diff --git a/.gitignore b/.gitignore
index e5cbb64..688639d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,7 +15,7 @@ captures/
 *.aab
 *.apk
 output-metadata.json
-
+release/
 # IntelliJ
 *.iml
 .idea/
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index d9d08e4..6d1409a 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -26,6 +26,7 @@ android {
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
+            signingConfig = signingConfigs.getByName("debug")
         }
     }
     compileOptions {
@@ -67,6 +68,7 @@ dependencies {
     implementation(libs.androidx.ui.graphics)
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
+    implementation(libs.androidx.media3.datasource.okhttp)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
diff --git a/app/src/main/java/com/acitelight/aether/helper/MemoryVideo.kt b/app/src/main/java/com/acitelight/aether/helper/MemoryVideo.kt
deleted file mode 100644
index c92f2ef..0000000
--- a/app/src/main/java/com/acitelight/aether/helper/MemoryVideo.kt
+++ /dev/null
@@ -1,66 +0,0 @@
-import android.content.Context
-import android.view.ViewGroup
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.DisposableEffect
-import androidx.compose.runtime.remember
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.viewinterop.AndroidView
-import androidx.media3.common.MediaItem
-import androidx.media3.common.util.UnstableApi
-import androidx.media3.datasource.ByteArrayDataSource
-import androidx.media3.datasource.DataSource
-import androidx.media3.exoplayer.ExoPlayer
-import androidx.media3.exoplayer.source.ProgressiveMediaSource
-import androidx.media3.ui.PlayerView
-
-
-@androidx.annotation.OptIn(UnstableApi::class)
-@Composable
-private fun InMemoryVideoPlayer(
-    modifier: Modifier = Modifier,
-    videoData: ByteArray
-) {
-    val context = LocalContext.current
-
-    val exoPlayer = remember(context, videoData) {
-        createExoPlayer(context, videoData)
-    }
-
-    DisposableEffect(Unit) {
-        onDispose {
-            exoPlayer.release()
-        }
-    }
-
-    AndroidView(
-        modifier = modifier,
-        factory = {
-            PlayerView(it).apply {
-                player = exoPlayer
-                layoutParams = ViewGroup.LayoutParams(
-                    ViewGroup.LayoutParams.MATCH_PARENT,
-                    ViewGroup.LayoutParams.MATCH_PARENT
-                )
-            }
-        }
-    )
-}
-
-@androidx.annotation.OptIn(UnstableApi::class)
-private fun createExoPlayer(context: Context, videoData: ByteArray): ExoPlayer {
-    val byteArrayDataSource = ByteArrayDataSource(videoData)
-
-    val factory = DataSource.Factory {
-        byteArrayDataSource
-    }
-
-    val mediaSource = ProgressiveMediaSource.Factory(factory)
-        .createMediaSource(MediaItem.fromUri("data://local/video.mp4"))
-
-    return ExoPlayer.Builder(context).build().apply {
-        setMediaSource(mediaSource)
-        prepare()
-        playWhenReady = false
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/acitelight/aether/service/ApiClient.kt b/app/src/main/java/com/acitelight/aether/service/ApiClient.kt
index 1902525..9d33cde 100644
--- a/app/src/main/java/com/acitelight/aether/service/ApiClient.kt
+++ b/app/src/main/java/com/acitelight/aether/service/ApiClient.kt
@@ -69,6 +69,11 @@ object ApiClient {
         }
     }
 
+    fun createOkHttp(): OkHttpClient
+    {
+        return createOkHttpClientWithDynamicCert(loadCertificateFromString(cert))
+    }
+
     private fun createRetrofit(): Retrofit {
         val okHttpClient = createOkHttpClientWithDynamicCert(loadCertificateFromString(cert))
 
diff --git a/app/src/main/java/com/acitelight/aether/service/MediaManager.kt b/app/src/main/java/com/acitelight/aether/service/MediaManager.kt
index a5b6c3a..e4532f9 100644
--- a/app/src/main/java/com/acitelight/aether/service/MediaManager.kt
+++ b/app/src/main/java/com/acitelight/aether/service/MediaManager.kt
@@ -23,16 +23,17 @@ object MediaManager
         }
     }
 
