジナル</string>
     <string name="favourites">お気に入り</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 6153c5f..1aa8c96 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -80,9 +80,9 @@
     <string name="bio">个性签名</string>
     <string name="nickname">昵称</string>
     <string name="comment">评论</string>
-    <string name="order_comment_default">默认</string>
+    <string name="order_comment_default">全部</string>
     <string name="order_comment_latest">最新</string>
-    <string name="order_comment_earliest">最早</string>
+    <string name="order_comment_hot">热门</string>
     <string name="download">下载</string>
     <string name="original">原始图片</string>
     <string name="favourites">收藏</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 77c7fd3..8610ea7 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -74,9 +74,9 @@
     <string name="bio">Signature</string>
     <string name="nickname">Name</string>
     <string name="comment">COMMENTS</string>
-    <string name="order_comment_default">Default</string>
+    <string name="order_comment_default">All</string>
     <string name="order_comment_latest">Latest</string>
-    <string name="order_comment_earliest">Earliest</string>
+    <string name="order_comment_hot">Hot</string>
     <string name="download">Download</string>
     <string name="original">Original</string>
     <string name="favourites">Favourite</string>