diff --git a/src/Common.ClientLib.Droid/Extensions/UriExtensions.cs b/src/Common.ClientLib.Droid/Extensions/UriExtensions.cs
new file mode 100644
index 000000000..2522c03d0
--- /dev/null
+++ b/src/Common.ClientLib.Droid/Extensions/UriExtensions.cs
@@ -0,0 +1,333 @@
+using Android;
+using Android.OS;
+using Android.Provider;
+using Android.Webkit;
+using System.IO;
+using Xamarin.Essentials;
+using AndroidUri = Android.Net.Uri;
+using XEPlatform = Xamarin.Essentials.Platform;
+
+// ReSharper disable once CheckNamespace
+namespace System
+{
+    public static class UriExtensions
+    {
+        // https://github.com/xamarin/Essentials/blob/main/Xamarin.Essentials/FileSystem/FileSystem.android.cs
+
+        const string storageTypePrimary = "primary";
+        const string storageTypeRaw = "raw";
+        const string storageTypeImage = "image";
+        const string storageTypeVideo = "video";
+        const string storageTypeAudio = "audio";
+        static readonly string[] contentUriPrefixes =
+        {
+            "content://downloads/public_downloads",
+            "content://downloads/my_downloads",
+            "content://downloads/all_downloads",
+        };
+
+        internal const string UriSchemeFile = "file";
+        internal const string UriSchemeContent = "content";
+
+        internal const string UriAuthorityExternalStorage = "com.android.externalstorage.documents";
+        internal const string UriAuthorityDownloads = "com.android.providers.downloads.documents";
+        internal const string UriAuthorityMedia = "com.android.providers.media.documents";
+
+        public static string? EnsurePhysicalPath(this AndroidUri? uri, bool requireExtendedAccess = true)
+        {
+            if (uri != null)
+            {
+                // if this is a file, use that
+                if (uri.Scheme!.Equals(UriSchemeFile, StringComparison.OrdinalIgnoreCase))
+                    return uri.Path;
+
+                // try resolve using the content provider
+                var absolute = ResolvePhysicalPath(uri, requireExtendedAccess);
+                if (!string.IsNullOrWhiteSpace(absolute) && Path.IsPathRooted(absolute))
+                    return absolute;
+
+                // fall back to just copying it
+                var cached = CacheContentFile(uri);
+                if (!string.IsNullOrWhiteSpace(cached) && Path.IsPathRooted(cached))
+                    return cached;
+            }
+
+            return null;
+        }
+
+        static string? ResolvePhysicalPath(AndroidUri uri, bool requireExtendedAccess = true)
+        {
+            if (uri.Scheme!.Equals(UriSchemeFile, StringComparison.OrdinalIgnoreCase))
+            {
+                // if it is a file, then return directly
+
+                var resolved = uri.Path;
+                if (File.Exists(resolved))
+                    return resolved;
+            }
+            else if (!requireExtendedAccess || !((int)Build.VERSION.SdkInt >= (int)BuildVersionCodes.Q))
+            {
+                // if this is on an older OS version, or we just need it now
+
+                if (DocumentsContract.IsDocumentUri(XEPlatform.AppContext, uri))
+                {
+                    var resolved = ResolveDocumentPath(uri);
+                    if (File.Exists(resolved))
+                        return resolved;
+                }
+                else if (uri.Scheme!.Equals(UriSchemeContent, StringComparison.OrdinalIgnoreCase))
+                {
+                    var resolved = ResolveContentPath(uri);
+                    if (File.Exists(resolved))
+                        return resolved;
+                }
+            }
+
+            return null;
+        }
+
+        static string? ResolveDocumentPath(AndroidUri uri)
+        {
+            var docId = DocumentsContract.GetDocumentId(uri);
+
+            var docIdParts = docId?.Split(':');
+            if (docIdParts == null || docIdParts.Length == 0)
+                return null;
+
+            if (uri.Authority!.Equals(UriAuthorityExternalStorage, StringComparison.OrdinalIgnoreCase))
+            {
+                if (docIdParts.Length == 2)
+                {
+                    var storageType = docIdParts[0];
+                    var uriPath = docIdParts[1];
+
+                    // This is the internal "external" memory, NOT the SD Card
+                    if (storageType.Equals(storageTypePrimary, StringComparison.OrdinalIgnoreCase))
+                    {
+#pragma warning disable CS0618 // Type or member is obsolete
+                        var root = Android.OS.Environment.ExternalStorageDirectory!.Path;
+#pragma warning restore CS0618 // Type or member is obsolete
+
+                        return Path.Combine(root, uriPath);
+                    }
+
+                    // TODO: support other types, such as actual SD Cards
+                }
+            }
+            else if (uri.Authority.Equals(UriAuthorityDownloads, StringComparison.OrdinalIgnoreCase))
+            {
+                // NOTE: This only really applies to older Android vesions since the privacy changes
+
+                if (docIdParts.Length == 2)
+                {
+                    var storageType = docIdParts[0];
+                    var uriPath = docIdParts[1];
+
+                    if (storageType.Equals(storageTypeRaw, StringComparison.OrdinalIgnoreCase))
+                        return uriPath;
+                }
+
+                // ID could be "###" or "msf:###"
+                var fileId = docIdParts.Length == 2
+                    ? docIdParts[1]
+                    : docIdParts[0];
+
+                foreach (var prefix in contentUriPrefixes)
+                {
+                    var uriString = prefix + "/" + fileId;
+                    var contentUri = AndroidUri.Parse(uriString);
+
+                    if (GetDataFilePath(contentUri!) is string filePath)
+                        return filePath;
+                }
+            }
+            else if (uri.Authority.Equals(UriAuthorityMedia, StringComparison.OrdinalIgnoreCase))
+            {
+                if (docIdParts.Length == 2)
+                {
+                    var storageType = docIdParts[0];
+                    var uriPath = docIdParts[1];
+
+                    AndroidUri? contentUri = null;
+                    if (storageType.Equals(storageTypeImage, StringComparison.OrdinalIgnoreCase))
+                        contentUri = MediaStore.Images.Media.ExternalContentUri!;
+                    else if (storageType.Equals(storageTypeVideo, StringComparison.OrdinalIgnoreCase))
+                        contentUri = MediaStore.Video.Media.ExternalContentUri!;
+                    else if (storageType.Equals(storageTypeAudio, StringComparison.OrdinalIgnoreCase))
+                        contentUri = MediaStore.Audio.Media.ExternalContentUri!;
+
+#pragma warning disable CS0618 // 类型或成员已过时
+                    if (contentUri != null && GetDataFilePath(contentUri, $"{MediaStore.MediaColumns.Id!}=?", new[] { uriPath }) is string filePath)
+#pragma warning restore CS0618 // 类型或成员已过时
+                        return filePath;
+                }
+            }
+
+            return null;
+        }
+
+        static string? ResolveContentPath(AndroidUri uri)
+        {
+            if (GetDataFilePath(uri) is string filePath)
+                return filePath;
+
+            // TODO: support some additional things, like Google Photos if that is possible
+
+            return null;
+        }
+
+        static string? GetDataFilePath(AndroidUri contentUri, string? selection = null, string[]? selectionArgs = null)
+        {
+#pragma warning disable CS0618 // Type or member is obsolete
+            const string column = MediaStore.Files.FileColumns.Data;
+#pragma warning restore CS0618 // Type or member is obsolete
+
+            // ask the content provider for the data column, which may contain the actual file path
+            var path = GetColumnValue(contentUri, column, selection, selectionArgs);
+            if (!string.IsNullOrEmpty(path) && Path.IsPathRooted(path))
+                return path;
+
+            return null;
+        }
+
+        static string? GetColumnValue(AndroidUri contentUri, string column, string? selection = null, string[]? selectionArgs = null)
+        {
+            try
+            {
+                var value = QueryContentResolverColumn(contentUri, column, selection, selectionArgs);
+                if (!string.IsNullOrEmpty(value))
+                    return value;
+            }
+            catch
+            {
+                // Ignore all exceptions and use null for the error indicator
+            }
+
+            return null;
+        }
+
+        static string? QueryContentResolverColumn(AndroidUri contentUri, string columnName, string? selection = null, string[]? selectionArgs = null)
+        {
+            string? text = null;
+
+            var projection = new[] { columnName };
+            using var cursor = XEPlatform.AppContext.ContentResolver!.Query(contentUri, projection, selection, selectionArgs, null);
+            if (cursor?.MoveToFirst() == true)
+            {
+                var columnIndex = cursor.GetColumnIndex(columnName);
+                if (columnIndex != -1)
+                    text = cursor.GetString(columnIndex);
+            }
+
+            return text;
+        }
+
+        static string? CacheContentFile(AndroidUri uri)
+        {
+            if (!uri.Scheme!.Equals(UriSchemeContent, StringComparison.OrdinalIgnoreCase))
+                return null;
+
+            // open the source stream
+            using var srcStream = OpenContentStream(uri, out var extension);
+            if (srcStream == null)
+                return null;
+
+            // resolve or generate a valid destination path
+#pragma warning disable CS0618 // 类型或成员已过时
+            var filename = GetColumnValue(uri, MediaStore.Files.FileColumns.DisplayName) ?? Guid.NewGuid().ToString("N");
+#pragma warning restore CS0618 // 类型或成员已过时
+            if (!Path.HasExtension(filename) && !string.IsNullOrEmpty(extension))
+                filename = Path.ChangeExtension(filename, extension);
+
+            // create a temporary file
+            var hasPermission = Permissions.IsDeclaredInManifest(Manifest.Permission.WriteExternalStorage);
+            var root = hasPermission
+                ? XEPlatform.AppContext.ExternalCacheDir
+                : XEPlatform.AppContext.CacheDir;
+            var tmpFile = GetEssentialsTemporaryFile(root, filename);
+
+            // copy to the destination
+            using var dstStream = File.Create(tmpFile.CanonicalPath);
+            srcStream.CopyTo(dstStream);
+
+            return tmpFile.CanonicalPath;
+        }
+
+        static Stream? OpenContentStream(AndroidUri uri, out string? extension)
+        {
+            var isVirtual = IsVirtualFile(uri);
+            if (isVirtual)
+            {
+                return GetVirtualFileStream(uri, out extension);
+            }
+
+            extension = GetFileExtension(uri);
+            return XEPlatform.AppContext.ContentResolver!.OpenInputStream(uri);
+        }
+
+        static string? GetFileExtension(AndroidUri uri)
+        {
+            var mimeType = XEPlatform.AppContext.ContentResolver!.GetType(uri);
+
+            return mimeType != null
+                ? MimeTypeMap.Singleton!.GetExtensionFromMimeType(mimeType)
+                : null;
+        }
+
+        static bool IsVirtualFile(AndroidUri uri)
+        {
+            if (!DocumentsContract.IsDocumentUri(XEPlatform.AppContext, uri))
+                return false;
+
+            var value = GetColumnValue(uri, DocumentsContract.Document.ColumnFlags);
+            if (!string.IsNullOrEmpty(value) && int.TryParse(value, out var flagsInt))
+            {
+                var flags = (DocumentContractFlags)flagsInt;
+                return flags.HasFlag(DocumentContractFlags.VirtualDocument);
+            }
+
+            return false;
+        }
+
+        static Stream? GetVirtualFileStream(AndroidUri uri, out string? extension)
+        {
+            var mimeTypes = XEPlatform.AppContext.ContentResolver!.GetStreamTypes(uri, MediaTypeNames.All);
+            if (mimeTypes?.Length >= 1)
+            {
+                var mimeType = mimeTypes[0];
+
+                var stream = XEPlatform.AppContext.ContentResolver!
+                    .OpenTypedAssetFileDescriptor(uri, mimeType, null)!
+                    .CreateInputStream();
+
+                extension = MimeTypeMap.Singleton!.GetExtensionFromMimeType(mimeType);
+
+                return stream;
+            }
+
+            extension = null;
+            return null;
+        }
+
+        internal static Java.IO.File? GetEssentialsTemporaryFile(Java.IO.File root, string fileName)
+        {
+            // create the directory for all Essentials files
+            var rootDir = new Java.IO.File(root, EssentialsFolderHash);
+            rootDir.Mkdirs();
+            rootDir.DeleteOnExit();
+
+            // create a unique directory just in case there are multiple file with the same name
+            var tmpDir = new Java.IO.File(rootDir, Guid.NewGuid().ToString("N"));
+            tmpDir.Mkdirs();
+            tmpDir.DeleteOnExit();
+
+            // create the new temporary file
+            var tmpFile = new Java.IO.File(tmpDir, fileName);
+            tmpFile.DeleteOnExit();
+
+            return tmpFile;
+        }
+
+        internal const string EssentialsFolderHash = "2203693cc04e0be7f4f024d5f9499e13";
+    }
+}
\ No newline at end of file
diff --git a/src/Common.ClientLib.Droid/Logging/PlatformLoggerProvider.cs b/src/Common.ClientLib.Droid/Logging/PlatformLoggerProvider.cs
index f4119371e..665324099 100644
--- a/src/Common.ClientLib.Droid/Logging/PlatformLoggerProvider.cs
+++ b/src/Common.ClientLib.Droid/Logging/PlatformLoggerProvider.cs
@@ -1,4 +1,4 @@
-using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging;
 