-    suspend fun listVideos(klass: String): List<Video>
+    suspend fun listVideos(klass: String, callback: (Video) -> Unit)
     {
-        try {
-            val j = ApiClient.api!!.queryVideoClasses(klass, token)
-            return j.map{
-                queryVideo(klass, it)!!
-            }.toList()
-        }catch (e: Exception)
+        val j = ApiClient.api!!.queryVideoClasses(klass, token)
+        for(it in j)
         {
-            return listOf()
+            try {
+                callback(queryVideo(klass, it)!!)
+            }catch (e: Exception)
+            {
+
+            }
         }
     }
 
diff --git a/app/src/main/java/com/acitelight/aether/view/HomeScreen.kt b/app/src/main/java/com/acitelight/aether/view/HomeScreen.kt
index 7fb859a..914ef8d 100644
--- a/app/src/main/java/com/acitelight/aether/view/HomeScreen.kt
+++ b/app/src/main/java/com/acitelight/aether/view/HomeScreen.kt
@@ -58,7 +58,7 @@ fun HomeScreen(homeScreenViewModel: HomeScreenViewModel = viewModel(), navContro
                             Global.sameClassVideos = RecentManager.recent
                             val route = "video_player_route/${ "${i.klass}/${i.id}".toHex() }"
                             navController.navigate(route)
-                        })
+                        }, homeScreenViewModel.imageLoader!!)
                     HorizontalDivider(Modifier.padding(vertical = 8.dp).alpha(0.25f), 1.dp, DividerDefaults.color)
                 }
             }
diff --git a/app/src/main/java/com/acitelight/aether/view/VideoPlayer.kt b/app/src/main/java/com/acitelight/aether/view/VideoPlayer.kt
index 37a5c2b..127b6eb 100644
--- a/app/src/main/java/com/acitelight/aether/view/VideoPlayer.kt
+++ b/app/src/main/java/com/acitelight/aether/view/VideoPlayer.kt
@@ -88,6 +88,7 @@ import androidx.compose.ui.platform.LocalConfiguration
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.sp
+import coil3.ImageLoader
 import coil3.compose.AsyncImage
 import coil3.request.ImageRequest
 import com.acitelight.aether.Global
@@ -572,7 +573,7 @@ fun VideoPlayerPortal(videoPlayerViewModel: VideoPlayerViewModel, navController:
                             videoPlayerViewModel._player?.pause()
                             val route = "video_player_route/${ "${i.klass}/${i.id}".toHex() }"
                             navController.navigate(route)
-                        })
+                        }, videoPlayerViewModel.imageLoader!!)
                     HorizontalDivider(Modifier.padding(vertical = 8.dp).alpha(0.25f), 1.dp, DividerDefaults.color)
                 }
             }
@@ -683,13 +684,13 @@ fun HorizontalGallery(videoPlayerViewModel: VideoPlayerViewModel)
         contentPadding = PaddingValues(horizontal = 24.dp)
     ) {
         items(videoPlayerViewModel.video?.getGallery() ?: listOf()) { it ->
-            SingleImageItem(img = it)
+            SingleImageItem(img = it, videoPlayerViewModel.imageLoader!!)
         }
     }
 }
 
 @Composable
-fun SingleImageItem(img: KeyImage) {
+fun SingleImageItem(img: KeyImage, imageLoader: ImageLoader) {
     AsyncImage(
         model = ImageRequest.Builder(LocalContext.current)
             .data(img.url)
@@ -700,7 +701,8 @@ fun SingleImageItem(img: KeyImage) {
         modifier = Modifier
             .fillMaxWidth()
             .clip(RoundedCornerShape(12.dp)),
-        contentScale = ContentScale.Crop
+        contentScale = ContentScale.Crop,
+        imageLoader = imageLoader
     )
 }
 
@@ -912,7 +914,7 @@ fun VideoPlayerLandscape(videoPlayerViewModel: VideoPlayerViewModel)
 }
 
