diff --git a/app/.gitignore b/app/.gitignore
index e247f66..2c8fce9 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1,2 +1,2 @@
 /build
-/src/main/java/com/donut/mixfile/server/uploaders/hidden
\ No newline at end of file
+/src/main/java/com/donut/mixfile/server/core/uploaders/hidden
\ No newline at end of file
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 6513692..5e12f85 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -13,10 +13,10 @@ android {
     compileSdk = 35
     defaultConfig {
         applicationId = "com.donut.mixfile"
-        minSdk = 24
+        minSdk = 26
         targetSdk = 35
         versionCode = 87
-        versionName = "1.12.4"
+        versionName = "1.12.5"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
@@ -69,7 +69,10 @@ val brotliVersion = "1.17.0"
 val operatingSystem: OperatingSystem = DefaultNativePlatform.getCurrentOperatingSystem()
 
 dependencies {
-    implementation("androidx.compose.material:material-icons-extended:1.7.8")
+    implementation(libs.androidx.material.icons.extended)
+    implementation(libs.fastjson2.kotlin)
+    implementation(libs.kotlin.stdlib)
+    implementation(libs.kotlin.reflect)
     implementation(libs.mmkv)
     implementation(libs.mimetypes)
     implementation(libs.zoomable)
@@ -80,7 +83,7 @@ dependencies {
     implementation(libs.ktor.server.default.headers)
     implementation(libs.ktor.server.cors)
     implementation(libs.ktor.server.netty)
-    implementation(libs.ktor.serialization.gson)
+//    implementation(libs.ktor.serialization.gson)
     implementation(libs.coil)
     implementation(libs.coil.compose)
     implementation(libs.coil.gif)
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index d16cbef..5d45665 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -25,6 +25,7 @@
 -keep class com.donut.mixfile.** { *; }
 -keep class com.tencent.mmkv.** {*;}
 -keep class io.netty.** {*;}
+-keep class com.alibaba.** {*;}
 -dontwarn xyz.doikki.videoplayer.**
 -dontwarn java.lang.management.ManagementFactory
 -dontwarn java.lang.management.RuntimeMXBean
diff --git a/app/src/main/java/com/donut/mixfile/App.kt b/app/src/main/java/com/donut/mixfile/App.kt
index 23244e8..9ff9e5b 100644
--- a/app/src/main/java/com/donut/mixfile/App.kt
+++ b/app/src/main/java/com/donut/mixfile/App.kt
@@ -14,6 +14,7 @@ import coil.decode.SvgDecoder
 import coil.decode.VideoFrameDecoder
 import com.donut.mixfile.server.FileService
 import com.donut.mixfile.server.UPLOADERS
+import com.donut.mixfile.server.core.utils.registerJson
 import com.donut.mixfile.util.objects.MixActivity
 import com.donut.mixfile.util.showError
 import com.donut.mixfile.util.showErrorDialog
@@ -41,6 +42,7 @@ class App : Application(), ImageLoaderFactory {
 
     override fun onCreate() {
         super.onCreate()
+        registerJson()
         Thread.setDefaultUncaughtExceptionHandler { t, e ->
             showError(e)
             if (Looper.myLooper() == null) {
diff --git a/app/src/main/java/com/donut/mixfile/activity/DialogActivity.kt b/app/src/main/java/com/donut/mixfile/activity/DialogActivity.kt
index d52091e..ccafa66 100644
--- a/app/src/main/java/com/donut/mixfile/activity/DialogActivity.kt
+++ b/app/src/main/java/com/donut/mixfile/activity/DialogActivity.kt
@@ -24,10 +24,10 @@ import androidx.compose.ui.unit.sp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import com.donut.mixfile.currentActivity
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
 import com.donut.mixfile.ui.component.common.CommonColumn
 import com.donut.mixfile.ui.theme.MainTheme
 import com.donut.mixfile.ui.theme.colorScheme
-import com.donut.mixfile.util.file.resolveMixShareInfo
 import com.donut.mixfile.util.file.showFileInfoDialog
 import com.donut.mixfile.util.objects.MixActivity
 
diff --git a/app/src/main/java/com/donut/mixfile/activity/video/player/PlayerView.kt b/app/src/main/java/com/donut/mixfile/activity/video/player/PlayerView.kt
index 8c67749..99ce556 100644
--- a/app/src/main/java/com/donut/mixfile/activity/video/player/PlayerView.kt
+++ b/app/src/main/java/com/donut/mixfile/activity/video/player/PlayerView.kt
@@ -160,9 +160,10 @@ fun VideoPlayerScreen(
             },
             modifier = Modifier.fillMaxSize()
         )
+        val currentMediaTitle = videoUris[currentMediaItem].fragment ?: ""
 
         TopControl(
-            title = "${currentMediaItem + 1} - ${videoUris[currentMediaItem].fragment ?: ""}",
+            title = if (videoUris.size > 1) "${currentMediaItem + 1} - ${currentMediaTitle}" else currentMediaTitle,
             visible = controlsVisible,
             modifier = Modifier.align(Alignment.TopCenter)
         )
diff --git a/app/src/main/java/com/donut/mixfile/activity/video/player/TopControl.kt b/app/src/main/java/com/donut/mixfile/activity/video/player/TopControl.kt
index 82e0f23..4acd622 100644
--- a/app/src/main/java/com/donut/mixfile/activity/video/player/TopControl.kt
+++ b/app/src/main/java/com/donut/mixfile/activity/video/player/TopControl.kt
@@ -8,17 +8,25 @@ import androidx.compose.animation.slideOutVertically
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.ExperimentalLayoutApi
-import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBackIosNew
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+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.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.donut.mixfile.currentActivity
 import com.donut.mixfile.ui.theme.colorScheme
 import com.donut.mixfile.util.formatTime
 import java.util.Date
@@ -36,18 +44,45 @@ fun TopControl(title: String, visible: Boolean, modifier: Modifier) {
         visible = visible,
         modifier = modifier
     ) {
-        FlowRow(
-            verticalArrangement = Arrangement.Center,
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
             horizontalArrangement = Arrangement.SpaceBetween,
             modifier = Modifier
                 .fillMaxWidth()
                 .background(Color.Black.copy(alpha = 0.1f))
                 .padding(10.dp, 15.dp),
         ) {
-            Text(
-                text = title,
-                color = Color.White,
-            )
+            Row(
+                modifier = Modifier.weight(0.8f),
+                horizontalArrangement = Arrangement.spacedBy(10.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Row(
+                    modifier = Modifier.width(40.dp),
+                    horizontalArrangement = Arrangement.End,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    IconButton(
+                        modifier = Modifier.size(20.dp),
+                        onClick = {
+                            currentActivity.finish()
+                        },
+                    ) {
+                        Icon(
+                            modifier = Modifier.size(100.dp),
+                            imageVector = Icons.Default.ArrowBackIosNew,
+                            contentDescription = "Exit",
+                            tint = Color.White
+                        )
+                    }
+                }
+                Text(
+                    text = title,
+                    color = Color.White,
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+            }
             val batteryManager =
                 LocalContext.current.getSystemService(BATTERY_SERVICE) as BatteryManager
 
diff --git a/app/src/main/java/com/donut/mixfile/server/Client.kt b/app/src/main/java/com/donut/mixfile/server/Client.kt
deleted file mode 100644
index 2673933..0000000
--- a/app/src/main/java/com/donut/mixfile/server/Client.kt
+++ /dev/null
@@ -1,69 +0,0 @@
-package com.donut.mixfile.server
-
-import com.donut.mixfile.util.cachedMutableOf
-import com.google.gson.GsonBuilder
-import io.ktor.client.HttpClient
-import io.ktor.client.engine.okhttp.OkHttp
-import io.ktor.client.plugins.DefaultRequest
-import io.ktor.client.plugins.HttpRequestRetry
-import io.ktor.client.plugins.HttpTimeout
-import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
-import io.ktor.http.ContentType
-import io.ktor.http.content.OutgoingContent
-import io.ktor.http.userAgent
-import io.ktor.serialization.gson.GsonConverter
-import io.ktor.serialization.gson.gson
-import io.ktor.utils.io.ByteWriteChannel
-import io.ktor.utils.io.jvm.javaio.toOutputStream
-import okhttp3.Dispatcher
-import java.io.InputStream
-
-var UPLOAD_RETRY_TIMES by cachedMutableOf(3, "UPLOAD_RETRY_TIMES")
-
-val uploadClient = HttpClient(OkHttp) {
-    engine {
-        config {
-            dispatcher(Dispatcher().apply {
-                maxRequestsPerHost = Int.MAX_VALUE
-                maxRequests = Int.MAX_VALUE
-            })
-        }
-    }
-    install(ContentNegotiation) {
-        gson()
-        register(ContentType.Any, GsonConverter(GsonBuilder().create()))
-    }
-    install(HttpRequestRetry) {
-        maxRetries = UPLOAD_RETRY_TIMES.toInt()
-        retryOnException(retryOnTimeout = true)
-        retryOnServerErrors()
-        delayMillis { retry ->
-            retry * 100L
-        }
-    }
-    install(HttpTimeout) {
-        requestTimeoutMillis = 1000 * 120
-    }
-    install(DefaultRequest) {
-        userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36")
-    }
-}
-
-val localClient = HttpClient(OkHttp).config {
-    install(HttpTimeout) {
-        requestTimeoutMillis = 1000 * 60 * 60 * 24 * 30L
-        socketTimeoutMillis = 1000 * 60 * 60
-        connectTimeoutMillis = 1000 * 60 * 60
-    }
-}
-
-class StreamContent(private val stream: InputStream, val length: Long = 0) :
-    OutgoingContent.WriteChannelContent() {
-    override suspend fun writeTo(channel: ByteWriteChannel) {
-        stream.copyTo(channel.toOutputStream())
-    }
-
-    override val contentLength: Long
-        get() = length
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/uploaders/CustomUploader.kt b/app/src/main/java/com/donut/mixfile/server/CustomUploader.kt
similarity index 60%
rename from app/src/main/java/com/donut/mixfile/server/uploaders/CustomUploader.kt
rename to app/src/main/java/com/donut/mixfile/server/CustomUploader.kt
index cc13571..ea07aa6 100644
--- a/app/src/main/java/com/donut/mixfile/server/uploaders/CustomUploader.kt
+++ b/app/src/main/java/com/donut/mixfile/server/CustomUploader.kt
@@ -1,8 +1,11 @@
-package com.donut.mixfile.server.uploaders
+package com.donut.mixfile.server
 
-import com.donut.mixfile.server.Uploader
-import com.donut.mixfile.server.uploadClient
+import com.donut.mixfile.server.core.Uploader
+import com.donut.mixfile.server.core.uploaders.A3Uploader
+import com.donut.mixfile.server.core.uploaders.hidden.A1Uploader
+import com.donut.mixfile.server.core.uploaders.hidden.A2Uploader
 import com.donut.mixfile.util.cachedMutableOf
+import io.ktor.client.HttpClient
 import io.ktor.client.request.get
 import io.ktor.client.request.put
 import io.ktor.client.request.setBody
@@ -17,10 +20,16 @@ var CUSTOM_UPLOAD_URL by cachedMutableOf("", "CUSTOM_UPLOAD_URL")
 
 var CUSTOM_REFERER by cachedMutableOf("", "CUSTOM_REFERER")
 
+val UPLOADERS = listOf(A1Uploader, A2Uploader, A3Uploader, CustomUploader)
+
+var currentUploader by cachedMutableOf(A1Uploader.name, "current_uploader")
+
+fun getCurrentUploader() = UPLOADERS.firstOrNull { it.name == currentUploader } ?: A1Uploader
+
 object CustomUploader : Uploader("自定义") {
 
-    override suspend fun genHead(): ByteArray {
-        return uploadClient.get {
+    override suspend fun genHead(client: HttpClient): ByteArray {
+        return client.get {
             url(CUSTOM_UPLOAD_URL)
         }.also {
             val referer = it.headers["referer"]
@@ -35,8 +44,8 @@ object CustomUploader : Uploader("自定义") {
     override val referer: String
         get() = CUSTOM_REFERER
 
