diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/ExplorePage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/ExplorePage.kt
index 630002fe..d52653b8 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/ExplorePage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/ExplorePage.kt
@@ -20,7 +20,6 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
@@ -28,12 +27,12 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.compose.ui.util.fastForEachIndexed
 import com.huanchengfly.tieba.post.R
-import com.huanchengfly.tieba.post.activities.NewSearchActivity
 import com.huanchengfly.tieba.post.arch.GlobalEvent
 import com.huanchengfly.tieba.post.arch.emitGlobalEvent
 import com.huanchengfly.tieba.post.arch.onGlobalEvent
-import com.huanchengfly.tieba.post.goToActivity
 import com.huanchengfly.tieba.post.ui.common.theme.compose.ExtendedTheme
+import com.huanchengfly.tieba.post.ui.page.LocalNavigator
+import com.huanchengfly.tieba.post.ui.page.destinations.SearchPageDestination
 import com.huanchengfly.tieba.post.ui.page.main.explore.concern.ConcernPage
 import com.huanchengfly.tieba.post.ui.page.main.explore.hot.HotPage
 import com.huanchengfly.tieba.post.ui.page.main.explore.personalized.PersonalizedPage
@@ -113,7 +112,7 @@ private fun TabText(
 @Composable
 fun ExplorePage() {
     val account = LocalAccount.current
-    val context = LocalContext.current
+    val navigator = LocalNavigator.current
 
     val loggedIn = remember(account) { account != null }
 
@@ -156,7 +155,7 @@ fun ExplorePage() {
                         icon = Icons.Rounded.Search,
                         contentDescription = stringResource(id = R.string.title_search)
                     ) {
-                        context.goToActivity<NewSearchActivity>()
+                        navigator.navigate(SearchPageDestination)
                     }
                 },
             ) {
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/NotificationsPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/NotificationsPage.kt
index 84947ad8..c010d513 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/NotificationsPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/notifications/NotificationsPage.kt
@@ -14,12 +14,11 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import com.huanchengfly.tieba.post.R
-import com.huanchengfly.tieba.post.activities.NewSearchActivity
-import com.huanchengfly.tieba.post.goToActivity
 import com.huanchengfly.tieba.post.ui.common.theme.compose.ExtendedTheme
+import com.huanchengfly.tieba.post.ui.page.LocalNavigator
+import com.huanchengfly.tieba.post.ui.page.destinations.SearchPageDestination
 import com.huanchengfly.tieba.post.ui.page.main.notifications.list.NotificationsListPage
 import com.huanchengfly.tieba.post.ui.page.main.notifications.list.NotificationsType
 import com.huanchengfly.tieba.post.ui.widgets.compose.ActionItem
@@ -32,7 +31,7 @@ import kotlinx.coroutines.launch
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun NotificationsPage() {
-    val context = LocalContext.current
+    val navigator = LocalNavigator.current
     val pages = listOf<Pair<String, (@Composable () -> Unit)>>(
         stringResource(id = R.string.title_reply_me) to @Composable {
             NotificationsListPage(type = NotificationsType.ReplyMe)
@@ -54,7 +53,7 @@ fun NotificationsPage() {
                         icon = Icons.Rounded.Search,
                         contentDescription = stringResource(id = R.string.title_search)
                     ) {
-                        context.goToActivity<NewSearchActivity>()
+                        navigator.navigate(SearchPageDestination)
                     }
                 },
             ) {
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/search/SearchPage.kt b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/search/SearchPage.kt
index 169d0323..fc68c1ab 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/ui/page/search/SearchPage.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/ui/page/search/SearchPage.kt
@@ -555,7 +555,7 @@ private fun SearchTopBar(
                 placeholder = {
                     Text(
                         text = stringResource(id = R.string.hint_search),
-                        color = ExtendedTheme.colors.onTopBarSurface.copy(alpha = ContentAlpha.disabled)
+                        color = ExtendedTheme.colors.onTopBarSurface.copy(alpha = ContentAlpha.medium)
                     )
                 },
                 modifier = Modifier