 @Composable
-fun MiniVideoCard(modifier: Modifier, video: Video, onClick: () -> Unit)
+fun MiniVideoCard(modifier: Modifier, video: Video, onClick: () -> Unit, imageLoader: ImageLoader)
 {
     var isImageLoaded by remember { mutableStateOf(false) }
     Card(
@@ -943,7 +945,8 @@ fun MiniVideoCard(modifier: Modifier, video: Video, onClick: () -> Unit)
                 modifier = Modifier
                     .width(128.dp).fillMaxHeight()
                     .clip(RoundedCornerShape(8.dp)),
-                contentScale = ContentScale.Crop
+                contentScale = ContentScale.Crop,
+                imageLoader = imageLoader
             )
 
             Column (
diff --git a/app/src/main/java/com/acitelight/aether/view/VideoScreen.kt b/app/src/main/java/com/acitelight/aether/view/VideoScreen.kt
index ac15901..9254fbc 100644
--- a/app/src/main/java/com/acitelight/aether/view/VideoScreen.kt
+++ b/app/src/main/java/com/acitelight/aether/view/VideoScreen.kt
@@ -72,7 +72,7 @@ fun String.hexToString(charset: Charset = Charsets.UTF_8): String {
 @Composable
 fun VideoScreen(videoScreenViewModel: VideoScreenViewModel = viewModel(), navController: NavHostController)
 {
-    val videoList by videoScreenViewModel.videos.collectAsState()
+    videoScreenViewModel.SetupClient()
 
     Column(
         modifier = Modifier.fillMaxSize() // 或至少 fillMaxWidth()
@@ -86,7 +86,7 @@ fun VideoScreen(videoScreenViewModel: VideoScreenViewModel = viewModel(), navCon
             horizontalArrangement = Arrangement.spacedBy(8.dp)
         )
         {
-            items(videoList) { video ->
+            items(videoScreenViewModel.videos) { video ->
                 VideoCard(video, navController, videoScreenViewModel)
             }
         }
@@ -115,15 +115,13 @@ fun TopRow(videoScreenViewModel: VideoScreenViewModel)
 
 @Composable
 fun VideoCard(video: Video, navController: NavHostController, videoScreenViewModel: VideoScreenViewModel) {
-    val videoList by videoScreenViewModel.videos.collectAsState()
-
     Card(
         shape = RoundedCornerShape(6.dp),
         modifier = Modifier
             .fillMaxWidth()
             .wrapContentHeight(),
         onClick = {
-            Global.sameClassVideos = videoList
+            Global.sameClassVideos = videoScreenViewModel.videos
             val route = "video_player_route/${ "${video.klass}/${video.id}".toHex() }"
             navController.navigate(route)
         }
@@ -142,7 +140,8 @@ fun VideoCard(video: Video, navController: NavHostController, videoScreenViewMod
                     contentDescription = null,
                     modifier = Modifier
                         .fillMaxSize(),
-                    contentScale = ContentScale.Crop
+                    contentScale = ContentScale.Crop,
+                    imageLoader = videoScreenViewModel.imageLoader!!
                 )
 
                 Text(
diff --git a/app/src/main/java/com/acitelight/aether/viewModel/HomeScreenViewModel.kt b/app/src/main/java/com/acitelight/aether/viewModel/HomeScreenViewModel.kt
index 43723d3..1a3f016 100644
--- a/app/src/main/java/com/acitelight/aether/viewModel/HomeScreenViewModel.kt
+++ b/app/src/main/java/com/acitelight/aether/viewModel/HomeScreenViewModel.kt
@@ -11,11 +11,15 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.datastore.preferences.core.stringPreferencesKey
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
+import coil3.ImageLoader
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
+import okhttp3.OkHttpClient
 import com.acitelight.aether.Global
 import com.acitelight.aether.dataStore
 import com.acitelight.aether.model.Video
 import com.acitelight.aether.model.VideoQueryIndex
 import com.acitelight.aether.service.ApiClient
+import com.acitelight.aether.service.ApiClient.createOkHttp
 import com.acitelight.aether.service.AuthManager
 import com.acitelight.aether.service.MediaManager
 import com.acitelight.aether.service.MediaManager.token
@@ -52,6 +56,7 @@ class HomeScreenViewModel(application: Application) : AndroidViewModel(applicati
     }
 
     var _init = false
+    var imageLoader: ImageLoader? = null;
 