 // ReSharper disable once CheckNamespace
 namespace System.Logging
diff --git a/src/Common.ClientLib.Droid/ServiceCollectionExtensions.cs b/src/Common.ClientLib.Droid/ServiceCollectionExtensions.cs
index 6a5db31ce..ea0dab9e7 100644
--- a/src/Common.ClientLib.Droid/ServiceCollectionExtensions.cs
+++ b/src/Common.ClientLib.Droid/ServiceCollectionExtensions.cs
@@ -1,4 +1,4 @@
-using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
 using System.Application.Services;
 using System.Application.Services.Implementation;
@@ -19,28 +19,6 @@ namespace Microsoft.Extensions.DependencyInjection
         public static IServiceCollection TryAddToast(this IServiceCollection services)
             => PlatformToastImpl.TryAddToast(services);
 
-        /// <summary>
-        /// 添加客户端日志提供程序
-        /// </summary>
-        /// <param name="builder"></param>
-        /// <returns></returns>
-        public static ILoggingBuilder AddClientProvider(this ILoggingBuilder builder)
-        {
-            builder.AddProvider(PlatformLoggerProvider.Instance);
-            return builder;
-        }
-
-        /// <summary>
-        /// 添加客户端日志
-        /// </summary>
-        /// <param name="services"></param>
-        /// <returns></returns>
-        public static IServiceCollection AddClientLogging(this IServiceCollection services)
-        {
-            services.AddLogging(l => l.AddClientProvider());
-            return services;
-        }
-
         /// <summary>
         /// 添加调试模式显示
         /// </summary>
diff --git a/src/Common.CoreLib/IOPath.cs b/src/Common.CoreLib/IOPath.cs
index 91bb145ba..6a721baa6 100644
--- a/src/Common.CoreLib/IOPath.cs
+++ b/src/Common.CoreLib/IOPath.cs
@@ -104,6 +104,9 @@ namespace System
 
         #region FileSystem
 
+        public const string DirName_AppData = "AppData";
+        public const string DirName_Cache = "Cache";
+
         static Func<string>? getAppDataDirectory;
         static Func<string>? getCacheDirectory;
 
@@ -125,7 +128,7 @@ namespace System
                 {
                     if (DI.DeviceIdiom == DeviceIdiom.Desktop)
                     {
-                        var r = Path.Combine(BaseDirectory, "AppData");
+                        var r = Path.Combine(BaseDirectory, DirName_AppData);
                         DirCreateByNotExists(r);
                         return r;
                     }
@@ -153,7 +156,7 @@ namespace System
                 {
                     if (DI.DeviceIdiom == DeviceIdiom.Desktop)
                     {
-                        var r = Path.Combine(BaseDirectory, "Cache");
+                        var r = Path.Combine(BaseDirectory, DirName_Cache);
                         DirCreateByNotExists(r);
                         return r;
                     }
@@ -237,14 +240,14 @@ namespace System
         /// <summary>
         /// 判断路径是否为[文件夹(Dir)]
         /// </summary>
-        /// <param name="ioPath"></param>
+        /// <param name="IOPath"></param>
         /// <returns></returns>
-        public static bool IsDirectory(string ioPath)
+        public static bool IsDirectory(string IOPath)
         {
 #if NET35
             throw new PlatformNotSupportedException();
 #else
-            var attr = File.GetAttributes(ioPath);
+            var attr = File.GetAttributes(IOPath);
             return attr.HasFlag(FileAttributes.Directory);
 #endif
         }
@@ -254,21 +257,21 @@ namespace System
         /// <para>如果传入的参数为[文件(File)]路径，则返回当前所在[文件夹(Dir)]路径</para>
         /// <para>如果传入的参数为[文件夹(Dir)]路径，则直接返回参数</para>
         /// </summary>
-        /// <param name="ioPath"></param>
+        /// <param name="IOPath"></param>
         /// <returns></returns>
-        public static string GetDirectoryPath(string ioPath)
+        public static string GetDirectoryPath(string IOPath)
         {
             try
             {
-                if (!IsDirectory(ioPath))
+                if (!IsDirectory(IOPath))
                 {
-                    return Path.GetDirectoryName(ioPath) ?? string.Empty;
+                    return Path.GetDirectoryName(IOPath) ?? string.Empty;
                 }
             }
             catch
             {
             }
-            return ioPath;
+            return IOPath;
         }
 
         static FileStream OpenReadCore(string filePath) => new(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
diff --git a/src/Common.CoreLib/MediaTypeNames.cs b/src/Common.CoreLib/MediaTypeNames.cs
index a04b44e76..b0fa71942 100644
--- a/src/Common.CoreLib/MediaTypeNames.cs
+++ b/src/Common.CoreLib/MediaTypeNames.cs
@@ -76,5 +76,7 @@ namespace System
         public const string VideoAll = "video/*";
 