-    override suspend fun doUpload(fileData: ByteArray): String {
-        val response = uploadClient.put {
+    override suspend fun doUpload(fileData: ByteArray, client: HttpClient): String {
+        val response = client.put {
             url(CUSTOM_UPLOAD_URL)
             setBody(fileData)
         }
diff --git a/app/src/main/java/com/donut/mixfile/server/FileService.kt b/app/src/main/java/com/donut/mixfile/server/FileService.kt
index 7e6e584..c6e524c 100644
--- a/app/src/main/java/com/donut/mixfile/server/FileService.kt
+++ b/app/src/main/java/com/donut/mixfile/server/FileService.kt
@@ -8,10 +8,98 @@ import android.app.Service
 import android.content.Intent
 import android.os.Build
 import android.os.IBinder
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.core.app.NotificationCompat
+import com.alibaba.fastjson2.toJSONString
 import com.donut.mixfile.MainActivity
 import com.donut.mixfile.R
+import com.donut.mixfile.app
+import com.donut.mixfile.appScope
+import com.donut.mixfile.server.core.MixFileServer
+import com.donut.mixfile.server.core.Uploader
+import com.donut.mixfile.server.core.utils.MixUploadTask
+import com.donut.mixfile.server.image.createBlankBitmap
+import com.donut.mixfile.server.image.toGif
+import com.donut.mixfile.ui.routes.home.UploadTask
 import com.donut.mixfile.ui.routes.home.serverAddress
+import com.donut.mixfile.ui.routes.increaseDownloadData
+import com.donut.mixfile.ui.routes.increaseUploadData
+import com.donut.mixfile.util.cachedMutableOf
+import com.donut.mixfile.util.file.favorites
+import com.donut.mixfile.util.showError
+import io.ktor.server.application.ApplicationCall
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import java.io.FileNotFoundException
+import java.io.InputStream
+
+var DOWNLOAD_TASK_COUNT by cachedMutableOf(5, "download_task_count")
+var UPLOAD_TASK_COUNT by cachedMutableOf(10, "upload_task_count")
+var enableAccessKey by cachedMutableOf(false, "enable_mix_file_access_key")
+var UPLOAD_RETRY_TIMES by cachedMutableOf(10, "UPLOAD_RETRY_TIMES")
+
+
+val mixFileServer = object : MixFileServer(
+    accessKeyTip = "网页端已被禁止访问,请到APP设置中开启",
+    enableAccessKey = enableAccessKey,
+) {
+
+    override fun onDownloadData(data: ByteArray) {
+        increaseDownloadData(data.size.toLong())
+    }
+
+    override fun onUploadData(data: ByteArray) {
+        increaseUploadData(data.size.toLong())
+    }
+
+
+    override val downloadTaskCount: Int
+        get() = DOWNLOAD_TASK_COUNT.toInt()
+    override val uploadTaskCount: Int
+        get() = UPLOAD_TASK_COUNT.toInt()
+    override val requestRetryCount: Int
+        get() = UPLOAD_RETRY_TIMES.toInt()
+
+
+    override fun onError(error: Throwable) {
+        showError(error)
+    }
+
+    override fun getUploader(): Uploader {
+        return getCurrentUploader()
+    }
+
+    override fun getStaticFile(path: String): InputStream? {
+        try {
+            val fileStream = app.assets.open(path)
+            return fileStream
+        } catch (e: FileNotFoundException) {
+            return null
+        }
+    }
+
+    override fun genDefaultImage(): ByteArray {
+        return createBlankBitmap().toGif()
+    }
+
+    override fun getFileHistory(): String {
+        return favorites.takeLast(1000).toJSONString()
+    }
+
+    override fun getUploadTask(
+        call: ApplicationCall,
+        name: String,
+        size: Long,
+        add: Boolean
+    ): MixUploadTask {
+        return UploadTask(call, name, size, add)
+    }
+
+}
+var serverStarted by mutableStateOf(false)
 
 
 class FileService : Service() {
@@ -28,7 +116,11 @@ class FileService : Service() {
 
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        startServer()
+        appScope.launch(Dispatchers.IO) {
+            mixFileServer.start()
+            delay(1000)
+            serverStarted = true
+        }
         return START_STICKY
     }
 
diff --git a/app/src/main/java/com/donut/mixfile/server/Utils.kt b/app/src/main/java/com/donut/mixfile/server/Utils.kt
new file mode 100644
index 0000000..aa70a81
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/Utils.kt
@@ -0,0 +1,13 @@
+package com.donut.mixfile.server
+
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import com.donut.mixfile.ui.routes.home.getLocalServerAddress
+import com.donut.mixfile.ui.routes.home.serverAddress
+import com.donut.mixfile.util.getFileAccessUrl
+
+val MixShareInfo.downloadUrl: String
+    get() = getFileAccessUrl(getLocalServerAddress(), this.toString(), fileName)
+
+
+val MixShareInfo.lanUrl: String
+    get() = getFileAccessUrl(serverAddress, this.toString(), fileName)
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/core/Client.kt b/app/src/main/java/com/donut/mixfile/server/core/Client.kt
new file mode 100644
index 0000000..6b8cde7
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/Client.kt
@@ -0,0 +1,63 @@
+package com.donut.mixfile.server.core
+
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.okhttp.OkHttp
+import io.ktor.client.plugins.DefaultRequest
+import io.ktor.client.plugins.HttpRequestRetry
+import io.ktor.client.plugins.HttpTimeout
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.http.content.OutgoingContent
+import io.ktor.http.userAgent
+import io.ktor.utils.io.ByteWriteChannel
+import io.ktor.utils.io.jvm.javaio.toOutputStream
+import okhttp3.Dispatcher
+import java.io.InputStream
+
+
+val MixFileServer.httpClient
+    get() = HttpClient(OkHttp) {
+        engine {
+            config {
+                dispatcher(Dispatcher().apply {
+                    maxRequestsPerHost = Int.MAX_VALUE
+                    maxRequests = Int.MAX_VALUE
+                })
+            }
+        }
+        install(ContentNegotiation) {
+
+        }
+        install(HttpRequestRetry) {
+            maxRetries = uploadTaskCount
+            retryOnException(retryOnTimeout = true)
+            retryOnServerErrors()
+            delayMillis { retry ->
+                retry * 100L
+            }
+        }
+        install(HttpTimeout) {
+            requestTimeoutMillis = 1000 * 120
+        }
+        install(DefaultRequest) {
+            userAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36")
+        }
+    }
+
+val localClient = HttpClient(OkHttp).config {
+    install(HttpTimeout) {
+        requestTimeoutMillis = 1000 * 60 * 60 * 24 * 30L
+        socketTimeoutMillis = 1000 * 60 * 60
+        connectTimeoutMillis = 1000 * 60 * 60
+    }
+}
+
+class StreamContent(private val stream: InputStream, val length: Long = 0) :
+    OutgoingContent.WriteChannelContent() {
+    override suspend fun writeTo(channel: ByteWriteChannel) {
+        stream.copyTo(channel.toOutputStream())
+    }
+
+    override val contentLength: Long
+        get() = length
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/FileServer.kt b/app/src/main/java/com/donut/mixfile/server/core/MixFileServer.kt
similarity index 56%
rename from app/src/main/java/com/donut/mixfile/server/FileServer.kt
rename to app/src/main/java/com/donut/mixfile/server/core/MixFileServer.kt
index 87bc5d2..28aa2a3 100644
--- a/app/src/main/java/com/donut/mixfile/server/FileServer.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/MixFileServer.kt
@@ -1,19 +1,16 @@
-package com.donut.mixfile.server
+package com.donut.mixfile.server.core
 
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableIntStateOf
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.setValue
-import com.donut.mixfile.appScope
-import com.donut.mixfile.server.routes.getRoutes
-import com.donut.mixfile.util.cachedMutableOf
-import com.donut.mixfile.util.genRandomString
-import com.donut.mixfile.util.ignoreError
-import com.donut.mixfile.util.showError
+
+import com.donut.mixfile.server.core.routes.getRoutes
+import com.donut.mixfile.server.core.utils.MixUploadTask
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.genRandomString
+import com.donut.mixfile.server.core.utils.ignoreError
+import com.donut.mixfile.server.core.utils.registerJson
 import io.ktor.http.HttpHeaders
 import io.ktor.http.HttpMethod
 import io.ktor.http.HttpStatusCode
-import io.ktor.serialization.gson.gson
+import io.ktor.server.application.ApplicationCall
 import io.ktor.server.application.ApplicationCallPipeline
 import io.ktor.server.application.call
 import io.ktor.server.application.install
@@ -24,30 +21,75 @@ import io.ktor.server.plugins.cors.routing.CORS
 import io.ktor.server.plugins.statuspages.StatusPages
 import io.ktor.server.response.respondText
 import io.ktor.server.routing.routing
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import java.io.IOException
+import java.io.InputStream
 import java.net.ServerSocket
 
-var serverPort by mutableIntStateOf(4719)
-val accessKey = genRandomString(32)
-var enableAccessKey by cachedMutableOf(false, "enable_mix_file_access_key")
-var serverStarted by mutableStateOf(false)
 
-fun startServer() {
-    appScope.launch(Dispatchers.IO) {
+abstract class MixFileServer(
+    var serverPort: Int = 4719,
+    var accessKey: String = genRandomString(32),
+    var enableAccessKey: Boolean = false,
+    var accessKeyTip: String = "Require Access Key",
+) {
+
+    init {
+        registerJson()
+    }
+
+    abstract val downloadTaskCount: Int
+    abstract val uploadTaskCount: Int
+    abstract val requestRetryCount: Int
+
+    abstract fun onError(error: Throwable)
+
+    abstract fun getUploader(): Uploader
+
+    abstract fun getStaticFile(path: String): InputStream?
+
+    abstract fun genDefaultImage(): ByteArray
+
+    abstract fun getFileHistory(): String
+
+    open fun getUploadTask(
+        call: ApplicationCall,
+        name: String,
+        size: Long,
+        add: Boolean
+    ): MixUploadTask = object : MixUploadTask {
+        override var error: Throwable? = null
+
+        override var stopped: Boolean = false
+
+        override suspend fun complete(shareInfo: MixShareInfo) {
+        }
+
+        override var onStop: () -> Unit = {}
+        override suspend fun updateProgress(size: Long, total: Long) {
+        }
+
+    }
+
+    open fun onDownloadData(data: ByteArray) {
+
+    }
+
+    open fun onUploadData(data: ByteArray) {
+
+    }
+
+
+    fun start() {
         serverPort = findAvailablePort(serverPort) ?: serverPort
         embeddedServer(Netty, port = serverPort, watchPaths = emptyList()) {
             intercept(ApplicationCallPipeline.Call) {
                 val key = call.request.queryParameters["accessKey"]
                 if (enableAccessKey && !key.contentEquals(accessKey)) {
-                    call.respondText("网页端已被禁止访问,请到APP设置中开启")
+                    call.respondText(accessKeyTip)
                     finish()
                 }
             }
             install(ContentNegotiation) {
-                gson()
+
             }
             install(CORS) {
                 allowOrigins { true }
@@ -66,19 +108,11 @@ fun startServer() {
                         "发生错误: ${cause.message} ${cause.stackTraceToString()}",
                         status = HttpStatusCode.InternalServerError
                     )
-                    if (cause is IOException) {
-                        return@exception
-                    }
-                    when (cause.message) {
-                        "服务器达到并发限制" -> Unit
-                        else -> showError(cause)
-                    }
+                    onError(cause)
                 }
             }
             routing(getRoutes())
-        }.start(wait = false)
-        delay(1000)
-        serverStarted = true
+        }.start(wait = true)
     }
 }
 
diff --git a/app/src/main/java/com/donut/mixfile/server/Uploader.kt b/app/src/main/java/com/donut/mixfile/server/core/Uploader.kt
similarity index 53%
rename from app/src/main/java/com/donut/mixfile/server/Uploader.kt
rename to app/src/main/java/com/donut/mixfile/server/core/Uploader.kt
index 0be4d4d..e3be445 100644
--- a/app/src/main/java/com/donut/mixfile/server/Uploader.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/Uploader.kt
@@ -1,29 +1,15 @@
-package com.donut.mixfile.server
+package com.donut.mixfile.server.core
 
-import com.donut.mixfile.server.uploaders.A3Uploader
-import com.donut.mixfile.server.uploaders.CustomUploader
-import com.donut.mixfile.server.uploaders.hidden.A1Uploader
-import com.donut.mixfile.server.uploaders.hidden.A2Uploader
-import com.donut.mixfile.server.utils.bean.hashMixSHA256
-import com.donut.mixfile.server.utils.createBlankBitmap
-import com.donut.mixfile.server.utils.toGif
-import com.donut.mixfile.ui.routes.increaseUploadData
-import com.donut.mixfile.util.cachedMutableOf
-import com.donut.mixfile.util.encryptAES
-
-val UPLOADERS = listOf(A1Uploader, A2Uploader, A3Uploader, CustomUploader)
-
-var currentUploader by cachedMutableOf(A1Uploader.name, "current_uploader")
-
-
-fun getCurrentUploader() = UPLOADERS.firstOrNull { it.name == currentUploader } ?: A1Uploader
+import com.donut.mixfile.server.core.aes.encryptAES
+import com.donut.mixfile.server.core.utils.bean.hashMixSHA256
+import io.ktor.client.HttpClient
 
 abstract class Uploader(val name: String) {
 
     open val referer = ""
     open val chunkSize = 1024L * 1024L
 
-    abstract suspend fun doUpload(fileData: ByteArray): String
+    abstract suspend fun doUpload(fileData: ByteArray, client: HttpClient): String
 
     companion object {
         val urlTransforms = mutableMapOf<String, (String) -> String>()
@@ -53,16 +39,24 @@ abstract class Uploader(val name: String) {
         }
     }
 
-    suspend fun upload(head: ByteArray, fileData: ByteArray, key: ByteArray): String {
+    suspend fun upload(
+        head: ByteArray,
+        fileData: ByteArray,
+        key: ByteArray,
+        mixFileServer: MixFileServer
+    ): String {
         val encryptedData = encryptBytes(head, fileData, key)
         try {
-            return doUpload(encryptedData) + "#${fileData.hashMixSHA256()}"
+            return doUpload(
+                encryptedData,
+                mixFileServer.httpClient
+            ) + "#${fileData.hashMixSHA256()}"
         } finally {
-            increaseUploadData(encryptedData.size.toLong())
+            mixFileServer.onUploadData(encryptedData)
         }
     }
 