     @Composable
     fun Init(){
@@ -59,6 +64,11 @@ class HomeScreenViewModel(application: Application) : AndroidViewModel(applicati
         _init = true
 
         val context = LocalContext.current
+        imageLoader =  ImageLoader.Builder(context)
+            .components {
+                add(OkHttpNetworkFetcherFactory(createOkHttp()))
+            }
+            .build()
         remember {
             viewModelScope.launch {
                 RecentManager.Query(context)
diff --git a/app/src/main/java/com/acitelight/aether/viewModel/VideoPlayerViewModel.kt b/app/src/main/java/com/acitelight/aether/viewModel/VideoPlayerViewModel.kt
index 7cf0768..a6fc38d 100644
--- a/app/src/main/java/com/acitelight/aether/viewModel/VideoPlayerViewModel.kt
+++ b/app/src/main/java/com/acitelight/aether/viewModel/VideoPlayerViewModel.kt
@@ -16,10 +16,15 @@ import androidx.media3.common.MediaItem
 import androidx.media3.common.Player
 import androidx.media3.common.Player.STATE_READY
 import androidx.media3.common.util.UnstableApi
+import androidx.media3.datasource.okhttp.OkHttpDataSource
 import androidx.media3.exoplayer.ExoPlayer
+import androidx.media3.exoplayer.source.DefaultMediaSourceFactory
+import coil3.ImageLoader
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import com.acitelight.aether.Global
 import com.acitelight.aether.model.Video
 import com.acitelight.aether.model.VideoQueryIndex
+import com.acitelight.aether.service.ApiClient.createOkHttp
 import com.acitelight.aether.service.MediaManager
 import com.acitelight.aether.service.RecentManager
 import com.acitelight.aether.view.hexToString
@@ -46,6 +51,10 @@ class VideoPlayerViewModel() : ViewModel()
     var renderedFirst = false
     var video: Video? = null
 
+    val dataSourceFactory = OkHttpDataSource.Factory(createOkHttp())
+    var imageLoader: ImageLoader? = null;
+
+    @OptIn(UnstableApi::class)
     @Composable
     fun Init(videoId: String)
     {
@@ -53,11 +62,20 @@ class VideoPlayerViewModel() : ViewModel()
         val context = LocalContext.current
         val v = videoId.hexToString()
 
+        imageLoader =  ImageLoader.Builder(context)
+            .components {
+                add(OkHttpNetworkFetcherFactory(createOkHttp()))
+            }
+            .build()
+
         remember {
             viewModelScope.launch {
                 video = MediaManager.queryVideo(v.split("/")[0], v.split("/")[1])!!
                 RecentManager.Push(context, VideoQueryIndex(v.split("/")[0], v.split("/")[1]))
-                _player = ExoPlayer.Builder(context).build().apply {
+                _player = ExoPlayer
+                    .Builder(context)
+                    .setMediaSourceFactory(DefaultMediaSourceFactory(dataSourceFactory))
+                    .build().apply {
                     val url = video?.getVideo() ?: ""
                     val mediaItem = MediaItem.fromUri(url)
                     setMediaItem(mediaItem)
diff --git a/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt b/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt
index bdb850a..6e21392 100644
--- a/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt
+++ b/app/src/main/java/com/acitelight/aether/viewModel/VideoScreenViewModel.kt
@@ -1,18 +1,24 @@
 package com.acitelight.aether.viewModel
 
 import android.app.Application
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.State
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.ui.platform.LocalContext
 import androidx.datastore.preferences.core.stringPreferencesKey
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import coil3.ImageLoader
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import com.acitelight.aether.Global
 import com.acitelight.aether.dataStore
 import com.acitelight.aether.model.Video
 import com.acitelight.aether.service.ApiClient
+import com.acitelight.aether.service.ApiClient.createOkHttp
 import com.acitelight.aether.service.AuthManager
 import com.acitelight.aether.service.MediaManager
 import kotlinx.coroutines.flow.Flow
@@ -39,15 +45,27 @@ class VideoScreenViewModel(application: Application) : AndroidViewModel(applicat
     private val _tabIndex = mutableIntStateOf(0)
     val tabIndex: State<Int> = _tabIndex
 