         public const string PDF = "application/pdf";
+
+        public const string All = "*/*";
     }
 }
\ No newline at end of file
diff --git a/src/ST.Client.Desktop.Avalonia.App/Program.InitLogDir.cs b/src/ST.Client.Desktop.Avalonia.App/Program.InitLogDir.cs
deleted file mode 100644
index 2f777d50d..000000000
--- a/src/ST.Client.Desktop.Avalonia.App/Program.InitLogDir.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-using ArchiSteamFarm;
-using NLog;
-using NLog.Common;
-using NLog.Config;
-using NLog.Filters;
-using NLog.Targets;
-using System.Application.Services;
-using System.Application.UI;
-using System.IO;
-using NLogLevel = NLog.LogLevel;
-
-#if CONSOLEAPP
-namespace System.Application
-#else
-namespace System.Application.UI
-#endif
-{
-    static partial class Program
-    {
-        public static Logger? logger;
-
-        public static string InitLogDir(string? alias = null)
-        {
-            var logDirPath = Path.Combine(
-#if WINDOWS_DESKTOP_BRIDGE || MAC
-                IOPath.CacheDirectory
-#else
-                IOPath.BaseDirectory
-#endif
-                , "Logs");
-            IOPath.DirCreateByNotExists(logDirPath);
-#if StartupTrace
-            StartupTrace.Restart("InitLogDir.IO");
-#endif
-            var logDirPath_ = logDirPath + Path.DirectorySeparatorChar;
-
-            InternalLogger.LogFile = logDirPath_ + "internal-nlog" + alias + ".txt";
-            InternalLogger.LogLevel = NLogLevel.Error;
-            var objConfig = new LoggingConfiguration();
-            var defMinLevel = AppHelper.DefaultNLoggerMinLevel;
-            var logfile = new FileTarget("logfile")
-            {
-                FileName = logDirPath_ + "nlog-all-${shortdate}" + alias + ".log",
-                Layout = "${longdate}|${level}|${logger}|${message} |${all-event-properties} ${exception:format=tostring}",
-                ArchiveAboveSize = 10485760,
-                MaxArchiveFiles = 14,
-                MaxArchiveDays = 7,
-            };
-            var asfLogDirPath = ASFPathHelper.GetLogDirectory(logDirPath_);
-            FileTarget logfile_asf = new("File")
-            {
-                ArchiveFileName = ASFPathHelper.GetNLogArchiveFileName(asfLogDirPath),
-                ArchiveNumbering = ArchiveNumberingMode.Rolling,
-                ArchiveOldFileOnStartup = true,
-                CleanupFileName = false,
-                ConcurrentWrites = false,
-                DeleteOldFileOnStartup = true,
-                FileName = ASFPathHelper.GetNLogFileName(asfLogDirPath),
-                Layout = ASFPathHelper.NLogGeneralLayout,
-                ArchiveAboveSize = 10485760,
-                MaxArchiveFiles = 10,
-                MaxArchiveDays = 7,
-            };
-            objConfig.AddTarget(logfile);
-            objConfig.AddTarget(logfile_asf);
-
-            objConfig.AddRule(NLogLevel.Error, NLogLevel.Fatal, logfile, "Microsoft.*");
-            objConfig.AddRule(NLogLevel.Error, NLogLevel.Fatal, logfile, "System.Net.Http.*");
-            objConfig.LoggingRules.Add(new LoggingRule("ArchiSteamFarm*", NLogLevel.Off, logfile) { Final = true, });
-            objConfig.AddRule(defMinLevel, NLogLevel.Fatal, logfile, "*");
-            objConfig.LoggingRules.Add(new LoggingRule("ArchiSteamFarm*", defMinLevel, logfile_asf));
-#if StartupTrace
-            StartupTrace.Restart("InitLogDir.CreateLoggingConfiguration");
-#endif
-            NLog.LogManager.Configuration = objConfig;
-
-            IArchiSteamFarmService.InitCoreLoggers = () =>
-            {
-                if (ArchiSteamFarm.LogManager.Configuration != null) return;
-                LoggingConfiguration config = new();
-                var logDirPath_ASF = ASFPathHelper.GetLogDirectory(logDirPath_);
-                FileTarget fileTarget = new("File")
-                {
-                    ArchiveFileName = ASFPathHelper.GetNLogArchiveFileName(logDirPath_ASF),
-                    ArchiveNumbering = ArchiveNumberingMode.Rolling,
-                    ArchiveOldFileOnStartup = true,
-                    CleanupFileName = false,
-                    ConcurrentWrites = false,
-                    DeleteOldFileOnStartup = true,
-                    FileName = ASFPathHelper.GetNLogFileName(logDirPath_ASF),
-                    Layout = ASFPathHelper.NLogGeneralLayout,
-                    ArchiveAboveSize = 10485760,
-                    MaxArchiveFiles = 10,
-                    MaxArchiveDays = 7,
-                };
-                config.AddTarget(fileTarget);
-                config.LoggingRules.Add(new LoggingRule("*", defMinLevel, fileTarget));
-                ArchiSteamFarm.LogManager.Configuration = config;
-            };
-
-            return logDirPath;
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/ST.Client.Desktop.Avalonia.App/Program.cs b/src/ST.Client.Desktop.Avalonia.App/Program.cs
index 08b58a8eb..715621ea3 100644
--- a/src/ST.Client.Desktop.Avalonia.App/Program.cs
+++ b/src/ST.Client.Desktop.Avalonia.App/Program.cs
@@ -11,6 +11,7 @@ namespace System.Application.UI
 {
     static partial class Program
     {
+        static Logger? logger;
         static readonly HashSet<Exception> exceptions = new();
         static readonly object lock_global_ex_log = new();
 
@@ -39,12 +40,12 @@ namespace System.Application.UI
             IsMainProcess = args.Length == 0;
             IsCLTProcess = !IsMainProcess && args.FirstOrDefault() == "-clt";
 
-            var logDirPath = InitLogDir();
+            AppHelper.InitLogDir();
 #if StartupTrace
             StartupTrace.Restart("InitLogDir");
 #endif
 
-            void InitCefNetApp() => CefNetApp.Init(logDirPath, args);
+            void InitCefNetApp() => CefNetApp.Init(AppHelper.LogDirPath, args);
             void InitAvaloniaApp() => BuildAvaloniaAppAndStartWithClassicDesktopLifetime(args);
             void InitStartup(DILevel level) => Startup.Init(level);
             logger = LogManager.GetCurrentClassLogger();
diff --git a/src/ST.Client.Desktop.Avalonia.App/WebViewImplType.cs b/src/ST.Client.Desktop.Avalonia.App/WebViewImplType.cs
deleted file mode 100644
index f02b6ee71..000000000
--- a/src/ST.Client.Desktop.Avalonia.App/WebViewImplType.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-//namespace System.Application.UI
-//{
-//    public enum WebViewImplType : byte
-//    {
-//        ChromiumEmbeddedFramework,
-
-//        /// <summary>
-//        /// https://docs.microsoft.com/zh-cn/microsoft-edge/webview2
-//        /// </summary>
-//        MicrosoftEdgeWebView2InWPF,
-//    }
-//}
\ No newline at end of file
diff --git a/src/ST.Client.Desktop/FileSystemDesktop.cs b/src/ST.Client.Desktop/FileSystemDesktop.cs
index 557c907ef..9c04ef4af 100644
--- a/src/ST.Client.Desktop/FileSystemDesktop.cs
+++ b/src/ST.Client.Desktop/FileSystemDesktop.cs
@@ -11,9 +11,6 @@ namespace System.Application
     /// </summary>
     public static class FileSystemDesktop
     {
-        public const string AppDataDirName = "AppData";
-        public const string CacheDirName = "Cache";
-
         /// <summary>
         /// 初始化文件系统
         /// </summary>
@@ -35,8 +32,8 @@ namespace System.Application
                 IOPath.BaseDirectory;
 #endif
 
-            var appDataPath = Path.Combine(appDataRootPath, AppDataDirName);
-            var cachePath = Path.Combine(appDataRootPath, CacheDirName);
+            var appDataPath = Path.Combine(appDataRootPath, IOPath.DirName_AppData);
+            var cachePath = Path.Combine(appDataRootPath, IOPath.DirName_Cache);
             IOPath.DirCreateByNotExists(appDataPath);
             IOPath.DirCreateByNotExists(cachePath);
             IOPath.InitFileSystem(GetAppDataDirectory, GetCacheDirectory);
diff --git a/src/ST.Client.Desktop/ServiceCollectionExtensions.AddGeneralLogging.cs b/src/ST.Client.Desktop/ServiceCollectionExtensions.AddGeneralLogging.cs
new file mode 100644
index 000000000..813e9f686
--- /dev/null
+++ b/src/ST.Client.Desktop/ServiceCollectionExtensions.AddGeneralLogging.cs
@@ -0,0 +1,37 @@
+using Microsoft.Extensions.Logging;
+using System.Application.UI;
+using System.Logging;
+using System.Properties;
+
+// ReSharper disable once CheckNamespace
+namespace Microsoft.Extensions.DependencyInjection
+{
+    public static partial class ServiceCollectionExtensions
+    {
+        /// <summary>
+        /// 添加通用日志实现
+        /// </summary>
+        /// <param name="services"></param>
+        /// <returns></returns>
+        public static IServiceCollection AddGeneralLogging(this IServiceCollection services)
+        {
+            var (minLevel, action) = AppHelper.ConfigureLogging();
+            services.AddLogging(b =>
+            {
+                action(b);
+#if __ANDROID__
+                if (ThisAssembly.Debuggable)
+                {
+                    // Android Logcat Provider Impl
+                    b.AddProvider(PlatformLoggerProvider.Instance);
+                }
+#endif
+            });
+            services.Configure<LoggerFilterOptions>(o =>
+            {
+                o.MinLevel = minLevel;
+            });
+            return services;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ST.Client.Desktop/ServiceCollectionExtensions.cs b/src/ST.Client.Desktop/ServiceCollectionExtensions.cs
index dd34cd016..37883d8e7 100644
--- a/src/ST.Client.Desktop/ServiceCollectionExtensions.cs
+++ b/src/ST.Client.Desktop/ServiceCollectionExtensions.cs
@@ -18,22 +18,6 @@ namespace Microsoft.Extensions.DependencyInjection
         public static IServiceCollection TryAddToast(this IServiceCollection services)
             => PlatformToastImpl.TryAddToast(services);
 
