diff --git a/app/src/main/java/com/huanchengfly/tieba/post/arch/GlobalEvent.kt b/app/src/main/java/com/huanchengfly/tieba/post/arch/GlobalEvent.kt
index c9570a68..57c2d1b8 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/arch/GlobalEvent.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/arch/GlobalEvent.kt
@@ -43,7 +43,7 @@ sealed interface GlobalEvent : UiEvent {
 }
 
 private val globalEventSharedFlow: MutableSharedFlow<UiEvent> by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
-    MutableSharedFlow(0, 1, BufferOverflow.DROP_OLDEST)
+    MutableSharedFlow(0, 2, BufferOverflow.DROP_OLDEST)
 }
 
 val GlobalEventFlow = globalEventSharedFlow.asSharedFlow()
@@ -54,7 +54,7 @@ fun CoroutineScope.emitGlobalEvent(event: UiEvent) {
     }
 }
 
-suspend fun emitGlobalEvent(event: UiEvent) {
+suspend fun emitGlobalEventSuspend(event: UiEvent) {
     globalEventSharedFlow.emit(event)
 }
 
@@ -69,7 +69,6 @@ inline fun <reified Event : UiEvent> onGlobalEvent(
             GlobalEventFlow
                 .filterIsInstance<Event>()
                 .filter {
-                    Log.i("GlobalEvent", "onGlobalEvent: $it")
                     filter(it)
                 }
                 .cancellable()
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/ForumPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/ForumPage.kt
index dde494bd..ef077ade 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/ForumPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/ForumPage.kt
@@ -92,6 +92,7 @@ import com.huanchengfly.tieba.post.api.models.protos.frsPage.ForumInfo
 import com.huanchengfly.tieba.post.arch.ImmutableHolder
 import com.huanchengfly.tieba.post.arch.collectPartialAsState
 import com.huanchengfly.tieba.post.arch.emitGlobalEvent
+import com.huanchengfly.tieba.post.arch.emitGlobalEventSuspend
 import com.huanchengfly.tieba.post.arch.onEvent
 import com.huanchengfly.tieba.post.arch.pageViewModel
 import com.huanchengfly.tieba.post.dataStore
@@ -593,12 +594,12 @@ fun ForumPage(
                             when (context.appPreferences.forumFabFunction) {
                                 "refresh" -> {
                                     coroutineScope.launch {
-                                        emitGlobalEvent(
+                                        emitGlobalEventSuspend(
                                             ForumThreadListUiEvent.BackToTop(
                                                 pagerState.currentPage == 1
                                             )
                                         )
-                                        emitGlobalEvent(
+                                        emitGlobalEventSuspend(
                                             ForumThreadListUiEvent.Refresh(
                                                 pagerState.currentPage == 1,
                                                 getSortType(
@@ -838,7 +839,7 @@ fun ForumPage(
                                 forumId = forumInfo!!.get { id },
                                 forumName = forumInfo!!.get { name },
                                 isGood = it == 1,
-                                lazyListState = lazyListStates[it]
+                                lazyListState = remember { lazyListStates[it] }
                             )
                         }
                     }
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/threadlist/ForumThreadListPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/threadlist/ForumThreadListPage.kt
index 102838ed..a9f970c3 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/threadlist/ForumThreadListPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/forum/threadlist/ForumThreadListPage.kt
@@ -271,10 +271,14 @@ fun ForumThreadListPage(
         viewModel.send(getFirstLoadIntent(context, forumName, isGood))
         viewModel.initialized = true
     }
-    onGlobalEvent<ForumThreadListUiEvent.Refresh> {
+    onGlobalEvent<ForumThreadListUiEvent.Refresh>(
+        filter = { it.isGood == isGood },
+    ) {
         viewModel.send(getRefreshIntent(context, forumName, isGood, it.sortType))
     }
-    onGlobalEvent<ForumThreadListUiEvent.BackToTop> {
+    onGlobalEvent<ForumThreadListUiEvent.BackToTop>(
+        filter = { it.isGood == isGood },
+    ) {
         lazyListState.animateScrollToItem(0)
     }
     viewModel.onEvent<ForumThreadListUiEvent.AgreeFail> {
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadViewModel.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadViewModel.kt
index e0128cf9..e0916d60 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadViewModel.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/thread/ThreadViewModel.kt
@@ -718,17 +718,22 @@ sealed interface ThreadPartialChange : PartialChange<ThreadUiState> {
     sealed class LoadMore : ThreadPartialChange {
         override fun reduce(oldState: ThreadUiState): ThreadUiState = when (this) {
             is Start -> oldState.copy(isLoadingMore = true)
-            is Success -> oldState.copy(
-                isLoadingMore = false,
-                author = wrapImmutable(author),
-                data = (oldState.data + data).toImmutableList(),
-                threadInfo = threadInfo.wrapImmutable(),
-                currentPageMax = currentPage,
-                totalPage = totalPage,
-                hasMore = hasMore,
-                nextPagePostId = nextPagePostId,
-                latestPosts = persistentListOf(),
-            )
+            is Success -> {
+                val uniqueData = data.filterNot { item ->
+                    oldState.data.any { it.post.get { id } == item.post.get { id } }
+                }
+                oldState.copy(
+                    isLoadingMore = false,
+                    author = wrapImmutable(author),
+                    data = (oldState.data + uniqueData).toImmutableList(),
+                    threadInfo = threadInfo.wrapImmutable(),
+                    currentPageMax = currentPage,
+                    totalPage = totalPage,
+                    hasMore = hasMore,
+                    nextPagePostId = nextPagePostId,
+                    latestPosts = persistentListOf(),
+                )
+            }
 
             is Failure -> oldState.copy(isLoadingMore = false)
         }