-    private val _videos = MutableStateFlow<List<Video>>(emptyList())
-    val videos: StateFlow<List<Video>> = _videos
+    val videos = mutableStateListOf<Video>()
     private val _klasses = MutableStateFlow<List<String>>(emptyList())
     val klasses: StateFlow<List<String>> = _klasses;
+    var imageLoader: ImageLoader? = null;
+
+    @Composable
+    fun SetupClient()
+    {
+        val context = LocalContext.current
+        imageLoader =  ImageLoader.Builder(context)
+            .components {
+                add(OkHttpNetworkFetcherFactory(createOkHttp()))
+            }
+            .build()
+    }
 
     suspend fun init() {
         _klasses.value = MediaManager.listVideoKlasses()
-        val p = MediaManager.listVideos(_klasses.value.first())
-        _videos.value = p
+        MediaManager.listVideos(_klasses.value.first()){
+            v -> videos.add(videos.size, v)
+        }
     }
 
     fun setTabIndex(index: Int)
@@ -55,8 +73,11 @@ class VideoScreenViewModel(application: Application) : AndroidViewModel(applicat
         viewModelScope.launch()
         {
             _tabIndex.intValue = index;
-            val p = MediaManager.listVideos(_klasses.value[index])
-            _videos.value = p
+            videos.clear()
+            MediaManager.listVideos(_klasses.value[index])
+            {
+                v -> videos.add(videos.size, v)
+            }
         }
     }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a4eedaa..a49e2ee 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -14,7 +14,6 @@ junit = "4.13.2"
 junitVersion = "1.3.0"
 espressoCore = "3.7.0"
 kotlinxSerializationJson = "1.9.0"
-kotlinxSerializationJsonVersion = "1.9.0"
 lifecycleRuntimeKtx = "2.9.2"
 activityCompose = "1.10.1"
 composeBom = "2025.08.00"
@@ -25,9 +24,7 @@ navigationCompose = "2.9.3"
 okhttp = "5.1.0"
 retrofit = "3.0.0"
 retrofit2KotlinxSerializationConverter = "1.0.0"
-retrofitVersion = "3.0.0"
-tinkAndroid = "1.18.0"
-tweetnaclJava = "1.0.0"
+media3DatasourceOkhttp = "1.8.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -38,7 +35,6 @@ androidx-media3-exoplayer = { module = "androidx.media3:media3-exoplayer", versi
 androidx-media3-ui = { module = "androidx.media3:media3-ui", version.ref = "media3Ui" }
 androidx-navigation-compose = { module = "androidx.navigation:navigation-compose", version.ref = "navigationCompose" }
 bcprov-jdk15on = { module = "org.bouncycastle:bcprov-jdk15on", version.ref = "bcprovJdk15on" }
-bcprov-jdk18on = { module = "org.bouncycastle:bcprov-jdk18on", version.ref = "bcprovJdk18on" }
 coil-compose = { module = "io.coil-kt.coil3:coil-compose", version.ref = "coilCompose" }
 coil-network-okhttp = { module = "io.coil-kt.coil3:coil-network-okhttp", version.ref = "coilNetworkOkhttp" }
 converter-gson = { module = "com.squareup.retrofit2:converter-gson", version.ref = "converterGson" }
@@ -57,13 +53,10 @@ androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-man
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJson" }
-kotlinx-serialization-json-v163 = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinxSerializationJsonVersion" }
 okhttp = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
 retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
-retrofit-v2110 = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofitVersion" }
 retrofit2-kotlinx-serialization-converter = { module = "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter", version.ref = "retrofit2KotlinxSerializationConverter" }
-tink-android = { module = "com.google.crypto.tink:tink-android", version.ref = "tinkAndroid" }
-tweetnacl-java = { module = "com.github.InstantWebP2P:tweetnacl-java", version.ref = "tweetnaclJava" }
+androidx-media3-datasource-okhttp = { group = "androidx.media3", name = "media3-datasource-okhttp", version.ref = "media3DatasourceOkhttp" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }