diff --git a/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/DanmakuVideoPlayer.kt b/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/DanmakuVideoPlayer.kt
index e0301b4..49aed52 100644
--- a/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/DanmakuVideoPlayer.kt
+++ b/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/DanmakuVideoPlayer.kt
@@ -5,6 +5,7 @@ import android.view.Gravity
 import android.widget.FrameLayout
 import androidx.activity.compose.BackHandler
 import androidx.annotation.OptIn
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
@@ -12,6 +13,7 @@ import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.media3.common.Player
@@ -77,7 +79,10 @@ fun DanmakuVideoPlayer(
     }
 
     DisposableEffect(
-        Box(modifier = Modifier.fillMaxSize()) {
+        Box(modifier = Modifier
+            .background(Color.Black)
+            .fillMaxSize()
+        ) {
             AndroidView(factory = {
                 PlayerView(context).apply {
                     hideController()
diff --git a/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/PlayerControl.kt b/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/PlayerControl.kt
index f5294b0..cfe1c6c 100644
--- a/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/PlayerControl.kt
+++ b/app/src/main/kotlin/com/muedsa/compose/tv/widget/player/PlayerControl.kt
@@ -50,6 +50,7 @@ import com.muedsa.compose.tv.widget.OutlinedIconBox
 import kotlinx.coroutines.delay
 import java.util.Date
 import java.util.Locale
+import kotlin.time.Duration.Companion.microseconds
 import kotlin.time.Duration.Companion.seconds
 import kotlin.time.DurationUnit
 import kotlin.time.toDuration
@@ -239,10 +240,9 @@ fun PlayerControl(
 @Composable
 fun PlayerProgressIndicator(player: Player) {
     val dateTimeFormat = remember { SimpleDateFormat.getDateTimeInstance() }
-    val systemStr = dateTimeFormat.format(Date())
-    val currentStr =
-        if (player.duration > 0L) durationToString(player.currentPosition) else "--:--:--"
-    val totalStr = if (player.duration > 0L) durationToString(player.duration) else "--:--:--"
+    var systemStr by remember { mutableStateOf("--/--/-- --:--:--") }
+    var currentStr by remember { mutableStateOf("--:--:--") }
+    var totalStr by  remember { mutableStateOf("--:--:--") }
     Column(
         modifier = Modifier.fillMaxWidth(),
     ) {
@@ -250,7 +250,7 @@ fun PlayerProgressIndicator(player: Player) {
             LinearProgressIndicator(
                 progress = { player.currentPosition.toFloat() / player.duration },
                 modifier = Modifier.fillMaxWidth(),
-            )
+            ) { }
         } else {
             LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
         }
@@ -264,6 +264,14 @@ fun PlayerProgressIndicator(player: Player) {
         )
     }
 
+    LaunchedEffect(key1 = Unit) {
+        while (true) {
+            systemStr = dateTimeFormat.format(Date())
+            currentStr = if (player.duration > 0L) durationToString(player.currentPosition) else "--:--:--"
+            totalStr = if (player.duration > 0L) durationToString(player.duration) else "--:--:--"
+            delay(100.microseconds)
+        }
+    }
 }
 
 fun groupTypeToString(group: Tracks.Group): String {
diff --git a/app/src/main/kotlin/com/muedsa/jcytv/PlaybackActivity.kt b/app/src/main/kotlin/com/muedsa/jcytv/PlaybackActivity.kt
index cbb7c58..476f1c9 100644
--- a/app/src/main/kotlin/com/muedsa/jcytv/PlaybackActivity.kt
+++ b/app/src/main/kotlin/com/muedsa/jcytv/PlaybackActivity.kt
@@ -3,14 +3,10 @@ package com.muedsa.jcytv
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.remember
-import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.RectangleShape
 import androidx.tv.material3.MaterialTheme
-import androidx.tv.material3.Surface
 import androidx.tv.material3.SurfaceDefaults
 import com.muedsa.compose.tv.theme.TvTheme
 import com.muedsa.compose.tv.useLocalErrorMsgBoxController
@@ -52,19 +48,13 @@ class PlaybackActivity : ComponentActivity() {
                             }
                             errorMsgBoxController.error("再次点击返回键退出")
                         }
-                        Surface(
-                            modifier = Modifier.fillMaxSize(),
-                            shape = RectangleShape,
-
-                            ) {
-                            PlaybackScreen(
-                                aid = aid,
-                                episodeTitle = episodeTitle,
-                                mediaUrl = mediaUrl,
-                                danEpisodeId = episodeId,
-                                backListeners = backListeners
-                            )
-                        }
+                        PlaybackScreen(
+                            aid = aid,
+                            episodeTitle = episodeTitle,
+                            mediaUrl = mediaUrl,
+                            danEpisodeId = episodeId,
+                            backListeners = backListeners
+                        )
                     }
                 }
             }