diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/AdvancedScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/AdvancedScreen.kt
index 54fcce96f..3f621cfb7 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/AdvancedScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/AdvancedScreen.kt
@@ -40,6 +40,7 @@ import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhEngine
 import com.hippo.ehviewer.client.data.FavListUrlBuilder
 import com.hippo.ehviewer.client.systemDns
+import com.hippo.ehviewer.ui.compose.observed
 import com.hippo.ehviewer.ui.legacy.BaseDialogBuilder
 import com.hippo.ehviewer.ui.legacy.EditTextDialogBuilder
 import com.hippo.ehviewer.ui.login.LocalNavController
@@ -127,7 +128,7 @@ fun AdvancedScreen() {
                 title = stringResource(id = R.string.settings_advanced_read_cache_size),
                 entry = R.array.read_cache_size_entries,
                 entryValueRes = R.array.read_cache_size_entry_values,
-                value = Settings::readCacheSize,
+                value = Settings::readCacheSize.observed,
             )
             SimpleMenuPreference(
                 title = stringResource(id = R.string.settings_advanced_app_language_title),
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
index a8940a46d..5e8df73ea 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/DownloadScreen.kt
@@ -108,26 +108,29 @@ fun DownloadScreen() {
                 summary = if (Settings.mediaScan) stringResource(id = R.string.settings_download_media_scan_summary_on) else stringResource(id = R.string.settings_download_media_scan_summary_off),
                 value = Settings::mediaScan,
             )
+            val multiThreadDownload = Settings::multiThreadDownload.observed
             SimpleMenuPreferenceInt(
                 title = stringResource(id = R.string.settings_download_concurrency),
-                summary = stringResource(id = R.string.settings_download_concurrency_summary, Settings.multiThreadDownload),
+                summary = stringResource(id = R.string.settings_download_concurrency_summary, multiThreadDownload.value),
                 entry = R.array.multi_thread_download_entries,
                 entryValueRes = R.array.multi_thread_download_entry_values,
-                value = Settings::multiThreadDownload,
+                value = multiThreadDownload,
             )
+            val downloadDelay = Settings::downloadDelay.observed
             SimpleMenuPreferenceInt(
                 title = stringResource(id = R.string.settings_download_download_delay),
-                summary = stringResource(id = R.string.settings_download_download_delay_summary, Settings.downloadDelay),
+                summary = stringResource(id = R.string.settings_download_download_delay_summary, downloadDelay.value),
                 entry = R.array.download_delay_entries,
                 entryValueRes = R.array.download_delay_entry_values,
-                value = Settings::downloadDelay,
+                value = downloadDelay,
             )
+            val preloadImage = Settings::preloadImage.observed
             SimpleMenuPreferenceInt(
                 title = stringResource(id = R.string.settings_download_preload_image),
-                summary = stringResource(id = R.string.settings_download_preload_image_summary, Settings.preloadImage),
+                summary = stringResource(id = R.string.settings_download_preload_image_summary, preloadImage.value),
                 entry = R.array.preload_image_entries,
                 entryValueRes = R.array.preload_image_entry_values,
-                value = Settings::preloadImage,
+                value = preloadImage,
             )
             SwitchPreference(
                 title = stringResource(id = R.string.settings_download_download_origin_image),
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/PreferenceWidgets.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/PreferenceWidgets.kt
index 050d8e436..7c122cb0e 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/PreferenceWidgets.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/PreferenceWidgets.kt
@@ -13,6 +13,7 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
@@ -86,15 +87,15 @@ fun HtmlPreference(title: String, summary: AnnotatedString? = null, onClick: ()
 }
 
 @Composable
-fun SimpleMenuPreferenceInt(title: String, summary: String? = null, @ArrayRes entry: Int, @ArrayRes entryValueRes: Int, value: KMutableProperty0<Int>) {
+fun SimpleMenuPreferenceInt(title: String, summary: String? = null, @ArrayRes entry: Int, @ArrayRes entryValueRes: Int, value: MutableState<Int>) {
     val entryArray = stringArrayResource(id = entry)
     val valuesArray = stringArrayResource(id = entryValueRes)
     val map = remember {
         val iter = entryArray.iterator()
         valuesArray.associateWith { iter.next() }
     }
-    var v by remember { mutableIntStateOf(value.get()) }
-    fun set(new: String) = value.set(new.toInt().also { v = it })
+    var v by value
+    fun set(new: String) { v = new.toInt() }
     check(entryArray.size == valuesArray.size)
     DropDownPref(title = title, summary = summary, defaultValue = v.toString(), onValueChange = ::set, useSelectedAsSummary = summary.isNullOrBlank(), entries = map)
 }