-    open suspend fun genHead() = createBlankBitmap().toGif()
+    open suspend fun genHead(client: HttpClient): ByteArray? = null
     private fun encryptBytes(head: ByteArray, fileData: ByteArray, key: ByteArray): ByteArray {
         return head + (encryptAES(fileData, key))
     }
diff --git a/app/src/main/java/com/donut/mixfile/util/AES.kt b/app/src/main/java/com/donut/mixfile/server/core/aes/AES.kt
similarity index 97%
rename from app/src/main/java/com/donut/mixfile/util/AES.kt
rename to app/src/main/java/com/donut/mixfile/server/core/aes/AES.kt
index dbb313a..a9feeb8 100644
--- a/app/src/main/java/com/donut/mixfile/util/AES.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/aes/AES.kt
@@ -1,4 +1,4 @@
-package com.donut.mixfile.util
+package com.donut.mixfile.server.core.aes
 
 import io.ktor.utils.io.ByteReadChannel
 import io.ktor.utils.io.readRemaining
diff --git a/app/src/main/java/com/donut/mixfile/server/routes/DownloadRoute.kt b/app/src/main/java/com/donut/mixfile/server/core/routes/DownloadRoute.kt
similarity index 82%
rename from app/src/main/java/com/donut/mixfile/server/routes/DownloadRoute.kt
rename to app/src/main/java/com/donut/mixfile/server/core/routes/DownloadRoute.kt
index c69164a..1bf6420 100644
--- a/app/src/main/java/com/donut/mixfile/server/routes/DownloadRoute.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/routes/DownloadRoute.kt
@@ -1,11 +1,11 @@
-package com.donut.mixfile.server.routes
+package com.donut.mixfile.server.core.routes
 
-import com.donut.mixfile.server.utils.bean.MixShareInfo
-import com.donut.mixfile.ui.routes.increaseDownloadData
-import com.donut.mixfile.util.cachedMutableOf
-import com.donut.mixfile.util.encodeURL
-import com.donut.mixfile.util.file.resolveMixShareInfo
-import com.donut.mixfile.util.objects.SortedTask
+import com.donut.mixfile.server.core.MixFileServer
+import com.donut.mixfile.server.core.httpClient
+import com.donut.mixfile.server.core.utils.SortedTask
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.encodeURL
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
 import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
 import io.ktor.http.withCharset
@@ -24,10 +24,9 @@ import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.coroutineScope
 import kotlin.io.encoding.ExperimentalEncodingApi
 
-var DOWNLOAD_TASK_COUNT by cachedMutableOf(5, "download_task_count")
 
 @OptIn(ExperimentalEncodingApi::class)
-fun getDownloadRoute(): RoutingHandler {
+fun MixFileServer.getDownloadRoute(): RoutingHandler {
     return route@{
         val shareInfoData = call.request.queryParameters["s"]
         val referer = call.request.queryParameters["referer"]
@@ -40,7 +39,7 @@ fun getDownloadRoute(): RoutingHandler {
             call.respondText("解析文件失败", status = HttpStatusCode.InternalServerError)
             return@route
         }
-        val mixFile = shareInfo.fetchMixFile()
+        val mixFile = shareInfo.fetchMixFile(httpClient)
         if (mixFile == null) {
             call.respondText(
                 "解析文件索引失败",
@@ -66,11 +65,11 @@ fun getDownloadRoute(): RoutingHandler {
             }
             contentLength = mixFile.fileSize - range.first
         }
-        responseFileStream(call, fileList, contentLength, shareInfo, referer)
+        responseDownloadFileStream(call, fileList, contentLength, shareInfo, referer)
     }
 }
 
-private suspend fun responseFileStream(
+private suspend fun MixFileServer.responseDownloadFileStream(
     call: ApplicationCall,
     fileDataList: List<Pair<String, Int>>,
     contentLength: Long,
@@ -83,7 +82,7 @@ private suspend fun responseFileStream(
             contentType = ContentType.parse(shareInfo.contentType()).withCharset(Charsets.UTF_8),
             contentLength = contentLength
         ) {
-            val sortedTask = SortedTask(DOWNLOAD_TASK_COUNT.toInt())
+            val sortedTask = SortedTask(downloadTaskCount)
             val tasks = mutableListOf<Deferred<Unit>>()
             while (!isClosedForWrite && fileList.isNotEmpty()) {
                 val currentMeta = fileList.removeAt(0)
@@ -91,7 +90,8 @@ private suspend fun responseFileStream(
                 sortedTask.prepareTask(taskOrder)
                 tasks.add(async {
                     val url = currentMeta.first
-                    val dataBytes = shareInfo.fetchFile(url, referer ?: shareInfo.referer)
+                    val dataBytes =
+                        shareInfo.fetchFile(url, httpClient, referer ?: shareInfo.referer)
                     val range = currentMeta.second
                     if (dataBytes == null) {
                         call.respondText(
@@ -108,7 +108,7 @@ private suspend fun responseFileStream(
                         }
                         try {
                             writeFully(dataToWrite)
-                            increaseDownloadData(dataToWrite.size.toLong())
+                            onDownloadData(dataToWrite)
                         } catch (e: Exception) {
                             close(e)
                         }
diff --git a/app/src/main/java/com/donut/mixfile/server/routes/Routes.kt b/app/src/main/java/com/donut/mixfile/server/core/routes/Routes.kt
similarity index 60%
rename from app/src/main/java/com/donut/mixfile/server/routes/Routes.kt
rename to app/src/main/java/com/donut/mixfile/server/core/routes/Routes.kt
index 0bba4ad..46a83e7 100644
--- a/app/src/main/java/com/donut/mixfile/server/routes/Routes.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/routes/Routes.kt
@@ -1,12 +1,10 @@
-package com.donut.mixfile.server.routes
+package com.donut.mixfile.server.core.routes
 
-import com.donut.mixfile.app
-import com.donut.mixfile.util.file.favorites
-import com.donut.mixfile.util.file.resolveMixShareInfo
-import com.donut.mixfile.util.isNotNull
-import com.donut.mixfile.util.parseFileMimeType
-import com.donut.mixfile.util.toJsonString
-import com.google.gson.JsonObject
+import com.alibaba.fastjson2.toJSONString
+import com.donut.mixfile.server.core.MixFileServer
+import com.donut.mixfile.server.core.utils.isNotNull
+import com.donut.mixfile.server.core.utils.parseFileMimeType
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
 import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
 import io.ktor.server.request.header
@@ -19,24 +17,19 @@ import io.ktor.server.routing.get
 import io.ktor.server.routing.put
 import io.ktor.server.routing.route
 import io.ktor.utils.io.jvm.javaio.toOutputStream
-import java.io.FileNotFoundException
 
-fun getRoutes(): Routing.() -> Unit {
+fun MixFileServer.getRoutes(): Routing.() -> Unit {
 
     return {
         get("{param...}") {
             val file = call.request.path().substring(1).ifEmpty {
                 "index.html"
             }
-            try {
-                val fileStream = app.assets.open(file)
-                call.respondBytesWriter(
-                    contentType = ContentType.parse(file.parseFileMimeType())
-                ) {
-                    fileStream.copyTo(this.toOutputStream())
-                }
-            } catch (e: FileNotFoundException) {
-                call.respond(HttpStatusCode.NotFound)
+            val fileStream = getStaticFile(file) ?: return@get call.respond(HttpStatusCode.NotFound)
+            call.respondBytesWriter(
+                contentType = ContentType.parse(file.parseFileMimeType())
+            ) {
+                fileStream.copyTo(this.toOutputStream())
             }
         }
         route("/api") {
@@ -46,7 +39,7 @@ fun getRoutes(): Routing.() -> Unit {
                 if (call.request.header("origin").isNotNull()) {
                     return@get call.respondText("此接口禁止跨域", status = HttpStatusCode.Forbidden)
                 }
-                call.respond(favorites.takeLast(1000).toJsonString())
+                call.respond(getFileHistory())
             }
             get("/file_info") {
                 val shareInfoStr = call.request.queryParameters["s"]
@@ -62,10 +55,10 @@ fun getRoutes(): Routing.() -> Unit {
                     )
                     return@get
                 }
-                call.respondText(JsonObject().apply {
-                    addProperty("name", shareInfo.fileName)
-                    addProperty("size", shareInfo.fileSize)
-                }.toString())
+                call.respondText(object {
+                    val name = shareInfo.fileName
+                    val size = shareInfo.fileSize
+                }.toJSONString())
             }
         }
     }
diff --git a/app/src/main/java/com/donut/mixfile/server/routes/UploadRoute.kt b/app/src/main/java/com/donut/mixfile/server/core/routes/UploadRoute.kt
similarity index 75%
rename from app/src/main/java/com/donut/mixfile/server/routes/UploadRoute.kt
rename to app/src/main/java/com/donut/mixfile/server/core/routes/UploadRoute.kt
index 0ac2ab4..9d3b5ad 100644
--- a/app/src/main/java/com/donut/mixfile/server/routes/UploadRoute.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/routes/UploadRoute.kt
@@ -1,12 +1,12 @@
-package com.donut.mixfile.server.routes
+package com.donut.mixfile.server.core.routes
 
-import com.donut.mixfile.server.Uploader
-import com.donut.mixfile.server.getCurrentUploader
-import com.donut.mixfile.server.utils.bean.MixFile
-import com.donut.mixfile.server.utils.bean.MixShareInfo
-import com.donut.mixfile.ui.routes.home.UploadTask
-import com.donut.mixfile.util.cachedMutableOf
-import com.donut.mixfile.util.generateRandomByteArray
+import com.donut.mixfile.server.core.MixFileServer
+import com.donut.mixfile.server.core.Uploader
+import com.donut.mixfile.server.core.aes.generateRandomByteArray
+import com.donut.mixfile.server.core.httpClient
+import com.donut.mixfile.server.core.utils.MixUploadTask
+import com.donut.mixfile.server.core.utils.bean.MixFile
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
 import io.ktor.http.HttpStatusCode
 import io.ktor.server.request.contentLength
 import io.ktor.server.request.receiveChannel
@@ -15,7 +15,6 @@ import io.ktor.server.routing.RoutingHandler
 import io.ktor.utils.io.ByteReadChannel
 import io.ktor.utils.io.readRemaining
 import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.async
 import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.cancel
@@ -23,14 +22,11 @@ import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.job
 import kotlinx.coroutines.sync.Semaphore
-import kotlinx.coroutines.withContext
 import kotlinx.io.readByteArray
 import kotlin.math.ceil
 
-var UPLOAD_TASK_COUNT by cachedMutableOf(10, "upload_task_count")
 
-
-fun getUploadRoute(): RoutingHandler {
+fun MixFileServer.getUploadRoute(): RoutingHandler {
     return route@{
         val key = generateRandomByteArray(32)
         val name = call.request.queryParameters["name"]
@@ -44,13 +40,13 @@ fun getUploadRoute(): RoutingHandler {
             call.respondText("文件大小不合法", status = HttpStatusCode.InternalServerError)
             return@route
         }
-        val uploadTask = UploadTask(call, name, size, add = add.toBoolean())
+        val uploadTask = getUploadTask(call, name, size, add.toBoolean())
         currentCoroutineContext().job.invokeOnCompletion {
             uploadTask.error = it
             uploadTask.stopped = true
         }
-        val uploader = getCurrentUploader()
-        val head = uploader.genHead()
+        val uploader = getUploader()
+        val head = uploader.genHead(httpClient) ?: genDefaultImage()
         val mixUrl =
             uploadFile(call.receiveChannel(), head, uploader, key, fileSize = size, uploadTask)
         if (mixUrl == null) {
@@ -71,15 +67,15 @@ fun getUploadRoute(): RoutingHandler {
     }
 }
 
-suspend fun uploadFile(
+suspend fun MixFileServer.uploadFile(
     channel: ByteReadChannel,
     head: ByteArray,
     uploader: Uploader,
     secret: ByteArray,
     fileSize: Long,
-    uploadTask: UploadTask,
+    uploadTask: MixUploadTask,
 ): String? {
-    val semaphore = Semaphore(UPLOAD_TASK_COUNT.toInt())
+    val semaphore = Semaphore(uploadTaskCount)
     return coroutineScope {
         val context = currentCoroutineContext()
         uploadTask.onStop = {
@@ -99,11 +95,9 @@ suspend fun uploadFile(
             fileIndex++
             tasks.add(async {
                 try {
-                    val url = uploader.upload(head, fileData, secret)
+                    val url = uploader.upload(head, fileData, secret, this@uploadFile)
                     fileList[currentIndex] = url
-                    withContext(Dispatchers.Main) {
-                        uploadTask.progress.increaseBytesWritten(fileData.size.toLong(), fileSize)
-                    }
+                    uploadTask.updateProgress(fileData.size.toLong(), fileSize)
                 } finally {
                     semaphore.release()
                 }
@@ -115,8 +109,9 @@ suspend fun uploadFile(
         }
         val mixFile =
             MixFile(chunkSize = chunkSize, version = 0, fileList = fileList, fileSize = fileSize)
+        val mixFileData = mixFile.toBytes()
         val mixFileUrl =
-            uploader.upload(head, mixFile.toBytes(), secret)
+            uploader.upload(head, mixFileData, secret, this@uploadFile)
         return@coroutineScope mixFileUrl
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/core/uploaders/A3Uploader.kt b/app/src/main/java/com/donut/mixfile/server/core/uploaders/A3Uploader.kt
new file mode 100644
index 0000000..67fcf69
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/uploaders/A3Uploader.kt
@@ -0,0 +1,29 @@
+package com.donut.mixfile.server.core.uploaders
+
+import com.alibaba.fastjson2.JSONObject
+import com.alibaba.fastjson2.to
+import com.donut.mixfile.server.core.Uploader
+import com.donut.mixfile.server.core.utils.add
+import com.donut.mixfile.server.core.utils.fileFormHeaders
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.request.forms.formData
+import io.ktor.client.request.forms.submitFormWithBinaryData
+
+object A3Uploader : Uploader("线路A3") {
+
+    override val referer: String
+        get() = ""
+
+    override suspend fun doUpload(fileData: ByteArray, client: HttpClient): String {
+        val result =
+            client.submitFormWithBinaryData(
+                "https://chatbot.weixin.qq.com/weixinh5/webapp/pfnYYEumBeFN7Yb3TAxwrabYVOa4R9/cos/upload",
+                formData {
+                    add("media", fileData, fileFormHeaders())
+                }) {
+            }.body<String>().to<JSONObject>()
+
+        return result.getString("url")
+    }
+}
diff --git a/app/src/main/java/com/donut/mixfile/util/Extension.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/Extension.kt
similarity index 97%
rename from app/src/main/java/com/donut/mixfile/util/Extension.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/Extension.kt
index 06816da..f2c1ea6 100644
--- a/app/src/main/java/com/donut/mixfile/util/Extension.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/Extension.kt
@@ -1,8 +1,10 @@
-package com.donut.mixfile.util
+package com.donut.mixfile.server.core.utils
 
 import java.nio.ByteBuffer
 import kotlin.streams.toList
 
+typealias UnitBlock = () -> Unit
+
 inline fun <T> T?.isNull(block: UnitBlock = {}): Boolean {
     if (this == null) {
         block()
@@ -150,7 +152,5 @@ fun Int.toBytes(): ByteArray =
 fun ByteArray.toInt(): Int =
     ByteBuffer.wrap(this).int
 
-fun <T> T.toJsonString(): String = GSON.toJson(this)
-
 
 infix fun <T> T?.default(value: T) = this ?: value
diff --git a/app/src/main/java/com/donut/mixfile/server/core/utils/Json.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/Json.kt
new file mode 100644
index 0000000..f908faf
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/Json.kt
@@ -0,0 +1,28 @@
+package com.donut.mixfile.server.core.utils
+
+import com.alibaba.fastjson2.JSON
+import com.alibaba.fastjson2.JSONWriter
+import com.alibaba.fastjson2.writer.ObjectWriter
+import java.lang.reflect.Type
+import java.util.Date
+
+object MillisDateWriter : ObjectWriter<Date?> {
+    override fun write(
+        jsonWriter: JSONWriter,
+        `object`: Any?,
+        fieldName: Any?,
+        fieldType: Type?,
+        features: Long
+    ) {
+        if (`object` == null) {
+            jsonWriter.writeNull()
+            return
+        }
+        jsonWriter.writeInt64((`object` as Date).time) // 输出毫秒时间戳
+    }
+
+}
+
+fun registerJson() {
+    JSON.register(Date::class.java, MillisDateWriter)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/core/utils/MixUploadTask.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/MixUploadTask.kt
new file mode 100644
index 0000000..68e3077
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/MixUploadTask.kt
@@ -0,0 +1,11 @@
+package com.donut.mixfile.server.core.utils
+
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+
+interface MixUploadTask {
+    var error: Throwable?
+    var stopped: Boolean
+    suspend fun complete(shareInfo: MixShareInfo)
+    var onStop: () -> Unit
+    suspend fun updateProgress(size: Long, total: Long)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/core/utils/ShareCode.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/ShareCode.kt
new file mode 100644
index 0000000..761f625
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/ShareCode.kt
@@ -0,0 +1,103 @@
+package com.donut.mixfile.server.core.utils
+
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import java.security.MessageDigest
+
+tailrec fun String.hashToMD5String(round: Int = 1): String {
+    val digest = hashMD5()
+    if (round > 1) {
+        return digest.toHex().hashToMD5String(round - 1)
+    }
+    return digest.toHex()
+}
+
+fun ByteArray.toHex(): String {
+    val sb = StringBuilder()
+    for (b in this) {
+        sb.append(String.format("%02x", b))
+    }
+    return sb.toString()
+}
+
+fun String.hashMD5() = hashToHexString("MD5")
+
+fun String.hashSHA256() = hashToHexString("SHA-256")
+
+fun String.hashToHexString(algorithm: String): ByteArray {
+    val md = MessageDigest.getInstance(algorithm)
+    md.update(this.toByteArray())
+    return md.digest()
+}
+
+fun ByteArray.hashToHexString(algorithm: String): String {
+    return calcHash(algorithm).toHex()
+}
+
+fun ByteArray.calcHash(algorithm: String): ByteArray {
+    val md = MessageDigest.getInstance(algorithm)
+    md.update(this)
+    return md.digest()
+}
+
+fun ByteArray.hashSHA256() = calcHash("SHA-256")
+
+fun ByteArray.hashSHA256String() = hashToHexString("SHA-256")
+
+fun resolveMixShareInfo(value: String): MixShareInfo? {
+    return parseShareCode(value)
+}
+
+private val encodeMap = run {
+    val map = mutableMapOf<String, String>()
+    for (value in 0xfe00..0xfe0f) {
+        val key = (value - 0xfe00).toString(16)
+        map[key] = "${value.toChar()}"
+    }
+    map
+}
+
+fun MixShareInfo.shareCode(useShortCode: Boolean): String {
+    if (useShortCode) {
+        return "mf://${encodeHex(this.toString())}${
+            MixShareInfo.ENCODER.encode(
+                this.url.hashMD5().copyOf(6)
+            )
+        }"
+    }
+    return "mf://$this"
+}
+
+fun parseShareCode(code: String): MixShareInfo? {
+    val mf = code.substringAfter("mf://")
+    val encoded = decodeHex(mf)
+    val parsed = MixShareInfo.tryFromString(encoded) ?: MixShareInfo.tryFromString(mf)
+    return parsed
+}
+
+fun encodeHex(data: String): String {
+    val sb = StringBuilder()
+    for (element in data.toByteArray().toHex()) {
+        if (encodeMap.containsKey(element.toString())) {
+            sb.append(encodeMap[element.toString()])
+        }
+    }
+    return sb.toString()
+}
+
+fun String.decodeHex(): ByteArray {
+    check(length % 2 == 0) { "Must have an even length" }
+
+    return chunked(2)
+        .map { it.toInt(16).toByte() }
+        .toByteArray()
+}
+
+fun decodeHex(data: String): String {
+    val sb = StringBuilder()
+    for (element in data) {
+        if (encodeMap.containsValue(element.toString())) {
+            sb.append(encodeMap.filterValues { it == element.toString() }.keys.first())
+        }
+    }
+    return sb.toString().decodeHex().decodeToString()
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/util/objects/SortedTask.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/SortedTask.kt
similarity index 85%
rename from app/src/main/java/com/donut/mixfile/util/objects/SortedTask.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/SortedTask.kt
index a5260a8..dfafa2b 100644
--- a/app/src/main/java/com/donut/mixfile/util/objects/SortedTask.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/SortedTask.kt
@@ -1,6 +1,5 @@
-package com.donut.mixfile.util.objects
+package com.donut.mixfile.server.core.utils
 
-import com.donut.mixfile.util.showError
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.Semaphore
 import kotlinx.coroutines.sync.withLock
@@ -31,9 +30,6 @@ class SortedTask(limit: Int) {
                 taskMap.remove(task.key)
                 try {
                     block()
-                } catch (e: Exception) {
-                    showError(e)
-                    break
                 } finally {
                     semaphore.release()
                 }
diff --git a/app/src/main/java/com/donut/mixfile/server/core/utils/Util.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/Util.kt
new file mode 100644
index 0000000..2c3eb34
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/Util.kt
@@ -0,0 +1,111 @@
+package com.donut.mixfile.server.core.utils
+
+
+import com.donut.mixfile.server.core.aes.generateRandomByteArray
+import com.github.amr.mimetypes.MimeTypes
+import io.ktor.client.request.forms.FormBuilder
+import io.ktor.http.Headers
+import io.ktor.http.HttpHeaders
+import io.ktor.http.quote
+import io.ktor.server.application.ApplicationCall
+import io.ktor.util.pipeline.PipelineContext
+import io.ktor.utils.io.InternalAPI
+import kotlinx.coroutines.launch
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.net.URLEncoder
+import java.util.concurrent.CopyOnWriteArrayList
+import java.util.zip.GZIPInputStream
+import java.util.zip.GZIPOutputStream
+
+fun String.getFileExtension(): String {
+    val index = this.lastIndexOf('.')
+    return if (index == -1) "" else this.substring(index + 1).lowercase()
+}
+
+fun genRandomString(
+    length: Int = 32,
+    charPool: List<Char> = ('a'..'z') + ('A'..'Z') + ('0'..'9')
+): String {
+    return (1..length)
+        .map { kotlin.random.Random.nextInt(0, charPool.size) }
+        .map(charPool::get)
+        .joinToString("")
+}
+
+
+fun fileFormHeaders(
+    suffix: String = ".gif",
+    mimeType: String = "image/gif",
+): Headers {
+    return Headers.build {
+        append(HttpHeaders.ContentType, mimeType)
+        append(
+            HttpHeaders.ContentDisposition,
+            "filename=\"${genRandomString(5)}${suffix}\""
+        )
+    }
+}
+
+
+fun concurrencyLimit(
+    limit: Int,
+    route: suspend PipelineContext<Unit, ApplicationCall>.(Unit) -> Unit,
+): suspend PipelineContext<Unit, ApplicationCall>.(Unit) -> Unit {
+    val tasks = CopyOnWriteArrayList<() -> Unit>()
+    return route@{
+        while (tasks.size > limit) {
+            val remove = tasks.removeAt(0)
+            ignoreError {
+                remove()
+            }
+        }
+        val cancel: () -> Unit = {
+            launch {
+                throw Throwable("服务器达到并发限制")
+            }
+        }
+        tasks.add(cancel)
+        route(Unit)
+        tasks.remove(cancel)
+    }
+}
+
+inline fun <T> ignoreError(block: () -> T): T? {
+    try {
+        return block()
+    } catch (_: Exception) {
+
+    }
+    return null
+}
+
+
+fun getRandomEncKey() = generateRandomByteArray(256)
+
+fun compressGzip(input: String): ByteArray {
+    val byteArrayOutputStream = ByteArrayOutputStream()
+    GZIPOutputStream(byteArrayOutputStream).use { gzip ->
+        gzip.write(input.toByteArray())
+    }
+    return byteArrayOutputStream.toByteArray()
+}
+
+fun decompressGzip(compressed: ByteArray): String {
+    val byteArrayInputStream = ByteArrayInputStream(compressed)
+    GZIPInputStream(byteArrayInputStream).use { gzip ->
+        return gzip.bufferedReader().use { it.readText() }
+    }
+}
+
+fun String.encodeURL(): String? {
+    return URLEncoder.encode(this, "UTF-8")
+}
+
+fun String.parseFileMimeType() = MimeTypes.getInstance()
+    .getByExtension(this.getFileExtension())?.mimeType ?: "application/octet-stream"
+
+@OptIn(InternalAPI::class)
+fun FormBuilder.add(key: String, value: Any?, headers: Headers = Headers.Empty) {
+    append(key.quote(), value ?: "", headers)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/util/basen/Alphabet.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/Alphabet.kt
similarity index 93%
rename from app/src/main/java/com/donut/mixfile/util/basen/Alphabet.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/basen/Alphabet.kt
index 8388a06..9f520ff 100644
--- a/app/src/main/java/com/donut/mixfile/util/basen/Alphabet.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/Alphabet.kt
@@ -1,7 +1,4 @@
-package com.donut.mixmessage.util.encode.basen
-
-import com.donut.mixfile.util.basen.ALPHABETS
-import com.donut.mixfile.util.basen.CodecDirection
+package com.donut.mixfile.server.core.utils.basen
 
 class Alphabet private constructor(val key: String) {
 
diff --git a/app/src/main/java/com/donut/mixfile/util/basen/BaseN.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/BaseN.kt
similarity index 96%
rename from app/src/main/java/com/donut/mixfile/util/basen/BaseN.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/basen/BaseN.kt
index 80a8980..153b1e8 100644
--- a/app/src/main/java/com/donut/mixfile/util/basen/BaseN.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/BaseN.kt
@@ -1,6 +1,5 @@
-package com.donut.mixfile.util.basen
+package com.donut.mixfile.server.core.utils.basen
 
-import com.donut.mixmessage.util.encode.basen.Alphabet
 import java.security.MessageDigest
 import kotlin.math.ln
 
diff --git a/app/src/main/java/com/donut/mixfile/util/basen/BigIntBaseN.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/BigIntBaseN.kt
similarity index 90%
rename from app/src/main/java/com/donut/mixfile/util/basen/BigIntBaseN.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/basen/BigIntBaseN.kt
index b0dd665..732e732 100644
--- a/app/src/main/java/com/donut/mixfile/util/basen/BigIntBaseN.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/BigIntBaseN.kt
@@ -1,6 +1,5 @@
-package com.donut.mixfile.util.basen
+package com.donut.mixfile.server.core.utils.basen
 
-import com.donut.mixmessage.util.encode.basen.Alphabet
 import java.math.BigInteger
 
 class BigIntBaseN(override val alphabet: Alphabet) : BaseN() {
diff --git a/app/src/main/java/com/donut/mixfile/util/basen/CodecDirection.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/CodecDirection.kt
similarity index 91%
rename from app/src/main/java/com/donut/mixfile/util/basen/CodecDirection.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/basen/CodecDirection.kt
index d10cd7a..41b723f 100644
--- a/app/src/main/java/com/donut/mixfile/util/basen/CodecDirection.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/CodecDirection.kt
@@ -1,4 +1,4 @@
-package com.donut.mixfile.util.basen
+package com.donut.mixfile.server.core.utils.basen
 
 class CodecDirection(val fromBase: Int, val toBase: Int) {
     private val fromLog = logInt(fromBase)
diff --git a/app/src/main/java/com/donut/mixfile/util/basen/LoopBaseN.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/LoopBaseN.kt
similarity index 86%
rename from app/src/main/java/com/donut/mixfile/util/basen/LoopBaseN.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/basen/LoopBaseN.kt
index be2ea60..9637105 100644
--- a/app/src/main/java/com/donut/mixfile/util/basen/LoopBaseN.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/basen/LoopBaseN.kt
@@ -1,6 +1,4 @@
-package com.donut.mixfile.util.basen
-
-import com.donut.mixmessage.util.encode.basen.Alphabet
+package com.donut.mixfile.server.core.utils.basen
 
 class LoopBaseN(override val alphabet: Alphabet) : BaseN() {
 
diff --git a/app/src/main/java/com/donut/mixfile/server/utils/bean/MixFile.kt b/app/src/main/java/com/donut/mixfile/server/core/utils/bean/MixFile.kt
similarity index 56%
rename from app/src/main/java/com/donut/mixfile/server/utils/bean/MixFile.kt
rename to app/src/main/java/com/donut/mixfile/server/core/utils/bean/MixFile.kt
index ad7b654..f6f5dab 100644
--- a/app/src/main/java/com/donut/mixfile/server/utils/bean/MixFile.kt
+++ b/app/src/main/java/com/donut/mixfile/server/core/utils/bean/MixFile.kt
@@ -1,38 +1,35 @@
-package com.donut.mixfile.server.utils.bean
+package com.donut.mixfile.server.core.utils.bean
 
 
-import com.donut.mixfile.server.Uploader
-import com.donut.mixfile.server.accessKey
-import com.donut.mixfile.server.uploadClient
-import com.donut.mixfile.ui.routes.home.getLocalServerAddress
-import com.donut.mixfile.ui.routes.home.serverAddress
-import com.donut.mixfile.util.GSON
-import com.donut.mixfile.util.basen.BigIntBaseN
-import com.donut.mixfile.util.compressGzip
-import com.donut.mixfile.util.decompressGzip
-import com.donut.mixfile.util.decryptAES
-import com.donut.mixfile.util.encryptAES
-import com.donut.mixfile.util.hashMD5
-import com.donut.mixfile.util.hashSHA256
-import com.donut.mixfile.util.parseFileMimeType
-import com.donut.mixmessage.util.encode.basen.Alphabet
-import com.google.gson.annotations.SerializedName
+import com.alibaba.fastjson2.annotation.JSONField
+import com.alibaba.fastjson2.to
+import com.alibaba.fastjson2.toJSONString
+import com.donut.mixfile.server.core.Uploader
+import com.donut.mixfile.server.core.aes.decryptAES
+import com.donut.mixfile.server.core.aes.encryptAES
+import com.donut.mixfile.server.core.utils.basen.Alphabet
+import com.donut.mixfile.server.core.utils.basen.BigIntBaseN
+import com.donut.mixfile.server.core.utils.compressGzip
+import com.donut.mixfile.server.core.utils.decompressGzip
+import com.donut.mixfile.server.core.utils.hashMD5
+import com.donut.mixfile.server.core.utils.hashSHA256
+import com.donut.mixfile.server.core.utils.parseFileMimeType
+import io.ktor.client.HttpClient
 import io.ktor.client.request.header
 import io.ktor.client.request.prepareGet
 import io.ktor.client.statement.bodyAsChannel
 import io.ktor.utils.io.discard
-import java.net.URLEncoder
 
 
 fun ByteArray.hashMixSHA256() = MixShareInfo.ENCODER.encode(hashSHA256())
 
 data class MixShareInfo(
-    @SerializedName("f") var fileName: String,
-    @SerializedName("s") val fileSize: Long,
-    @SerializedName("h") val headSize: Int,
-    @SerializedName("u") val url: String,
-    @SerializedName("k") val key: String,
-    @SerializedName("r") val referer: String,
+    @JSONField(name = "f") var fileName: String,
+    @JSONField(name = "s") val fileSize: Long,
+    @JSONField(name = "h") val headSize: Int,
+    @JSONField(name = "u") val url: String,
+    @JSONField(name = "k") val key: String,
+    @JSONField(name = "r") val referer: String,
 ) {
 
     companion object {
@@ -49,7 +46,7 @@ data class MixShareInfo(
         }
 
         private fun fromJson(json: String): MixShareInfo =
-            GSON.fromJson(json, MixShareInfo::class.java)
+            json.to()
 
         private fun enc(input: String): String {
             val bytes = input.encodeToByteArray()
@@ -62,38 +59,23 @@ data class MixShareInfo(
             val result = decryptAES(bytes, "123".hashMD5())
             return result!!.decodeToString()
         }
+
     }
 
-    val downloadUrl: String
-        get() {
-            return "${getLocalServerAddress()}/api/download?s=${
-                URLEncoder.encode(
-                    this.toString(),
-                    "UTF-8"
-                )
-            }&accessKey=${accessKey}#${fileName}"
-        }
-
-    val lanUrl: String
-        get() {
-            return "$serverAddress/api/download?s=${
-                URLEncoder.encode(
-                    this.toString(),
-                    "UTF-8"
-                )
-            }&accessKey=${accessKey}#${fileName}"
-        }
-
     override fun toString(): String {
         return enc(toJson())
     }
 
-    private fun toJson(): String = GSON.toJson(this)
+    private fun toJson(): String = this.toJSONString()
 
-    suspend fun fetchFile(url: String, referer: String = this.referer): ByteArray? {
+    suspend fun fetchFile(
+        url: String,
+        client: HttpClient,
+        referer: String = this.referer,
+    ): ByteArray? {
         val transformedUrl = Uploader.transformUrl(url)
         val transformedReferer = Uploader.transformReferer(url, referer)
-        val result: ByteArray? = uploadClient.prepareGet(transformedUrl) {
+        val result: ByteArray? = client.prepareGet(transformedUrl) {
             if (transformedReferer.trim().isNotEmpty()) {
                 header("Referer", transformedReferer)
             }
@@ -127,8 +109,8 @@ data class MixShareInfo(
 
     fun contentType(): String = fileName.parseFileMimeType()
 
-    suspend fun fetchMixFile(): MixFile? {
-        val decryptedBytes = fetchFile(url) ?: return null
+    suspend fun fetchMixFile(client: HttpClient): MixFile? {
+        val decryptedBytes = fetchFile(url, client = client) ?: return null
         return MixFile.fromBytes(decryptedBytes)
     }
 
@@ -136,15 +118,15 @@ data class MixShareInfo(
 
 
 data class MixFile(
-    @SerializedName("chunk_size") val chunkSize: Long,
-    @SerializedName("file_size") val fileSize: Long,
-    @SerializedName("version") val version: Long,
-    @SerializedName("file_list") val fileList: List<String>,
+    @JSONField(name = "chunk_size") val chunkSize: Long,
+    @JSONField(name = "file_size") val fileSize: Long,
+    @JSONField(name = "version") val version: Long,
+    @JSONField(name = "file_list") val fileList: List<String>,
 ) {
 
     companion object {
         fun fromBytes(data: ByteArray): MixFile =
-            GSON.fromJson(decompressGzip(data), MixFile::class.java)
+            decompressGzip(data).to()
     }
 
     fun getFileListByStartRange(startRange: Long): List<Pair<String, Int>> {
@@ -161,6 +143,6 @@ data class MixFile(
     }
 
 
-    fun toBytes() = compressGzip(GSON.toJson(this))
+    fun toBytes() = compressGzip(this.toJSONString())
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/utils/AnimatedGifEncoder.java b/app/src/main/java/com/donut/mixfile/server/image/AnimatedGifEncoder.java
similarity index 99%
rename from app/src/main/java/com/donut/mixfile/server/utils/AnimatedGifEncoder.java
rename to app/src/main/java/com/donut/mixfile/server/image/AnimatedGifEncoder.java
index 7e05e64..86ca3f7 100644
--- a/app/src/main/java/com/donut/mixfile/server/utils/AnimatedGifEncoder.java
+++ b/app/src/main/java/com/donut/mixfile/server/image/AnimatedGifEncoder.java
@@ -1,4 +1,4 @@
-package com.donut.mixfile.server.utils;
+package com.donut.mixfile.server.image;
 
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.Config;
diff --git a/app/src/main/java/com/donut/mixfile/server/image/GIFUtils.kt b/app/src/main/java/com/donut/mixfile/server/image/GIFUtils.kt
new file mode 100644
index 0000000..39de3a8
--- /dev/null
+++ b/app/src/main/java/com/donut/mixfile/server/image/GIFUtils.kt
@@ -0,0 +1,42 @@
+package com.donut.mixfile.server.image
+
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Color
+import androidx.core.graphics.createBitmap
+import java.io.ByteArrayOutputStream
+import kotlin.random.Random
+
+fun createBlankBitmap(
+    width: Int = Random.nextInt(50, 100),
+    height: Int = Random.nextInt(50, 100),
+): Bitmap {
+    val bitmap = createBitmap(width, height)
+    val canvas = Canvas(bitmap)
+    canvas.drawColor(Color.rgb(Random.nextInt(255), Random.nextInt(255), Random.nextInt(255)))
+    return bitmap
+}
+
+fun Bitmap.compressToByteArray(
+    useWebp: Boolean = true,
+): ByteArray {
+    val bitmap = this
+    val stream = ByteArrayOutputStream()
+
+    if (useWebp) {
+        bitmap.compress(Bitmap.CompressFormat.WEBP, 0, stream)
+    } else {
+        bitmap.compress(Bitmap.CompressFormat.JPEG, 0, stream)
+    }
+
+    return stream.toByteArray()
+}
+
+fun Bitmap.toGif(): ByteArray {
+    val bos = ByteArrayOutputStream()
+    val encoder = AnimatedGifEncoder()
+    encoder.start(bos)
+    encoder.addFrame(this)
+    encoder.finish()
+    return bos.toByteArray()
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/server/uploaders/A3Uploader.kt b/app/src/main/java/com/donut/mixfile/server/uploaders/A3Uploader.kt
deleted file mode 100644
index 6a865e8..0000000
--- a/app/src/main/java/com/donut/mixfile/server/uploaders/A3Uploader.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.donut.mixfile.server.uploaders
-
-import com.donut.mixfile.server.Uploader
-import com.donut.mixfile.server.uploadClient
-import com.donut.mixfile.server.utils.fileFormHeaders
-import com.donut.mixfile.util.add
-import com.google.gson.JsonObject
-import io.ktor.client.call.body
-import io.ktor.client.request.forms.formData
-import io.ktor.client.request.forms.submitFormWithBinaryData
-
-object A3Uploader : Uploader("线路A3") {
-
-    override val referer: String
-        get() = ""
-
-    override suspend fun doUpload(fileData: ByteArray): String {
-        val result =
-            uploadClient.submitFormWithBinaryData(
-                "https://chatbot.weixin.qq.com/weixinh5/webapp/pfnYYEumBeFN7Yb3TAxwrabYVOa4R9/cos/upload",
-                formData {
-                    add("media", fileData, fileFormHeaders())
-                }) {
-            }.body<JsonObject>()
-
-        return result.get("url").asString
-    }
-}
diff --git a/app/src/main/java/com/donut/mixfile/server/utils/Util.kt b/app/src/main/java/com/donut/mixfile/server/utils/Util.kt
deleted file mode 100644
index 447bb3c..0000000
--- a/app/src/main/java/com/donut/mixfile/server/utils/Util.kt
+++ /dev/null
@@ -1,90 +0,0 @@
-package com.donut.mixfile.server.utils
-
-import android.graphics.Bitmap
-import android.graphics.Canvas
-import android.graphics.Color
-import androidx.core.graphics.createBitmap
-import com.donut.mixfile.util.genRandomString
-import com.donut.mixfile.util.generateRandomByteArray
-import com.donut.mixfile.util.ignoreError
-import io.ktor.http.Headers
-import io.ktor.http.HttpHeaders
-import io.ktor.server.application.ApplicationCall
-import io.ktor.util.pipeline.PipelineContext
-import kotlinx.coroutines.launch
-import java.io.ByteArrayOutputStream
-import java.util.concurrent.CopyOnWriteArrayList
-import kotlin.random.Random
-
-
-fun fileFormHeaders(
-    suffix: String = ".gif",
-    mimeType: String = "image/gif",
-): Headers {
-    return Headers.build {
-        append(HttpHeaders.ContentType, mimeType)
-        append(
-            HttpHeaders.ContentDisposition,
-            "filename=\"${genRandomString(5)}${suffix}\""
-        )
-    }
-}
-
-fun createBlankBitmap(
-    width: Int = Random.nextInt(50, 100),
-    height: Int = Random.nextInt(50, 100),
-): Bitmap {
-    val bitmap = createBitmap(width, height)
-    val canvas = Canvas(bitmap)
-    canvas.drawColor(Color.rgb(Random.nextInt(255), Random.nextInt(255), Random.nextInt(255)))
-    return bitmap
-}
-
-fun concurrencyLimit(
-    limit: Int,
-    route: suspend PipelineContext<Unit, ApplicationCall>.(Unit) -> Unit,
-): suspend PipelineContext<Unit, ApplicationCall>.(Unit) -> Unit {
-    val tasks = CopyOnWriteArrayList<() -> Unit>()
-    return route@{
-        while (tasks.size > limit) {
-            val remove = tasks.removeAt(0)
-            ignoreError {
-                remove()
-            }
-        }
-        val cancel: () -> Unit = {
-            launch {
-                throw Throwable("服务器达到并发限制")
-            }
-        }
-        tasks.add(cancel)
-        route(Unit)
-        tasks.remove(cancel)
-    }
-}
-
-fun getRandomEncKey() = generateRandomByteArray(256)
-
-fun Bitmap.compressToByteArray(
-    useWebp: Boolean = true,
-): ByteArray {
-    val bitmap = this
-    val stream = ByteArrayOutputStream()
-
-    if (useWebp) {
-        bitmap.compress(Bitmap.CompressFormat.WEBP, 0, stream)
-    } else {
-        bitmap.compress(Bitmap.CompressFormat.JPEG, 0, stream)
-    }
-
-    return stream.toByteArray()
-}
-
-fun Bitmap.toGif(): ByteArray {
-    val bos = ByteArrayOutputStream()
-    val encoder = AnimatedGifEncoder()
-    encoder.start(bos)
-    encoder.addFrame(this)
-    encoder.finish()
-    return bos.toByteArray()
-}
diff --git a/app/src/main/java/com/donut/mixfile/ui/nav/NavUtil.kt b/app/src/main/java/com/donut/mixfile/ui/nav/NavUtil.kt
index 6463f15..8cb449f 100644
--- a/app/src/main/java/com/donut/mixfile/ui/nav/NavUtil.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/nav/NavUtil.kt
@@ -31,8 +31,8 @@ import androidx.navigation.NavHostController
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
-import com.donut.mixfile.util.genRandomString
-import com.donut.mixfile.util.isNotNull
+import com.donut.mixfile.server.core.utils.genRandomString
+import com.donut.mixfile.server.core.utils.isNotNull
 import java.lang.ref.WeakReference
 
 
diff --git a/app/src/main/java/com/donut/mixfile/ui/routes/About.kt b/app/src/main/java/com/donut/mixfile/ui/routes/About.kt
index eea93cb..8b041a4 100644
--- a/app/src/main/java/com/donut/mixfile/ui/routes/About.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/routes/About.kt
@@ -1,7 +1,6 @@
 package com.donut.mixfile.ui.routes
 
 import android.content.Intent
-import android.net.Uri
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
@@ -18,7 +17,8 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.donut.mixfile.app
+import androidx.core.net.toUri
+import com.donut.mixfile.currentActivity
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.nav.MixNavPage
 import com.donut.mixfile.ui.theme.colorScheme
@@ -115,11 +115,9 @@ val About = MixNavPage(
                         val intent =
                             Intent(
                                 Intent.ACTION_VIEW,
-                                Uri.parse("https://github.com/InvertGeek/MixFile")
-                            ).apply {
-                                flags = Intent.FLAG_ACTIVITY_NEW_TASK
-                            }
-                        app.startActivity(intent)
+                                "https://github.com/InvertGeek/MixFile".toUri()
+                            )
+                        currentActivity.startActivity(intent)
                         closeDialog()
                     }
                     setDefaultNegative()
diff --git a/app/src/main/java/com/donut/mixfile/ui/routes/Settings.kt b/app/src/main/java/com/donut/mixfile/ui/routes/Settings.kt
index 68c0a69..89b37ea 100644
--- a/app/src/main/java/com/donut/mixfile/ui/routes/Settings.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/routes/Settings.kt
@@ -29,17 +29,18 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import androidx.core.net.toUri
 import com.donut.mixfile.currentActivity
+import com.donut.mixfile.server.CUSTOM_REFERER
+import com.donut.mixfile.server.CUSTOM_UPLOAD_URL
+import com.donut.mixfile.server.CustomUploader
+import com.donut.mixfile.server.DOWNLOAD_TASK_COUNT
 import com.donut.mixfile.server.UPLOADERS
 import com.donut.mixfile.server.UPLOAD_RETRY_TIMES
+import com.donut.mixfile.server.UPLOAD_TASK_COUNT
+import com.donut.mixfile.server.core.uploaders.hidden.A1Uploader
 import com.donut.mixfile.server.currentUploader
 import com.donut.mixfile.server.enableAccessKey
 import com.donut.mixfile.server.getCurrentUploader
-import com.donut.mixfile.server.routes.DOWNLOAD_TASK_COUNT
-import com.donut.mixfile.server.routes.UPLOAD_TASK_COUNT
-import com.donut.mixfile.server.uploaders.CUSTOM_REFERER
-import com.donut.mixfile.server.uploaders.CUSTOM_UPLOAD_URL
-import com.donut.mixfile.server.uploaders.CustomUploader
-import com.donut.mixfile.server.uploaders.hidden.A1Uploader
+import com.donut.mixfile.server.mixFileServer
 import com.donut.mixfile.ui.component.common.CommonSwitch
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.component.common.SingleSelectItemList
@@ -102,7 +103,7 @@ val MixSettings = MixNavPage(
     Column {
         Text(
             modifier = Modifier.padding(10.dp, 0.dp),
-            text = "下载并发: ${DOWNLOAD_TASK_COUNT}",
+            text = "下载并发: $DOWNLOAD_TASK_COUNT",
             color = MaterialTheme.colorScheme.primary
         )
         Slider(
@@ -118,7 +119,7 @@ val MixSettings = MixNavPage(
     Column {
         Text(
             modifier = Modifier.padding(10.dp, 0.dp),
-            text = "上传并发: ${UPLOAD_TASK_COUNT}",
+            text = "上传并发: $UPLOAD_TASK_COUNT",
             color = MaterialTheme.colorScheme.primary
         )
         Slider(
@@ -148,7 +149,7 @@ val MixSettings = MixNavPage(
     Column {
         Text(
             modifier = Modifier.padding(10.dp, 0.dp),
-            text = "上传失败重试次数(单个分片): ${UPLOAD_RETRY_TIMES}",
+            text = "上传失败重试次数(单个分片): $UPLOAD_RETRY_TIMES",
             color = MaterialTheme.colorScheme.primary
         )
         Slider(
@@ -183,6 +184,7 @@ val MixSettings = MixNavPage(
         description = "开启后网页端将禁止访问"
     ) {
         enableAccessKey = it
+        mixFileServer.enableAccessKey = it
     }
     CommonSwitch(
         checked = useSystemPlayer,
diff --git a/app/src/main/java/com/donut/mixfile/ui/routes/favorites/Favorites.kt b/app/src/main/java/com/donut/mixfile/ui/routes/favorites/Favorites.kt
index a153a82..9215f19 100644
--- a/app/src/main/java/com/donut/mixfile/ui/routes/favorites/Favorites.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/routes/favorites/Favorites.kt
@@ -31,8 +31,10 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.component.common.SingleSelectItemList
 import com.donut.mixfile.ui.nav.MixNavPage
@@ -46,14 +48,12 @@ import com.donut.mixfile.util.file.FileCardList
 import com.donut.mixfile.util.file.FileDataLog
 import com.donut.mixfile.util.file.downloadFile
 import com.donut.mixfile.util.file.favorites
-import com.donut.mixfile.util.file.resolveMixShareInfo
 import com.donut.mixfile.util.file.selectAndUploadFile
 import com.donut.mixfile.util.file.showExportFileListDialog
 import com.donut.mixfile.util.formatFileSize
 import com.donut.mixfile.util.parseSortNum
 import com.donut.mixfile.util.showConfirmDialog
 import com.donut.mixfile.util.showToast
-import com.donut.mixfile.util.truncate
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -167,7 +167,11 @@ val Favorites = MixNavPage(
                 .weight(1.0f)
                 .padding(10.dp, 0.dp)
         ) {
-            Text(text = "分类: ${currentCategory.ifEmpty { "全部" }.truncate(3)}")
+            Text(
+                text = "分类: ${currentCategory.ifEmpty { "全部" }}",
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis
+            )
         }
         Button(
             onClick = {
diff --git a/app/src/main/java/com/donut/mixfile/ui/routes/home/Home.kt b/app/src/main/java/com/donut/mixfile/ui/routes/home/Home.kt
index 874aa1c..444ffb4 100644
--- a/app/src/main/java/com/donut/mixfile/ui/routes/home/Home.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/routes/home/Home.kt
@@ -29,25 +29,25 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import com.donut.mixfile.server.serverPort
+import com.donut.mixfile.server.core.utils.isFalse
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
+import com.donut.mixfile.server.mixFileServer
 import com.donut.mixfile.ui.nav.MixNavPage
 import com.donut.mixfile.ui.routes.UploadDialogCard
 import com.donut.mixfile.ui.theme.colorScheme
 import com.donut.mixfile.util.copyToClipboard
 import com.donut.mixfile.util.file.FileCardList
 import com.donut.mixfile.util.file.deleteUploadLog
-import com.donut.mixfile.util.file.resolveMixShareInfo
 import com.donut.mixfile.util.file.selectAndUploadFile
 import com.donut.mixfile.util.file.showFileInfoDialog
 import com.donut.mixfile.util.file.showFileList
 import com.donut.mixfile.util.file.toDataLog
 import com.donut.mixfile.util.file.uploadLogs
 import com.donut.mixfile.util.getIpAddressInLocalNetwork
-import com.donut.mixfile.util.isFalse
 import com.donut.mixfile.util.readClipBoardText
 import com.donut.mixfile.util.showToast
 
-var serverAddress by mutableStateOf("http://${getIpAddressInLocalNetwork()}:${serverPort}")
+var serverAddress by mutableStateOf("http://${getIpAddressInLocalNetwork()}:${mixFileServer.serverPort}")
 
 @OptIn(ExperimentalLayoutApi::class, ExperimentalFoundationApi::class)
 val Home = MixNavPage(
@@ -183,7 +183,7 @@ fun tryResolveFile(text: String): Boolean {
 
 
 fun getLocalServerAddress(): String {
-    return "http://127.0.0.1:${serverPort}"
+    return "http://127.0.0.1:${mixFileServer.serverPort}"
 }
 
 
diff --git a/app/src/main/java/com/donut/mixfile/ui/routes/home/UploadTask.kt b/app/src/main/java/com/donut/mixfile/ui/routes/home/UploadTask.kt
index 884d759..6f0f228 100644
--- a/app/src/main/java/com/donut/mixfile/ui/routes/home/UploadTask.kt
+++ b/app/src/main/java/com/donut/mixfile/ui/routes/home/UploadTask.kt
@@ -21,7 +21,8 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.donut.mixfile.appScope
-import com.donut.mixfile.server.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.MixUploadTask
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.theme.colorScheme
 import com.donut.mixfile.util.file.InfoText
@@ -94,15 +95,21 @@ class UploadTask(
     val fileName: String,
     val fileSize: Long,
     val add: Boolean = true,
-) {
+) : MixUploadTask {
     var progress = ProgressContent("上传中", 14.sp, colorScheme.secondary, false)
 
-    var onStop = {}
+    override var onStop = {}
+
+    override suspend fun updateProgress(size: Long, total: Long) {
+        withContext(Dispatchers.Main) {
+            progress.increaseBytesWritten(size, total)
+        }
+    }
 
 
-    var stopped by mutableStateOf(false)
+    override var stopped by mutableStateOf(false)
 
-    var error: Throwable? by mutableStateOf(null)
+    override var error: Throwable? by mutableStateOf(null)
 
     var result by mutableStateOf("")
         private set
@@ -129,7 +136,7 @@ class UploadTask(
     }
 
 
-    suspend fun complete(shareInfo: MixShareInfo) {
+    override suspend fun complete(shareInfo: MixShareInfo) {
         withContext(Dispatchers.Main) {
             result = shareInfo.toString()
             uploadTasks -= this@UploadTask
diff --git a/app/src/main/java/com/donut/mixfile/util/CachedMutableValue.kt b/app/src/main/java/com/donut/mixfile/util/CachedMutableValue.kt
index d381c2b..0b20136 100644
--- a/app/src/main/java/com/donut/mixfile/util/CachedMutableValue.kt
+++ b/app/src/main/java/com/donut/mixfile/util/CachedMutableValue.kt
@@ -4,8 +4,9 @@ import android.os.Parcelable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
+import com.alibaba.fastjson2.into
+import com.alibaba.fastjson2.toJSONString
 import com.donut.mixfile.kv
-import com.google.gson.reflect.TypeToken
 
 fun <T> constructCachedMutableValue(
     value: T,
@@ -58,15 +59,11 @@ inline fun <reified T, reified C : Iterable<T>> cachedMutableOf(value: C, key: S
     constructCachedMutableValue(
         value,
         key,
-        { kv.encode(key, it.toJsonString()) },
+        { kv.encode(key, it.toJSONString()) },
         getter@{
             var result = value
-            val type = object : TypeToken<C>() {}.type
-            catchError(
-                onError = {
-                    kv.remove(key)
-                }) {
-                val json: C = GSON.fromJson(kv.decodeString(key), type)
+            catchError {
+                val json: C = kv.decodeString(key).into()
                 result = json
             }
             return@getter result
diff --git a/app/src/main/java/com/donut/mixfile/util/CommonUtil.kt b/app/src/main/java/com/donut/mixfile/util/CommonUtil.kt
index ce28de7..dd19d96 100644
--- a/app/src/main/java/com/donut/mixfile/util/CommonUtil.kt
+++ b/app/src/main/java/com/donut/mixfile/util/CommonUtil.kt
@@ -10,27 +10,22 @@ import android.provider.OpenableColumns
 import android.util.Log
 import com.donut.mixfile.app
 import com.donut.mixfile.appScope
-import com.github.amr.mimetypes.MimeTypes
-import io.ktor.client.request.forms.FormBuilder
-import io.ktor.http.Headers
-import io.ktor.http.quote
-import io.ktor.utils.io.InternalAPI
+import com.donut.mixfile.server.core.utils.genRandomString
+import com.donut.mixfile.server.core.utils.ignoreError
+import com.donut.mixfile.server.core.utils.isFalse
+import com.donut.mixfile.server.mixFileServer
+import com.donut.mixfile.ui.routes.home.getLocalServerAddress
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import java.io.ByteArrayInputStream
-import java.io.ByteArrayOutputStream
 import java.io.EOFException
 import java.math.BigInteger
 import java.net.NetworkInterface
 import java.net.URL
 import java.net.URLEncoder
-import java.security.MessageDigest
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
-import java.util.zip.GZIPInputStream
-import java.util.zip.GZIPOutputStream
 import kotlin.io.encoding.Base64
 import kotlin.io.encoding.ExperimentalEncodingApi
 import kotlin.math.log10
@@ -91,14 +86,6 @@ fun getAppVersion(context: Context): Pair<String, Long> {
     }
 }
 
-fun String.decodeHex(): ByteArray {
-    check(length % 2 == 0) { "Must have an even length" }
-
-    return chunked(2)
-        .map { it.toInt(16).toByte() }
-        .toByteArray()
-}
-
 
 class CachedDelegate<T>(val getKeys: () -> Array<Any?>, private val initializer: () -> T) {
     private var cache: T? = null
@@ -119,46 +106,6 @@ class CachedDelegate<T>(val getKeys: () -> Array<Any?>, private val initializer:
 }
 
 
-tailrec fun String.hashToMD5String(round: Int = 1): String {
-    val digest = hashMD5()
-    if (round > 1) {
-        return digest.toHex().hashToMD5String(round - 1)
-    }
-    return digest.toHex()
-}
-
-fun ByteArray.toHex(): String {
-    val sb = StringBuilder()
-    for (b in this) {
-        sb.append(String.format("%02x", b))
-    }
-    return sb.toString()
-}
-
-fun String.hashMD5() = hashToHexString("MD5")
-
-fun String.hashSHA256() = hashToHexString("SHA-256")
-
-fun String.hashToHexString(algorithm: String): ByteArray {
-    val md = MessageDigest.getInstance(algorithm)
-    md.update(this.toByteArray())
-    return md.digest()
-}
-
-fun ByteArray.hashToHexString(algorithm: String): String {
-    return calcHash(algorithm).toHex()
-}
-
-fun ByteArray.calcHash(algorithm: String): ByteArray {
-    val md = MessageDigest.getInstance(algorithm)
-    md.update(this)
-    return md.digest()
-}
-
-fun ByteArray.hashSHA256() = calcHash("SHA-256")
-
-fun ByteArray.hashSHA256String() = hashToHexString("SHA-256")
-
 inline fun String.isUrl(block: (URL) -> Unit = {}): Boolean {
     val urlPattern =
         Regex("^https?://(www\\.)?[-a-zA-Z0-9@:%._+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6}\\b([-a-zA-Z0-9()@:%_+.~#?&/=]*)\$")
@@ -178,14 +125,6 @@ fun getUrlHost(url: String): String? {
     return null
 }
 
-fun String.truncate(maxLength: Int): String {
-    return if (this.length > maxLength) {
-        this.substring(0, maxLength) + "..."
-    } else {
-        this
-    }
-}
-
 @OptIn(ExperimentalEncodingApi::class)
 fun ByteArray.encodeToBase64() = Base64.encode(this)
 
@@ -246,25 +185,10 @@ infix fun <T> List<T>.elementEquals(other: List<T>): Boolean {
 }
 
 
-typealias UnitBlock = () -> Unit
-
-
 fun debug(text: String?, tag: String = "test") {
     Log.d(tag, text ?: "null")
 }
 
-fun String.encodeURL(): String? {
-    return URLEncoder.encode(this, "UTF-8")
-}
-
-fun String.getFileExtension(): String {
-    val index = this.lastIndexOf('.')
-    return if (index == -1) "" else this.substring(index + 1).lowercase()
-}
-
-fun String.parseFileMimeType() = MimeTypes.getInstance()
-    .getByExtension(this.getFileExtension())?.mimeType ?: "application/octet-stream"
-
 inline fun catchError(tag: String = "", onError: () -> Unit = {}, block: () -> Unit) {
     try {
         block()
@@ -273,16 +197,6 @@ inline fun catchError(tag: String = "", onError: () -> Unit = {}, block: () -> U
     }
 }
 
-inline fun <T> ignoreError(block: () -> T): T? {
-    try {
-        return block()
-    } catch (_: Exception) {
-
-    }
-    return null
-}
-
-
 fun getCurrentDate(reverseDays: Long = 0): String {
     val formatter = SimpleDateFormat("yyyy-MM-dd", Locale.US)
     return formatter.format(Date(System.currentTimeMillis() - (reverseDays * 86400 * 1000)))
@@ -294,33 +208,8 @@ fun getCurrentTime(): String {
     return formatter.format(currentTime)
 }
 
-fun genRandomString(
-    length: Int = 32,
-    charPool: List<Char> = ('a'..'z') + ('A'..'Z') + ('0'..'9')
-): String {
-    return (1..length)
-        .map { kotlin.random.Random.nextInt(0, charPool.size) }
-        .map(charPool::get)
-        .joinToString("")
-}
-
 fun genRandomHexString(length: Int = 32) = genRandomString(length, ('0'..'9') + ('a'..'f'))
 
-fun compressGzip(input: String): ByteArray {
-    val byteArrayOutputStream = ByteArrayOutputStream()
-    GZIPOutputStream(byteArrayOutputStream).use { gzip ->
-        gzip.write(input.toByteArray())
-    }
-    return byteArrayOutputStream.toByteArray()
-}
-
-fun decompressGzip(compressed: ByteArray): String {
-    val byteArrayInputStream = ByteArrayInputStream(compressed)
-    GZIPInputStream(byteArrayInputStream).use { gzip ->
-        return gzip.bufferedReader().use { it.readText() }
-    }
-}
-
 fun readRawFile(id: Int) = app.resources.openRawResource(id).readBytes()
 
 
@@ -340,6 +229,19 @@ fun showError(e: Throwable, tag: String = "") {
     )
 }
 
+fun getFileAccessUrl(
+    host: String = getLocalServerAddress(),
+    shareInfo: String,
+    fileName: String
+): String {
+    return "${host}/api/download?s=${
+        URLEncoder.encode(
+            shareInfo,
+            "UTF-8"
+        )
+    }&accessKey=${mixFileServer.accessKey}#${fileName}"
+}
+
 fun getIpAddressInLocalNetwork(): String {
     val networkInterfaces = NetworkInterface.getNetworkInterfaces().iterator().asSequence()
     val localAddresses = networkInterfaces.flatMap {
@@ -369,11 +271,6 @@ inline fun errorDialog(title: String, block: () -> Unit) {
     }
 }
 
-@OptIn(InternalAPI::class)
-fun FormBuilder.add(key: String, value: Any?, headers: Headers = Headers.Empty) {
-    append(key.quote(), value ?: "", headers)
-}
-
 fun formatTime(date: Date, format: String = "yyyy-MM-dd HH:mm:ss"): String {
     val formatter = SimpleDateFormat(format, Locale.US)
     return formatter.format(date)
diff --git a/app/src/main/java/com/donut/mixfile/util/ComposeUtil.kt b/app/src/main/java/com/donut/mixfile/util/ComposeUtil.kt
index 5f7c747..393c3a9 100644
--- a/app/src/main/java/com/donut/mixfile/util/ComposeUtil.kt
+++ b/app/src/main/java/com/donut/mixfile/util/ComposeUtil.kt
@@ -37,6 +37,7 @@ import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
 import com.donut.mixfile.appScope
 import com.donut.mixfile.currentActivity
+import com.donut.mixfile.server.core.utils.isNotNull
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.theme.MainTheme
 import com.donut.mixfile.ui.theme.colorScheme
diff --git a/app/src/main/java/com/donut/mixfile/util/Json.kt b/app/src/main/java/com/donut/mixfile/util/Json.kt
deleted file mode 100644
index 32d459d..0000000
--- a/app/src/main/java/com/donut/mixfile/util/Json.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-package com.donut.mixfile.util
-
-import com.google.gson.GsonBuilder
-import com.google.gson.TypeAdapter
-import com.google.gson.stream.JsonReader
-import com.google.gson.stream.JsonToken
-import com.google.gson.stream.JsonWriter
-import java.io.IOException
-import java.util.Date
-
-class TimestampAdapter : TypeAdapter<Date?>() {
-    @Throws(IOException::class)
-    override fun write(out: JsonWriter, value: Date?) {
-        if (value == null) {
-            out.nullValue()
-            return
-        }
-        out.value(value.time)
-    }
-
-    @Throws(IOException::class)
-    override fun read(`in`: JsonReader): Date? {
-        if (`in`.peek() === JsonToken.NULL) {
-            `in`.nextNull()
-            return null
-        }
-        return Date(`in`.nextLong())
-    }
-}
-
-val GSON = GsonBuilder().registerTypeAdapter(Date::class.java, TimestampAdapter()).create()
-
diff --git a/app/src/main/java/com/donut/mixfile/util/file/FileCard.kt b/app/src/main/java/com/donut/mixfile/util/file/FileCard.kt
index bca5982..a23140c 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/FileCard.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/FileCard.kt
@@ -32,13 +32,15 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.donut.mixfile.server.core.utils.parseFileMimeType
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
+import com.donut.mixfile.server.downloadUrl
 import com.donut.mixfile.server.serverStarted
 import com.donut.mixfile.ui.routes.home.tryResolveFile
 import com.donut.mixfile.ui.theme.colorScheme
 import com.donut.mixfile.util.cachedMutableOf
 import com.donut.mixfile.util.formatFileSize
 import com.donut.mixfile.util.formatTime
-import com.donut.mixfile.util.parseFileMimeType
 import com.donut.mixfile.util.reveiver.NetworkChangeReceiver
 
 var filePreview by cachedMutableOf("关闭", "mix_file_preview")
diff --git a/app/src/main/java/com/donut/mixfile/util/file/FileDataLog.kt b/app/src/main/java/com/donut/mixfile/util/file/FileDataLog.kt
index 8c31aa7..f3a7d50 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/FileDataLog.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/FileDataLog.kt
@@ -7,15 +7,16 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import com.donut.mixfile.server.accessKey
-import com.donut.mixfile.server.utils.bean.MixShareInfo
+import com.alibaba.fastjson2.annotation.JSONField
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.resolveMixShareInfo
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.routes.autoAddFavorite
 import com.donut.mixfile.ui.routes.favorites.currentCategory
 import com.donut.mixfile.ui.routes.home.getLocalServerAddress
 import com.donut.mixfile.util.cachedMutableOf
+import com.donut.mixfile.util.getFileAccessUrl
 import com.donut.mixfile.util.showToast
-import java.net.URLEncoder
 import java.util.Date
 
 
@@ -35,15 +36,9 @@ data class FileDataLog(
         category = category.trim()
     }
 
+    @get:JSONField(serialize = false)
     val downloadUrl: String
-        get() {
-            return "${getLocalServerAddress()}/api/download?s=${
-                URLEncoder.encode(
-                    shareInfoData,
-                    "UTF-8"
-                )
-            }&accessKey=$accessKey#${name}"
-        }
+        get() = getFileAccessUrl(getLocalServerAddress(), shareInfoData, name)
 
     fun updateDataList(list: List<FileDataLog>, action: (FileDataLog) -> FileDataLog) = list.map {
         if (it.shareInfoData == this.shareInfoData) {
diff --git a/app/src/main/java/com/donut/mixfile/util/file/FileDialog.kt b/app/src/main/java/com/donut/mixfile/util/file/FileDialog.kt
index 4379189..a4e2a44 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/FileDialog.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/FileDialog.kt
@@ -20,12 +20,16 @@ import androidx.core.net.toUri
 import com.donut.mixfile.activity.video.VideoActivity
 import com.donut.mixfile.app
 import com.donut.mixfile.currentActivity
-import com.donut.mixfile.server.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.utils.shareCode
+import com.donut.mixfile.server.downloadUrl
+import com.donut.mixfile.server.lanUrl
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.routes.favorites.importFileList
 import com.donut.mixfile.ui.routes.favorites.openCategorySelect
 import com.donut.mixfile.ui.routes.home.DownloadTask
 import com.donut.mixfile.ui.routes.home.showDownloadTaskWindow
+import com.donut.mixfile.ui.routes.useShortCode
 import com.donut.mixfile.ui.routes.useSystemPlayer
 import com.donut.mixfile.ui.theme.colorScheme
 import com.donut.mixfile.util.copyToClipboard
@@ -55,7 +59,7 @@ fun showFileInfoDialog(
                 InfoText(key = "密钥: ", value = shareInfo.key)
                 FlowRow(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
                     AssistChip(onClick = {
-                        shareInfo.shareCode().copyToClipboard()
+                        shareInfo.shareCode(useShortCode).copyToClipboard()
                     }, label = {
                         Text(text = "复制分享码", color = colorScheme.primary)
                     })
diff --git a/app/src/main/java/com/donut/mixfile/util/file/FileImport.kt b/app/src/main/java/com/donut/mixfile/util/file/FileImport.kt
index 52e1dfa..bb709b1 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/FileImport.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/FileImport.kt
@@ -11,23 +11,23 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.alibaba.fastjson2.into
+import com.alibaba.fastjson2.toJSONString
 import com.donut.mixfile.activity.video.VideoActivity
 import com.donut.mixfile.app
 import com.donut.mixfile.currentActivity
-import com.donut.mixfile.server.localClient
+import com.donut.mixfile.server.core.localClient
+import com.donut.mixfile.server.core.utils.compressGzip
+import com.donut.mixfile.server.core.utils.decompressGzip
+import com.donut.mixfile.server.core.utils.hashSHA256
+import com.donut.mixfile.server.core.utils.parseFileMimeType
+import com.donut.mixfile.server.core.utils.toHex
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
-import com.donut.mixfile.util.GSON
-import com.donut.mixfile.util.compressGzip
-import com.donut.mixfile.util.decompressGzip
 import com.donut.mixfile.util.formatFileSize
 import com.donut.mixfile.util.getCurrentTime
-import com.donut.mixfile.util.hashSHA256
 import com.donut.mixfile.util.objects.ProgressContent
-import com.donut.mixfile.util.parseFileMimeType
 import com.donut.mixfile.util.showErrorDialog
 import com.donut.mixfile.util.showToast
-import com.donut.mixfile.util.toHex
-import com.donut.mixfile.util.toJsonString
 import io.ktor.client.plugins.onDownload
 import io.ktor.client.request.prepareGet
 import io.ktor.client.request.url
@@ -41,7 +41,7 @@ import kotlinx.coroutines.withContext
 import kotlinx.io.readByteArray
 
 fun exportFileList(fileList: Collection<FileDataLog>, name: String) {
-    val strData = fileList.toJsonString()
+    val strData = fileList.toJSONString()
     val compressedData = compressGzip(strData)
     doUploadFile(
         compressedData,
@@ -75,7 +75,7 @@ fun showExportFileListDialog(fileList: Collection<FileDataLog>) {
     }
 }
 
-fun List<FileDataLog>.hashSHA256() = joinToString { it.shareInfoData }.hashSHA256().toHex()
+fun List<FileDataLog>.hashSHA256(): String = joinToString { it.shareInfoData }.hashSHA256().toHex()
 
 
 fun showFileList(fileList: List<FileDataLog>) {
@@ -134,7 +134,7 @@ suspend fun loadFileList(url: String, progressContent: ProgressContent): Array<F
             }
             val data = it.bodyAsChannel().readRemaining(1024 * 1024 * 50).readByteArray()
             val extractedData = decompressGzip(data)
-            return@execute GSON.fromJson(extractedData, Array<FileDataLog>::class.java)
+            return@execute extractedData.into()
         }
     } catch (e: Exception) {
         withContext(Dispatchers.Main) {
diff --git a/app/src/main/java/com/donut/mixfile/util/file/FileUtil.kt b/app/src/main/java/com/donut/mixfile/util/file/FileUtil.kt
index 4545f45..226222a 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/FileUtil.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/FileUtil.kt
@@ -21,10 +21,9 @@ import androidx.compose.ui.window.DialogProperties
 import com.donut.mixfile.MainActivity
 import com.donut.mixfile.app
 import com.donut.mixfile.appScope
-import com.donut.mixfile.server.StreamContent
-import com.donut.mixfile.server.accessKey
-import com.donut.mixfile.server.localClient
-import com.donut.mixfile.server.utils.bean.MixShareInfo
+import com.donut.mixfile.server.core.StreamContent
+import com.donut.mixfile.server.core.localClient
+import com.donut.mixfile.server.mixFileServer
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
 import com.donut.mixfile.ui.routes.home.getLocalServerAddress
 import com.donut.mixfile.ui.routes.home.tryResolveFile
@@ -72,7 +71,7 @@ suspend fun putUploadFile(
         onUpload(progressContent.ktorListener)
         parameter("name", name)
         parameter("add", add)
-        parameter("accessKey", accessKey)
+        parameter("accessKey", mixFileServer.accessKey)
         setBody(data)
     }
     val message = response.bodyAsText()
@@ -257,6 +256,3 @@ suspend fun saveFileToStorage(
     return fileUri
 }
 
-fun resolveMixShareInfo(value: String): MixShareInfo? {
-    return parseShareCode(value)
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/util/file/ImageDialog.kt b/app/src/main/java/com/donut/mixfile/util/file/ImageDialog.kt
index eb8f84c..c875ff0 100644
--- a/app/src/main/java/com/donut/mixfile/util/file/ImageDialog.kt
+++ b/app/src/main/java/com/donut/mixfile/util/file/ImageDialog.kt
@@ -23,8 +23,8 @@ import androidx.compose.ui.unit.sp
 import coil.compose.SubcomposeAsyncImage
 import coil.request.ImageRequest
 import com.donut.mixfile.genImageLoader
+import com.donut.mixfile.server.core.utils.isTrue
 import com.donut.mixfile.ui.component.common.MixDialogBuilder
-import com.donut.mixfile.util.isTrue
 import com.donut.mixfile.util.objects.ProgressContent
 import net.engawapg.lib.zoomable.rememberZoomState
 import net.engawapg.lib.zoomable.zoomable
diff --git a/app/src/main/java/com/donut/mixfile/util/file/ShareCode.kt b/app/src/main/java/com/donut/mixfile/util/file/ShareCode.kt
deleted file mode 100644
index 8c8b07f..0000000
--- a/app/src/main/java/com/donut/mixfile/util/file/ShareCode.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-package com.donut.mixfile.util.file
-
-import com.donut.mixfile.server.utils.bean.MixShareInfo
-import com.donut.mixfile.ui.routes.useShortCode
-import com.donut.mixfile.util.decodeHex
-import com.donut.mixfile.util.hashMD5
-import com.donut.mixfile.util.toHex
-
-private val encodeMap = run {
-    val map = mutableMapOf<String, String>()
-    for (value in 0xfe00..0xfe0f) {
-        val key = (value - 0xfe00).toString(16)
-        map[key] = "${value.toChar()}"
-    }
-    map
-}
-
-fun MixShareInfo.shareCode(): String {
-    if (useShortCode) {
-        return "mf://${encodeHex(this.toString())}${
-            MixShareInfo.ENCODER.encode(
-                this.url.hashMD5().copyOf(6)
-            )
-        }"
-    }
-    return "mf://$this"
-}
-
-fun parseShareCode(code: String): MixShareInfo? {
-    val mf = code.substringAfter("mf://")
-    val encoded = decodeHex(mf)
-    val parsed = MixShareInfo.tryFromString(encoded) ?: MixShareInfo.tryFromString(mf)
-    return parsed
-}
-
-fun encodeHex(data: String): String {
-    val sb = StringBuilder()
-    for (element in data.toByteArray().toHex()) {
-        if (encodeMap.containsKey(element.toString())) {
-            sb.append(encodeMap[element.toString()])
-        }
-    }
-    return sb.toString()
-}
-
-fun decodeHex(data: String): String {
-    val sb = StringBuilder()
-    for (element in data) {
-        if (encodeMap.containsValue(element.toString())) {
-            sb.append(encodeMap.filterValues { it == element.toString() }.keys.first())
-        }
-    }
-    return sb.toString().decodeHex().decodeToString()
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/donut/mixfile/util/reveiver/MetworkReceiver.kt b/app/src/main/java/com/donut/mixfile/util/reveiver/MetworkReceiver.kt
index 51f0af4..930d26d 100644
--- a/app/src/main/java/com/donut/mixfile/util/reveiver/MetworkReceiver.kt
+++ b/app/src/main/java/com/donut/mixfile/util/reveiver/MetworkReceiver.kt
@@ -10,7 +10,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
 import com.donut.mixfile.appScope
 import com.donut.mixfile.server.FileService
-import com.donut.mixfile.server.serverPort
+import com.donut.mixfile.server.mixFileServer
 import com.donut.mixfile.ui.routes.home.serverAddress
 import com.donut.mixfile.util.getIpAddressInLocalNetwork
 import kotlinx.coroutines.launch
@@ -35,6 +35,6 @@ object NetworkChangeReceiver : BroadcastReceiver() {
         appScope.launch {
             FileService.instance?.updateNotification()
         }
-        serverAddress = "http://${getIpAddressInLocalNetwork()}:$serverPort"
+        serverAddress = "http://${getIpAddressInLocalNetwork()}:${mixFileServer.serverPort}"
     }
 }
\ No newline at end of file
diff --git a/app/src/test/java/com/donut/mixfile/ExampleUnitTest.kt b/app/src/test/java/com/donut/mixfile/ExampleUnitTest.kt
index e0667a6..89bb995 100644
--- a/app/src/test/java/com/donut/mixfile/ExampleUnitTest.kt
+++ b/app/src/test/java/com/donut/mixfile/ExampleUnitTest.kt
@@ -1,8 +1,11 @@
 package com.donut.mixfile
 
-import com.donut.mixfile.util.file.encodeHex
+import com.alibaba.fastjson2.to
+import com.alibaba.fastjson2.toJSONString
+import com.donut.mixfile.server.core.utils.registerJson
 import kotlinx.coroutines.runBlocking
 import org.junit.Test
+import java.util.Date
 
 
 /**
@@ -13,11 +16,18 @@ import org.junit.Test
 
 class ExampleUnitTest {
 
+    data class User(
+        val age: Int,
+        val date: Date = Date()
+    )
 
     @Test
     fun main() {
+        println("程序继续执行")
+        registerJson()
         runBlocking {
-
+            println(User(1).toJSONString())
+            println("{\"age\":1,\"date\":1742876318663}".to<User>())
         }
     }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 8d819b4..bb9c163 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,11 +7,12 @@ composeVideo = "1.2.0"
 dec = "0.1.2"
 dkplayerJava = "3.3.7"
 easywindow = "10.6"
-firebaseAnalytics = "22.3.0"
+fastjson2Kotlin = "2.0.56"
+firebaseAnalytics = "22.4.0"
 gifencoder = "0.10.1"
 giffle = "1.2.0"
 jvmbrotli = "0.2.0"
-kotlin = "2.1.0"
+kotlin = "2.1.20"
 coreKtx = "1.15.0"
 junit = "4.13.2"
 junitVersion = "1.2.1"
@@ -21,17 +22,20 @@ activityCompose = "1.10.1"
 composeBom = "2024.08.00"
 ktorClientCio = "3.1.1"
 lz4Java = "1.8.0"
+materialIconsExtended = "1.7.8"
 media3Exoplayer = "1.5.1"
 media3Session = "1.5.1"
 mimetypes = "0.0.3"
-mmkv = "1.3.5"
-navigationCompose = "2.8.8"
+mmkv = "2.1.0"
+navigationCompose = "2.8.9"
 zoomable = "1.6.1"
 googleServices = "4.4.2"
 
 [libraries]
 android-gif-drawable = { module = "pl.droidsonroids.gif:android-gif-drawable", version.ref = "androidGifDrawable" }
 androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appcompat" }
+androidx-material-icons-extended = { module = "androidx.compose.material:material-icons-extended", version.ref = "materialIconsExtended" }
+fastjson2-kotlin = { module = "com.alibaba.fastjson2:fastjson2-kotlin", version.ref = "fastjson2Kotlin" }
 google-services = { module = "com.google.gms:google-services", version.ref = "googleServices" }
 androidx-media3-session = { module = "androidx.media3:media3-session", version.ref = "media3Session" }
 androidx-media3-exoplayer = { module = "androidx.media3:media3-exoplayer", version.ref = "media3Exoplayer" }
@@ -52,6 +56,8 @@ firebase-analytics = { module = "com.google.firebase:firebase-analytics", versio
 gifencoder = { module = "com.squareup:gifencoder", version.ref = "gifencoder" }
 giffle = { module = "com.madgag:giffle", version.ref = "giffle" }
 jvmbrotli = { module = "com.nixxcode.jvmbrotli:jvmbrotli", version.ref = "jvmbrotli" }
+kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlin" }
+kotlin-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kotlin" }
 ktor-client-cio = { module = "io.ktor:ktor-client-cio", version.ref = "ktorClientCio" }
 ktor-client-content-negotiation = { module = "io.ktor:ktor-client-content-negotiation", version.ref = "ktorClientCio" }
 ktor-client-core = { module = "io.ktor:ktor-client-core", version.ref = "ktorClientCio" }