-        /// <summary>
-        /// 添加桌面端日志实现
-        /// </summary>
-        /// <param name="services"></param>
-        /// <returns></returns>
-        public static IServiceCollection AddDesktopLogging(this IServiceCollection services)
-        {
-            var (minLevel, cfg) = AppHelper.Configure();
-            services.AddLogging(cfg);
-            services.Configure<LoggerFilterOptions>(o =>
-            {
-                o.MinLevel = minLevel;
-            });
-            return services;
-        }
-
         /// <summary>
         /// 添加 hosts 文件助手服务
         /// </summary>
diff --git a/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs b/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
index 6843ff8af..1a4cd7fa2 100644
--- a/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
+++ b/src/ST.Client.Desktop/Services/IDesktopPlatformService.cs
@@ -46,11 +46,8 @@ namespace System.Application.Services
         void OpenProcess(string name, string arguments) => Process.Start(name, arguments);
 
         void OpenProcess(string name) => Process.Start(name);
-        /// <summary>
-        /// 使用文本阅读器打开文件
-        /// </summary>
-        /// <param name="filePath"></param>
-        void OpenFileByTextReader(string filePath)
+
+        void IPlatformService.OpenFileByTextReader(string filePath)
         {
             TextReaderProvider? userProvider = null;
             var p = GeneralSettings.TextReaderProvider.Value;
diff --git a/src/ST.Client.Desktop/UI/AppHelper.Logger.cs b/src/ST.Client.Desktop/UI/AppHelper.Logger.cs
new file mode 100644
index 000000000..89a53c869
--- /dev/null
+++ b/src/ST.Client.Desktop/UI/AppHelper.Logger.cs
@@ -0,0 +1,247 @@
+using ArchiSteamFarm;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using NLog.Common;
+using NLog.Config;
+using NLog.Extensions.Logging;
+using NLog.Targets;
+using System.Application.Services;
+using System.IO;
+using System.Properties;
+using LogLevel = Microsoft.Extensions.Logging.LogLevel;
+using NInternalLogger = NLog.Common.InternalLogger;
+using NLogLevel = NLog.LogLevel;
+using NLogManager = NLog.LogManager;
+
+namespace System.Application.UI
+{
+    partial class AppHelper
+    {
+        #region Logger
+
+        const LogLevel DefaultLoggerMinLevel = ThisAssembly.Debuggable ? LogLevel.Debug : LogLevel.Error;
+
+        public static readonly NLogLevel DefaultNLoggerMinLevel = ConvertLogLevel(DefaultLoggerMinLevel);
+
+        /// <summary>
+        /// Convert log level to NLog variant.
+        /// </summary>
+        /// <param name="logLevel">level to be converted.</param>
+        /// <returns></returns>
+        static NLogLevel ConvertLogLevel(LogLevel logLevel) => logLevel switch
+        {
+            // https://github.com/NLog/NLog.Extensions.Logging/blob/v1.7.0/src/NLog.Extensions.Logging/Logging/NLogLogger.cs#L416
+            LogLevel.Trace => NLogLevel.Trace,
+            LogLevel.Debug => NLogLevel.Debug,
+            LogLevel.Information => NLogLevel.Info,
+            LogLevel.Warning => NLogLevel.Warn,
+            LogLevel.Error => NLogLevel.Error,
+            LogLevel.Critical => NLogLevel.Fatal,
+            LogLevel.None => NLogLevel.Off,
+            _ => NLogLevel.Debug,
+        };
+
+        static void SetNLoggerMinLevel(LogLevel logLevel) => SetNLoggerMinLevel(ConvertLogLevel(logLevel));
+
+        static void SetNLoggerMinLevel(NLogLevel logLevel)
+        {
+            NLogManager.GlobalThreshold = logLevel;
+            NInternalLogger.LogLevel = logLevel;
+        }
+
+        public static void TrySetLoggerMinLevel(LogLevel logLevel)
+        {
+            try
+            {
+                var o = LoggerFilterOptions;
+                if (o != null) o.MinLevel = logLevel;
+            }
+            catch
+            {
+            }
+            SetNLoggerMinLevel(ConvertLogLevel(logLevel));
+        }
+
+        static LoggerFilterOptions? _LoggerFilterOptions;
+        /// <summary>
+        /// 日志过滤选项
+        /// </summary>
+        static LoggerFilterOptions? LoggerFilterOptions
+        {
+            get
+            {
+                if (_LoggerFilterOptions != null) return _LoggerFilterOptions;
+                return DI.Get_Nullable<IOptions<LoggerFilterOptions>>()?.Value;
+            }
+            set
+            {
+                _LoggerFilterOptions = value;
+            }
+        }
+
+        /// <summary>
+        /// 配置 NLog 提供程序，仅初始化时调用
+        /// </summary>
+        /// <returns></returns>
+        public static (LogLevel minLevel, Action<ILoggingBuilder> cfg) ConfigureLogging()
+        {
+            var minLevel = DefaultLoggerMinLevel;
+
+            void _(ILoggingBuilder builder)
+            {
+                builder.ClearProviders();
+
+                builder.SetMinimumLevel(minLevel);
+                SetNLoggerMinLevel(minLevel);
+
+                // 可以多个日志提供同时用，比如还可以在 Win 平台再添加一个 Windows 事件日志
+
+                builder.AddNLog(NLogManager.Configuration); // 添加 NLog 日志
+            }
+
+            return (minLevel, (Action<ILoggingBuilder>)_);
+        }
+
+        /// <summary>
+        /// 日志最低等级
+        /// </summary>
+        public static LogLevel LoggerMinLevel
+        {
+            get
+            {
+                var o = LoggerFilterOptions;
+                if (o == null)
+                {
+                    o = new();
+                    LoggerFilterOptions = o;
+                }
+                return o.MinLevel;
+            }
+            set
+            {
+                var o = LoggerFilterOptions;
+                if (o != null)
+                {
+                    o.MinLevel = value;
+                }
+                SetNLoggerMinLevel(value);
+            }
+        }
+
+        /// <summary>
+        /// 启用日志
+        /// </summary>
+        public static bool EnableLogger
+        {
+            get => LoggerMinLevel > LogLevel.None;
+            set
+            {
+                LoggerMinLevel = value ? DefaultLoggerMinLevel : LogLevel.None;
+            }
+        }
+
+        #endregion
+
+        /// <summary>
+        /// 日志存放文件夹路径
+        /// </summary>
+        public static string LogDirPath { get; private set; } = string.Empty;
+
+        /// <summary>
+        /// 日志文件夹是否存放在缓存文件夹中，通常日志文件夹将存放在基目录上，因某些平台基目录为只读，则只能放在缓存文件夹中
+        /// </summary>
+        public static bool LogUnderCache { get; private set; }
+
+        public const string LogDirName = "Logs";
+
+        public static void InitLogDir(string? alias = null) 
+        {
+            if (!string.IsNullOrEmpty(LogDirPath)) return;
+
+            LogUnderCache =
+
+#if WINDOWS_DESKTOP_BRIDGE || MAC || __MOBILE__
+                true
+#else
+                false
+#endif
+                ;
+
+            var logDirPath = Path.Combine(LogUnderCache ?
+                IOPath.CacheDirectory :
+                IOPath.BaseDirectory,
+                LogDirName);
+            IOPath.DirCreateByNotExists(logDirPath);
+#if StartupTrace
+            StartupTrace.Restart("InitLogDir.IO");
+#endif
+            var logDirPath_ = logDirPath + Path.DirectorySeparatorChar;
+
+            InternalLogger.LogFile = logDirPath_ + "internal-nlog" + alias + ".txt";
+            InternalLogger.LogLevel = NLogLevel.Error;
+            var objConfig = new LoggingConfiguration();
+            var defMinLevel = AppHelper.DefaultNLoggerMinLevel;
+            var logfile = new FileTarget("logfile")
+            {
+                FileName = logDirPath_ + "nlog-all-${shortdate}" + alias + ".log",
+                Layout = "${longdate}|${level}|${logger}|${message} |${all-event-properties} ${exception:format=tostring}",
+                ArchiveAboveSize = 10485760,
+                MaxArchiveFiles = 14,
+                MaxArchiveDays = 7,
+            };
+            var asfLogDirPath = ASFPathHelper.GetLogDirectory(logDirPath_);
+            FileTarget logfile_asf = new("File")
+            {
+                ArchiveFileName = ASFPathHelper.GetNLogArchiveFileName(asfLogDirPath),
+                ArchiveNumbering = ArchiveNumberingMode.Rolling,
+                ArchiveOldFileOnStartup = true,
+                CleanupFileName = false,
+                ConcurrentWrites = false,
+                DeleteOldFileOnStartup = true,
+                FileName = ASFPathHelper.GetNLogFileName(asfLogDirPath),
+                Layout = ASFPathHelper.NLogGeneralLayout,
+                ArchiveAboveSize = 10485760,
+                MaxArchiveFiles = 10,
+                MaxArchiveDays = 7,
+            };
+            objConfig.AddTarget(logfile);
+            objConfig.AddTarget(logfile_asf);
+
+            objConfig.AddRule(NLogLevel.Error, NLogLevel.Fatal, logfile, "Microsoft.*");
+            objConfig.AddRule(NLogLevel.Error, NLogLevel.Fatal, logfile, "System.Net.Http.*");
+            objConfig.LoggingRules.Add(new LoggingRule("ArchiSteamFarm*", NLogLevel.Off, logfile) { Final = true, });
+            objConfig.AddRule(defMinLevel, NLogLevel.Fatal, logfile, "*");
+            objConfig.LoggingRules.Add(new LoggingRule("ArchiSteamFarm*", defMinLevel, logfile_asf));
+#if StartupTrace
+            StartupTrace.Restart("InitLogDir.CreateLoggingConfiguration");
+#endif
+            NLog.LogManager.Configuration = objConfig;
+
+            IArchiSteamFarmService.InitCoreLoggers = () =>
+            {
+                if (ArchiSteamFarm.LogManager.Configuration != null) return;
+                LoggingConfiguration config = new();
+                var logDirPath_ASF = ASFPathHelper.GetLogDirectory(logDirPath_);
+                FileTarget fileTarget = new("File")
+                {
+                    ArchiveFileName = ASFPathHelper.GetNLogArchiveFileName(logDirPath_ASF),
+                    ArchiveNumbering = ArchiveNumberingMode.Rolling,
+                    ArchiveOldFileOnStartup = true,
+                    CleanupFileName = false,
+                    ConcurrentWrites = false,
+                    DeleteOldFileOnStartup = true,
+                    FileName = ASFPathHelper.GetNLogFileName(logDirPath_ASF),
+                    Layout = ASFPathHelper.NLogGeneralLayout,
+                    ArchiveAboveSize = 10485760,
+                    MaxArchiveFiles = 10,
+                    MaxArchiveDays = 7,
+                };
+                config.AddTarget(fileTarget);
+                config.LoggingRules.Add(new LoggingRule("*", defMinLevel, fileTarget));
+                ArchiSteamFarm.LogManager.Configuration = config;
+            };
+
+            LogDirPath = logDirPath;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ST.Client.Desktop/UI/AppHelper.cs b/src/ST.Client.Desktop/UI/AppHelper.cs
index adaa3a25e..6f02ed996 100644
--- a/src/ST.Client.Desktop/UI/AppHelper.cs
+++ b/src/ST.Client.Desktop/UI/AppHelper.cs
@@ -1,18 +1,11 @@
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Options;
-using NLog.Extensions.Logging;
 using System.Application.Services;
 using System.Diagnostics;
 using System.IO;
 using System.Properties;
-using LogLevel = Microsoft.Extensions.Logging.LogLevel;
-using NInternalLogger = NLog.Common.InternalLogger;
-using NLogLevel = NLog.LogLevel;
-using NLogManager = NLog.LogManager;
 
 namespace System.Application.UI
 {
-    public static class AppHelper
+    public static partial class AppHelper
     {
         public static bool EnableDevtools { get; set; } = ThisAssembly.Debuggable;
 
@@ -63,127 +56,6 @@ namespace System.Application.UI
             s.SetBootAutoStart(isAutoStart, Constants.HARDCODED_APP_NAME);
         }
 
-        #region Logger
-
-        const LogLevel DefaultLoggerMinLevel = ThisAssembly.Debuggable ? LogLevel.Debug : LogLevel.Error;
-
-        public static readonly NLogLevel DefaultNLoggerMinLevel = ConvertLogLevel(DefaultLoggerMinLevel);
-
-        /// <summary>
-        /// Convert log level to NLog variant.
-        /// </summary>
-        /// <param name="logLevel">level to be converted.</param>
-        /// <returns></returns>
-        static NLogLevel ConvertLogLevel(LogLevel logLevel) => logLevel switch
-        {
-            // https://github.com/NLog/NLog.Extensions.Logging/blob/v1.7.0/src/NLog.Extensions.Logging/Logging/NLogLogger.cs#L416
-            LogLevel.Trace => NLogLevel.Trace,
-            LogLevel.Debug => NLogLevel.Debug,
-            LogLevel.Information => NLogLevel.Info,
-            LogLevel.Warning => NLogLevel.Warn,
-            LogLevel.Error => NLogLevel.Error,
-            LogLevel.Critical => NLogLevel.Fatal,
-            LogLevel.None => NLogLevel.Off,
-            _ => NLogLevel.Debug,
-        };
-
-        static void SetNLoggerMinLevel(LogLevel logLevel) => SetNLoggerMinLevel(ConvertLogLevel(logLevel));
-
-        static void SetNLoggerMinLevel(NLogLevel logLevel)
-        {
-            NLogManager.GlobalThreshold = logLevel;
-            NInternalLogger.LogLevel = logLevel;
-        }
-
-        public static void TrySetLoggerMinLevel(LogLevel logLevel)
-        {
-            try
-            {
-                var o = LoggerFilterOptions;
-                if (o != null) o.MinLevel = logLevel;
-            }
-            catch
-            {
-            }
-            SetNLoggerMinLevel(ConvertLogLevel(logLevel));
-        }
-
-        static LoggerFilterOptions? _LoggerFilterOptions;
-        /// <summary>
-        /// 日志过滤选项
-        /// </summary>
-        static LoggerFilterOptions? LoggerFilterOptions
-        {
-            get
-            {
-                if (_LoggerFilterOptions != null) return _LoggerFilterOptions;
-                return DI.Get_Nullable<IOptions<LoggerFilterOptions>>()?.Value;
-            }
-            set
-            {
-                _LoggerFilterOptions = value;
-            }
-        }
-
-        internal static (LogLevel minLevel, Action<ILoggingBuilder> cfg) Configure()
-        {
-            var minLevel = DefaultLoggerMinLevel;
-
-            void _(ILoggingBuilder builder)
-            {
-                builder.ClearProviders();
-
-                builder.SetMinimumLevel(minLevel);
-                SetNLoggerMinLevel(minLevel);
-
-                // 可以多个日志提供同时用，比如还可以在 Win 平台再添加一个 Windows 事件日志
-
-                builder.AddNLog(NLogManager.Configuration); // 添加 NLog 日志
-            }
-
-            return (minLevel, (Action<ILoggingBuilder>)_);
-        }
-
-        /// <summary>
-        /// 日志最低等级
-        /// </summary>
-        public static LogLevel LoggerMinLevel
-        {
-            get
-            {
-                var o = LoggerFilterOptions;
-                if (o == null)
-                {
-                    o = new();
-                    LoggerFilterOptions = o;
-                }
-                return o.MinLevel;
-            }
-            set
-            {
-                var o = LoggerFilterOptions;
-                if (o != null)
-                {
-                    o.MinLevel = value;
-                }
-                SetNLoggerMinLevel(value);
-            }
-        }
-
-        /// <summary>
-        /// 启用日志
-        /// </summary>
-        public static bool EnableLogger
-        {
-            get => LoggerMinLevel > LogLevel.None;
-            set
-            {
-                LoggerMinLevel = value ? DefaultLoggerMinLevel : LogLevel.None;
-            }
-        }
-
-        #endregion
-
         public static IDesktopAppService Current => DI.Get<IDesktopAppService>();
 
 #if DEBUG
diff --git a/src/ST.Client.Desktop.Avalonia.App/ApplicationInstance.cs b/src/ST.Client.Desktop/UI/ApplicationInstance.cs
similarity index 100%
rename from src/ST.Client.Desktop.Avalonia.App/ApplicationInstance.cs
rename to src/ST.Client.Desktop/UI/ApplicationInstance.cs
diff --git a/src/ST.Client.Desktop/UI/Resx/AppResources.Designer.cs b/src/ST.Client.Desktop/UI/Resx/AppResources.Designer.cs
index cc09df07a..43bb095f3 100644
--- a/src/ST.Client.Desktop/UI/Resx/AppResources.Designer.cs
+++ b/src/ST.Client.Desktop/UI/Resx/AppResources.Designer.cs
@@ -458,6 +458,15 @@ namespace System.Application.UI.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 浏览基目录 的本地化字符串。
+        /// </summary>
+        public static string BrowseBaseDirectory {
+            get {
+                return ResourceManager.GetString("BrowseBaseDirectory", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 完成 的本地化字符串。
         /// </summary>
diff --git a/src/ST.Client.Desktop/UI/Resx/AppResources.resx b/src/ST.Client.Desktop/UI/Resx/AppResources.resx
index 77505a9d7..190075b2f 100644
--- a/src/ST.Client.Desktop/UI/Resx/AppResources.resx
+++ b/src/ST.Client.Desktop/UI/Resx/AppResources.resx
@@ -1499,4 +1499,7 @@
   <data name="Settings_General_AppNotificationSettings" xml:space="preserve">
     <value>应用通知(系统设置)</value>
   </data>
-</root>
+  <data name="BrowseBaseDirectory" xml:space="preserve">
+    <value>浏览基目录</value>
+  </data>
+</root>
\ No newline at end of file
diff --git a/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs b/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
index a21c91c0f..e4b51d13e 100644
--- a/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
+++ b/src/ST.Client.Desktop/UI/ViewModels/Pages/ProxyScriptManagePageViewModel.cs
@@ -175,22 +175,21 @@ namespace System.Application.UI.ViewModels
 
         public void EditScriptItemButton(ScriptDTO script)
         {
-
             var url = Path.Combine(IOPath.AppDataDirectory, script.FilePath);
             var fileInfo = new FileInfo(url);
             if (fileInfo.Exists)
             {
-                DI.Get<IDesktopPlatformService>().OpenFileByTextReader(url);
+                IPlatformService.Instance.OpenFileByTextReader(url);
                 var result = MessageBoxCompat.ShowAsync(@AppResources.Script_EditTxt, ThisAssembly.AssemblyTrademark, MessageBoxButtonCompat.OKCancel).ContinueWith(async (s) =>
                 {
                     if (s.Result == MessageBoxResultCompat.OK)
                     {
-                        var item = await DI.Get<IScriptManagerService>().AddScriptAsync(url, script, build: script.IsBuild, order: script.Order, ignoreCache: true);
-                        if (item.state)
+                        var (state, model, msg) = await DI.Get<IScriptManagerService>().AddScriptAsync(url, script, build: script.IsBuild, order: script.Order, ignoreCache: true);
+                        if (state)
                         {
-                            if (ProxyService.Current.ProxyScripts.Items.Any() && item.model != null)
+                            if (ProxyService.Current.ProxyScripts.Items.Any() && model != null)
                             {
-                                ProxyService.Current.ProxyScripts.Replace(script, item.model);
+                                ProxyService.Current.ProxyScripts.Replace(script, model);
                                 Toast.Show(AppResources.Success_.Format(AppResources.Script_Edit));
                             }
                         }
@@ -241,7 +240,7 @@ namespace System.Application.UI.ViewModels
                 var result = await MessageBoxCompat.ShowAsync(@AppResources.ScriptShop_NoLogin, ThisAssembly.AssemblyTrademark, MessageBoxButtonCompat.OKCancel);
                 if (result == MessageBoxResultCompat.OK)
                 {
-                 await   IShowWindowService.Instance.Show(CustomWindow.LoginOrRegister, new LoginOrRegisterWindowViewModel(), string.Empty, ResizeModeCompat.CanResize);
+                    await IShowWindowService.Instance.Show(CustomWindow.LoginOrRegister, new LoginOrRegisterWindowViewModel(), string.Empty, ResizeModeCompat.CanResize);
                 }
             }
             else
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-hdpi/baseline_folder_black_24.png b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-hdpi/baseline_folder_black_24.png
new file mode 100644
index 000000000..c86c7dbe2
Binary files /dev/null and b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-hdpi/baseline_folder_black_24.png differ
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-mdpi/baseline_folder_black_24.png b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-mdpi/baseline_folder_black_24.png
new file mode 100644
index 000000000..067f0ea22
Binary files /dev/null and b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-mdpi/baseline_folder_black_24.png differ
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xhdpi/baseline_folder_black_24.png b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xhdpi/baseline_folder_black_24.png
new file mode 100644
index 000000000..863560d3d
Binary files /dev/null and b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xhdpi/baseline_folder_black_24.png differ
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxhdpi/baseline_folder_black_24.png b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxhdpi/baseline_folder_black_24.png
new file mode 100644
index 000000000..9c3ad1eb9
Binary files /dev/null and b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxhdpi/baseline_folder_black_24.png differ
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxxhdpi/baseline_folder_black_24.png b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxxhdpi/baseline_folder_black_24.png
new file mode 100644
index 000000000..2a7c64f56
Binary files /dev/null and b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable-xxxhdpi/baseline_folder_black_24.png differ
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable/baseline_folder_black_24.xml b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable/baseline_folder_black_24.xml
new file mode 100644
index 000000000..dc6b08023
--- /dev/null
+++ b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/drawable/baseline_folder_black_24.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M10,4H4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V8c0,-1.1 -0.9,-2 -2,-2h-8l-2,-2z"/>
+</vector>
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_explorer.xml b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_explorer.xml
new file mode 100644
index 000000000..c1f03c3a7
--- /dev/null
+++ b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_explorer.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:xamarin="http://schemas.xamarin.com/android/xamarin/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <include layout="@layout/shared_toolbar" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rvExplorer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:overScrollMode="never"
+        tools:itemCount="3"
+        tools:listitem="@layout/layout_file_or_dir"
+        xamarin:managedType="AndroidX.RecyclerView.Widget.RecyclerView" />
+</LinearLayout>
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_steam_auth_trade.xml b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_steam_auth_trade.xml
index 71d983b03..b78b95d71 100644
--- a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_steam_auth_trade.xml
+++ b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/activity_steam_auth_trade.xml
@@ -59,7 +59,6 @@
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:overScrollMode="never"
-                        android:paddingBottom="@dimen/fab_full_height"
                         tools:itemCount="4"
                         tools:listitem="@layout/layout_card_steam_auth_trade_confirmation"
                         xamarin:managedType="AndroidX.RecyclerView.Widget.RecyclerView" />
diff --git a/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/layout_file_or_dir.xml b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/layout_file_or_dir.xml
new file mode 100644
index 000000000..fe8f6d729
--- /dev/null
+++ b/src/ST.Client.Mobile.Droid.Design/ui/src/main/res/layout/layout_file_or_dir.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:xamarin="http://schemas.xamarin.com/android/xamarin/tools"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/preference_button_height_large"
+    android:background="?android:windowBackground"
+    android:clickable="true"
+    android:focusable="true"
+    android:foreground="?android:attr/selectableItemBackground">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <androidx.appcompat.widget.AppCompatImageView
+            android:id="@+id/ivIcon"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_marginStart="@dimen/activity_horizontal_margin"
+            android:layout_marginEnd="@dimen/activity_horizontal_margin"
+            app:tint="@color/icon_background"
+            tools:src="@drawable/baseline_folder_black_24"
+            xamarin:managedType="AndroidX.AppCompat.Widget.AppCompatImageView" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center_vertical"
+            android:orientation="vertical">
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/tvName"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:maxLines="1"
+                android:textColor="@color/text_primary"
+                android:textSize="@dimen/preference_button_font_size"
+                tools:text="AppData"
+                xamarin:managedType="AndroidX.AppCompat.Widget.AppCompatTextView" />
+
+            <androidx.appcompat.widget.AppCompatTextView
+                android:id="@+id/tvDesc"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textColor="@color/text_secondary"
+                tools:text="Count: 3 | 20xx-xx-xx xx:xx:xx"
+                xamarin:managedType="AndroidX.AppCompat.Widget.AppCompatTextView" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>
diff --git a/src/ST.Client.Mobile.Droid/GoToPlatformPages.cs b/src/ST.Client.Mobile.Droid/GoToPlatformPages.cs
index 060bfa334..bff7aa483 100644
--- a/src/ST.Client.Mobile.Droid/GoToPlatformPages.cs
+++ b/src/ST.Client.Mobile.Droid/GoToPlatformPages.cs
@@ -2,8 +2,8 @@ using Android.App;
 using Android.Content;
 using Android.OS;
 using AndroidX.Core.Content;
+using AndroidUri = Android.Net.Uri;
 using Fragment = AndroidX.Fragment.App.Fragment;
-using AUri = Android.Net.Uri;
 using JFile = Java.IO.File;
 using Settings = Android.Provider.Settings;
 
@@ -138,25 +138,27 @@ namespace System.Application
             StartActivity<TActivity, TViewModel>(activity, viewModel);
         }
 
-        public static void InstallApk(Context context, JFile apkFile)
+        public static void OpenFile(Context context, JFile apkFile, string mime)
         {
             var sdkInt = (int)Build.VERSION.SdkInt;
             var intent = new Intent(Intent.ActionView);
-            AUri apkUri;
-            if (sdkInt >= (int)BuildVersionCodes.N) // 7.0开始要用新的API！
+            AndroidUri apkUri;
+            if (sdkInt >= (int)BuildVersionCodes.N) // 7.0 FileProvider
             {
                 apkUri = FileProvider.GetUriForFile(context, GetAuthority(context), apkFile);
                 intent.AddFlags(ActivityFlags.GrantReadUriPermission); // FLAG_GRANT_READ_URI_PERMISSION 添加这一句表示对目标应用临时授权该Uri所代表的文件
             }
             else
             {
-                apkUri = AUri.FromFile(apkFile)!;
+                apkUri = AndroidUri.FromFile(apkFile)!;
             }
-            intent.SetDataAndType(apkUri, MediaTypeNames.APK);
+            intent.SetDataAndType(apkUri, mime);
             intent.AddFlags(ActivityFlags.NewTask);
             context.StartActivity(intent);
         }
 
+        public static void InstallApk(Context context, JFile apkFile) => OpenFile(context, apkFile, MediaTypeNames.APK);
+
         public static void InstallApk(Context context, string apkFilePath)
         {
             JFile apkFile = new(apkFilePath);
@@ -194,7 +196,7 @@ namespace System.Application
             {
                 intent.SetAction(Settings.ActionApplicationDetailsSettings);
                 intent.AddCategory(Intent.CategoryDefault);
-                intent.SetData(AUri.FromParts("package", context.PackageName, null));
+                intent.SetData(AndroidUri.FromParts("package", context.PackageName, null));
             }
             else if (sdkInt <= 8)
             {
diff --git a/src/ST.Client.Mobile.Droid/ST.Client.Mobile.Droid.csproj b/src/ST.Client.Mobile.Droid/ST.Client.Mobile.Droid.csproj
index b75a561fb..5c538c3b9 100644
--- a/src/ST.Client.Mobile.Droid/ST.Client.Mobile.Droid.csproj
+++ b/src/ST.Client.Mobile.Droid/ST.Client.Mobile.Droid.csproj
@@ -54,6 +54,9 @@
     <Compile Include="..\Common.ClientLib.Droid\ServiceCollectionExtensions.cs">
       <Link>ServiceCollectionExtensions.Link.cs</Link>
     </Compile>
+    <Compile Include="..\Common.ClientLib.Droid\Extensions\UriExtensions.cs">
+      <LinkBase>Extensions</LinkBase>
+    </Compile>
     <Compile Include="..\Common.ClientLib.Droid\Extensions\MenuExtensions.cs">
       <LinkBase>Extensions</LinkBase>
     </Compile>
@@ -102,6 +105,7 @@
     <Compile Include="..\ST.Client.Desktop.Avalonia\ServiceCollectionExtensions.AddShowWindowService.cs" />
     <Compile Include="..\TencentOpenApiSDK.cs" />
     <Compile Include="UI\Views.Controls\NoSpaceTextView.cs" />
+    <Compile Include="..\ST.Client.Desktop\ServiceCollectionExtensions.AddGeneralLogging.cs" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(Configuration)'=='Debug'">
@@ -238,6 +242,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable\baseline_female_black_24.xml">
       <Link>Resources\drawable\baseline_female_black_24.xml</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable\baseline_folder_black_24.xml">
+      <Link>Resources\drawable\baseline_folder_black_24.xml</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable\baseline_info_black_24.xml">
       <Link>Resources\drawable\baseline_info_black_24.xml</Link>
     </AndroidResource>
@@ -373,6 +380,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-hdpi\baseline_female_black_24.png">
       <Link>Resources\drawable-hdpi\baseline_female_black_24.png</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-hdpi\baseline_folder_black_24.png">
+      <Link>Resources\drawable-hdpi\baseline_folder_black_24.png</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-hdpi\baseline_info_black_24.png">
       <Link>Resources\drawable-hdpi\baseline_info_black_24.png</Link>
     </AndroidResource>
@@ -478,6 +488,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-mdpi\baseline_female_black_24.png">
       <Link>Resources\drawable-mdpi\baseline_female_black_24.png</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-mdpi\baseline_folder_black_24.png">
+      <Link>Resources\drawable-mdpi\baseline_folder_black_24.png</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-mdpi\baseline_info_black_24.png">
       <Link>Resources\drawable-mdpi\baseline_info_black_24.png</Link>
     </AndroidResource>
@@ -583,6 +596,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xhdpi\baseline_female_black_24.png">
       <Link>Resources\drawable-xhdpi\baseline_female_black_24.png</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xhdpi\baseline_folder_black_24.png">
+      <Link>Resources\drawable-xhdpi\baseline_folder_black_24.png</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xhdpi\baseline_info_black_24.png">
       <Link>Resources\drawable-xhdpi\baseline_info_black_24.png</Link>
     </AndroidResource>
@@ -688,6 +704,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxhdpi\baseline_female_black_24.png">
       <Link>Resources\drawable-xxhdpi\baseline_female_black_24.png</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxhdpi\baseline_folder_black_24.png">
+      <Link>Resources\drawable-xxhdpi\baseline_folder_black_24.png</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxhdpi\baseline_info_black_24.png">
       <Link>Resources\drawable-xxhdpi\baseline_info_black_24.png</Link>
     </AndroidResource>
@@ -799,6 +818,9 @@
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxxhdpi\baseline_female_black_24.png">
       <Link>Resources\drawable-xxxhdpi\baseline_female_black_24.png</Link>
     </AndroidResource>
+    <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxxhdpi\baseline_folder_black_24.png">
+      <Link>Resources\drawable-xxxhdpi\baseline_folder_black_24.png</Link>
+    </AndroidResource>
     <AndroidResource Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\drawable-xxxhdpi\baseline_info_black_24.png">
       <Link>Resources\drawable-xxxhdpi\baseline_info_black_24.png</Link>
     </AndroidResource>
@@ -871,6 +893,9 @@
     <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\activity_encryption_auth.xml">
       <Link>Resources\layout\activity_encryption_auth.xml</Link>
     </AndroidBoundLayout>
+    <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\activity_explorer.xml">
+      <Link>Resources\layout\activity_explorer.xml</Link>
+    </AndroidBoundLayout>
     <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\activity_export_auth.xml">
       <Link>Resources\layout\activity_export_auth.xml</Link>
     </AndroidBoundLayout>
@@ -955,6 +980,9 @@
     <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\layout_card_steam_auth_trade_confirmation_content.xml">
       <Link>Resources\layout\layout_card_steam_auth_trade_confirmation_content.xml</Link>
     </AndroidBoundLayout>
+    <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\layout_file_or_dir.xml">
+      <Link>Resources\layout\layout_file_or_dir.xml</Link>
+    </AndroidBoundLayout>
     <AndroidBoundLayout Include="..\ST.Client.Mobile.Droid.Design\ui\src\main\res\layout\layout_login_and_register_by_fast_channel.xml">
       <Link>Resources\layout\layout_login_and_register_by_fast_channel.xml</Link>
     </AndroidBoundLayout>
@@ -1079,3 +1107,5 @@
 
 
 
+
+
diff --git a/src/ST.Client.Mobile.Droid/Services/Implementation/MobilePlatformServiceImpl.cs b/src/ST.Client.Mobile.Droid/Services/Implementation/MobilePlatformServiceImpl.cs
index 63c8e9cd1..bff94bb2e 100644
--- a/src/ST.Client.Mobile.Droid/Services/Implementation/MobilePlatformServiceImpl.cs
+++ b/src/ST.Client.Mobile.Droid/Services/Implementation/MobilePlatformServiceImpl.cs
@@ -5,5 +5,11 @@ namespace System.Application.Services.Implementation
     internal sealed class MobilePlatformServiceImpl : IMobilePlatformService
     {
         public object CurrentPlatformUIHost => XEPlatform.CurrentActivity;
+
+        void IPlatformService.OpenFileByTextReader(string filePath)
+            => GoToPlatformPages.OpenFile(
+                XEPlatform.CurrentActivity,
+                new(filePath),
+                MediaTypeNames.TXT);
     }
 }
\ No newline at end of file
diff --git a/src/ST.Client.Mobile.Droid/UI/Activities/AboutActivity.cs b/src/ST.Client.Mobile.Droid/UI/Activities/AboutActivity.cs
index 0a8f67af3..1ef90ab4a 100644
--- a/src/ST.Client.Mobile.Droid/UI/Activities/AboutActivity.cs
+++ b/src/ST.Client.Mobile.Droid/UI/Activities/AboutActivity.cs
@@ -127,6 +127,9 @@ namespace System.Application.UI.Activities
                             FontSizeResId = Resource.Dimension.translators_font_size,
                         });
                         break;
+                    case PreferenceButton.浏览基目录:
+                        this.StartActivity<ExplorerActivity>();
+                        break;
                 }
             };
             var layout = new LinearLayoutManager(this, LinearLayoutManager.Vertical, false);
diff --git a/src/ST.Client.Mobile.Droid/UI/Activities/ExplorerActivity.cs b/src/ST.Client.Mobile.Droid/UI/Activities/ExplorerActivity.cs
new file mode 100644
index 000000000..ca925c885
--- /dev/null
+++ b/src/ST.Client.Mobile.Droid/UI/Activities/ExplorerActivity.cs
@@ -0,0 +1,45 @@
+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+using Android.Runtime;
+using AndroidX.RecyclerView.Widget;
+using Binding;
+using ReactiveUI;
+using System.Application.UI.Adapters;
+using System.Application.UI.ViewModels;
+
+namespace System.Application.UI.Activities
+{
+    [Register(JavaPackageConstants.Activities + nameof(ExplorerActivity))]
+    [Activity(Theme = ManifestConstants.MainTheme_NoActionBar,
+        LaunchMode = LaunchMode.SingleTask,
+        ConfigurationChanges = ManifestConstants.ConfigurationChanges)]
+    internal sealed class ExplorerActivity : BaseActivity<activity_explorer, ExplorerViewModel>
+    {
+        protected override int? LayoutResource => Resource.Layout.activity_explorer;
+
+        protected override void OnCreate(Bundle? savedInstanceState)
+        {
+            base.OnCreate(savedInstanceState);
+
+            this.SetSupportActionBarWithNavigationClick(binding!.toolbar, true);
+
+            ViewModel!.WhenAnyValue(x => x.Title).SubscribeInMainThread(value =>
+            {
+                Title = value;
+            }).AddTo(this);
+
+            var adapter = new ExplorerAdapter(ViewModel!);
+            adapter.ItemClick += (_, e) => ViewModel!.OnItemClick(e.Current);
+            var layout = new LinearLayoutManager(this, LinearLayoutManager.Vertical, false);
+            binding.rvExplorer.SetLayoutManager(layout);
+            binding.rvExplorer.SetAdapter(adapter);
+        }
+
+        public override void OnBackPressed()
+        {
+            if (ViewModel!.OnBack()) return;
+            base.OnBackPressed();
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ST.Client.Mobile.Droid/UI/Activities/TextBlockActivity.cs b/src/ST.Client.Mobile.Droid/UI/Activities/TextBlockActivity.cs
index 83f54033f..51e93a271 100644
--- a/src/ST.Client.Mobile.Droid/UI/Activities/TextBlockActivity.cs
+++ b/src/ST.Client.Mobile.Droid/UI/Activities/TextBlockActivity.cs
@@ -3,9 +3,12 @@ using Android.Content.PM;
 using Android.OS;
 using Android.Runtime;
 using Android.Util;
+using AndroidX.Core.Net;
 using Binding;
 using System.Application.Models;
 using System.Application.UI.ViewModels;
+using System.IO;
+using static Android.Content.Intent;
 
 namespace System.Application.UI.Activities
 {
@@ -13,6 +16,7 @@ namespace System.Application.UI.Activities
     [Activity(Theme = ManifestConstants.MainTheme_NoActionBar,
       LaunchMode = LaunchMode.SingleTask,
       ConfigurationChanges = ManifestConstants.ConfigurationChanges)]
+    [IntentFilter(new[] { ActionView }, Categories = new[] { CategoryDefault }, DataMimeType = MediaTypeNames.TXT)]
     internal sealed class TextBlockActivity : BaseActivity<activity_textblock>
     {
         protected override int? LayoutResource => Resource.Layout.activity_textblock;
@@ -22,6 +26,27 @@ namespace System.Application.UI.Activities
             base.OnCreate(savedInstanceState);
 
             var vm = this.GetViewModel<TextBlockViewModel>();
+            if (vm == null)
+            {
+                if (Intent?.Action == ActionView && Intent.Data != null)
+                {
+                    try
+                    {
+                        var filePath = Intent.Data.EnsurePhysicalPath();
+                        var fileContent = File.ReadAllText(filePath);
+                        vm = new TextBlockViewModel
+                        {
+                            Title = Path.GetFileName(filePath),
+                            Content = fileContent,
+                        };
+                    }
+                    catch (Exception e)
+                    {
+                        Log.Error(nameof(TextBlockActivity), nameof(OnCreate), e);
+                    }
+                }
+            }
+
             if (vm == null)
             {
                 Finish();
diff --git a/src/ST.Client.Mobile.Droid/UI/Adapters/ExplorerAdapter.cs b/src/ST.Client.Mobile.Droid/UI/Adapters/ExplorerAdapter.cs
new file mode 100644
index 000000000..6c25d9e28
--- /dev/null
+++ b/src/ST.Client.Mobile.Droid/UI/Adapters/ExplorerAdapter.cs
@@ -0,0 +1,42 @@
+using Android.Views;
+using Binding;
+using System.Application.UI.ViewModels;
+using TViewHolder = System.Application.UI.Adapters.ExplorerViewHolder;
+using TViewModel = System.Application.UI.ViewModels.ExplorerViewModel.PathInfoViewModel;
+
+namespace System.Application.UI.Adapters
+{
+    internal sealed class ExplorerAdapter : BaseReactiveRecycleViewAdapter<TViewHolder, TViewModel>
+    {
+        public ExplorerAdapter(ExplorerViewModel viewModel) : base(viewModel.PathInfos)
+        {
+        }
+
+        public override int? GetLayoutResource(int viewType)
+        {
+            return Resource.Layout.layout_file_or_dir;
+        }
+    }
+
+    internal sealed class ExplorerViewHolder : BaseReactiveViewHolder<TViewModel>
+    {
+        readonly layout_file_or_dir binding;
+
+        public ExplorerViewHolder(View itemView) : base(itemView)
+        {
+            binding = new(itemView);
+        }
+
+        public override void OnBind()
+        {
+            base.OnBind();
+
+            binding.ivIcon.SetImageResource(
+                ViewModel!.IsDirectory ?
+                Resource.Drawable.baseline_folder_black_24 :
+                Resource.Drawable.baseline_description_black_24);
+            binding.tvName.Text = ViewModel.Name;
+            binding.tvDesc.Text = ViewModel.Desc;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ST.Client.Mobile.Droid/UI/MainApplication.cs b/src/ST.Client.Mobile.Droid/UI/MainApplication.cs
index 053e8e134..a05ecbb59 100644
--- a/src/ST.Client.Mobile.Droid/UI/MainApplication.cs
+++ b/src/ST.Client.Mobile.Droid/UI/MainApplication.cs
@@ -58,6 +58,8 @@ namespace System.Application.UI
 #endif
             var stopwatch = Stopwatch.StartNew();
 
+            AppHelper.InitLogDir();
+
             VisualStudioAppCenterSDK.Init();
 
             XEFileProvider.TemporaryLocation = FileProviderLocation.Internal;
diff --git a/src/ST.Client.Mobile/ST.Client.Mobile.csproj b/src/ST.Client.Mobile/ST.Client.Mobile.csproj
index d763b9213..fca5ad14c 100644
--- a/src/ST.Client.Mobile/ST.Client.Mobile.csproj
+++ b/src/ST.Client.Mobile/ST.Client.Mobile.csproj
@@ -69,6 +69,9 @@
     <!--<Compile Include="..\ST.Client.Desktop.Avalonia\Application\Converters\StringFormatConverter.cs">
       <LinkBase>Converters</LinkBase>
     </Compile>-->
+    <Compile Include="..\ST.Client.Desktop\UI\AppHelper.Logger.cs">
+      <LinkBase>UI</LinkBase>
+    </Compile>
     <Compile Include="..\ST.Client.Desktop\Services\IFontManager.cs">
       <LinkBase>Services</LinkBase>
     </Compile>
diff --git a/src/ST.Client.Mobile/UI/AppHelper.cs b/src/ST.Client.Mobile/UI/AppHelper.cs
new file mode 100644
index 000000000..1e749ea20
--- /dev/null
+++ b/src/ST.Client.Mobile/UI/AppHelper.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace System.Application.UI
+{
+    public static partial class AppHelper
+    {
+
+    }
+}
diff --git a/src/ST.Client.Mobile/UI/ViewModels/ExplorerViewModel.cs b/src/ST.Client.Mobile/UI/ViewModels/ExplorerViewModel.cs
new file mode 100644
index 000000000..0a641a6aa
--- /dev/null
+++ b/src/ST.Client.Mobile/UI/ViewModels/ExplorerViewModel.cs
@@ -0,0 +1,182 @@
+using ReactiveUI;
+using System.Application.Services;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Linq;
+
+namespace System.Application.UI.ViewModels
+{
+    public class ExplorerViewModel : ViewModelBase
+    {
+        const double unit = 1024d;
+        static readonly string[] units = new[] { "B", "KB", "MB", "GB", "TB" };
+        public static string GetSize(double length)
+        {
+            for (int i = 0; i < units.Length; i++)
+            {
+                if (i > 0) length /= unit;
+                if (length < unit) return $"{length:0.00} {units[i]}";
+            }
+            return $"{length:0.00} {units.Last()}";
+        }
+
+        string _CurrentPath = string.Empty;
+        public string CurrentPath
+        {
+            get => _CurrentPath;
+            set
+            {
+                if (_CurrentPath == value) return;
+                _CurrentPath = value;
+                var title = DefaultTitle;
+                foreach (var item in GetRootPaths())
+                {
+                    if (_CurrentPath.StartsWith(item.Key))
+                    {
+                        title = Path.DirectorySeparatorChar +
+                            item.Value +
+                            _CurrentPath.TrimStart(item.Key);
+                        break;
+                    }
+                }
+                Title = title;
+                foreach (var item in PathInfos.ToArray())
+                {
+                    PathInfos.Remove(item);
+                }
+                if (string.IsNullOrEmpty(_CurrentPath))
+                {
+                    PathInfos.AddRange(GetRootPathInfoViewModels<List<PathInfoViewModel>>());
+                }
+                else
+                {
+                    AddRange(PathInfos, _CurrentPath);
+                }
+            }
+        }
+
+        static readonly string DefaultTitle = Path.DirectorySeparatorChar.ToString();
+
+        string title = DefaultTitle;
+        public string Title
+        {
+            get => title;
+            set => this.RaiseAndSetIfChanged(ref title, value);
+        }
+
+        public ObservableCollection<PathInfoViewModel> PathInfos { get; } = GetRootPathInfoViewModels<ObservableCollection<PathInfoViewModel>>();
+
+        public class PathInfoViewModel : ReactiveObject
+        {
+            public PathInfoViewModel(FileSystemInfo fileSystemInfo, string? name = null)
+            {
+                Name = name ?? fileSystemInfo.Name;
+                FullName = fileSystemInfo.FullName;
+                Desc = $" | {fileSystemInfo.CreationTime.ToString(DateTimeFormat.Standard)}";
+                if (fileSystemInfo is FileInfo fileInfo)
+                {
+                    IsDirectory = false;
+                    var fileSize = GetSize(fileInfo.Length);
+                    Desc = $"Size: {fileSize}{Desc}";
+                }
+                else if (fileSystemInfo is DirectoryInfo dirInfo)
+                {
+                    IsDirectory = true;
+                    var ignore_rule_log_under_cache_on_cache = AppHelper.LogUnderCache && dirInfo.FullName == IOPath.CacheDirectory;
+                    var filesCount = dirInfo.GetFiles().Length;
+                    var dirsCount = dirInfo.GetDirectories().Length;
+                    Desc = $"Count: {filesCount + (ignore_rule_log_under_cache_on_cache ? dirsCount - 1 : dirsCount)}{Desc}";
+                }
+                else
+                {
+                    throw new NotSupportedException();
+                }
+            }
+
+            public bool IsDirectory { get; }
+
+            public string Name { get; }
+
+            public string FullName { get; }
+
+            public string Desc { get; }
+        }
+
+        static IEnumerable<KeyValuePair<string, string>> GetRootPaths()
+        {
+            yield return new(IOPath.AppDataDirectory, IOPath.DirName_AppData);
+            yield return new(AppHelper.LogDirPath, AppHelper.LogDirName);
+            yield return new(IOPath.CacheDirectory, IOPath.DirName_Cache);
+        }
+
+        static T GetRootPathInfoViewModels<T>() where T : ICollection<PathInfoViewModel>, new()
+        {
+            return new T()
+            {
+                new PathInfoViewModel(new DirectoryInfo(IOPath.AppDataDirectory), IOPath.DirName_AppData),
+                new PathInfoViewModel(new DirectoryInfo(IOPath.CacheDirectory), IOPath.DirName_Cache),
+                new PathInfoViewModel(new DirectoryInfo(AppHelper.LogDirPath)),
+            };
+        }
+
+        public static void AddRange(IList<PathInfoViewModel> list, string dirPath)
+        {
+            var ignore_rule_log_under_cache_on_cache = AppHelper.LogUnderCache && dirPath == IOPath.CacheDirectory;
+            var dirInfo = new DirectoryInfo(dirPath);
+            Array.ForEach(dirInfo.GetDirectories(), x =>
+            {
+                if (ignore_rule_log_under_cache_on_cache && x.Name == AppHelper.LogDirName) return;
+                list.Add(new(x));
+            });
+            Array.ForEach(dirInfo.GetFiles(), x => list.Add(new(x)));
+        }
+
+        public void OnItemClick(PathInfoViewModel pathInfo)
+        {
+            if (pathInfo.IsDirectory)
+            {
+                CurrentPath = pathInfo.FullName;
+            }
+            else
+            {
+                var extension = Path.GetExtension(pathInfo.FullName);
+                if (string.Equals(extension, FileEx.JSON, StringComparison.OrdinalIgnoreCase) ||
+                    string.Equals(extension, FileEx.TXT, StringComparison.OrdinalIgnoreCase) ||
+                    string.Equals(extension, FileEx.LOG, StringComparison.OrdinalIgnoreCase))
+                {
+                    IPlatformService.Instance.OpenFileByTextReader(pathInfo.FullName);
+                }
+            }
+        }
+
+        public bool OnBack()
+        {
+            if (Title != DefaultTitle)
+            {
+                var dirs = Title.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries);
+                if (dirs.Length == 1)
+                {
+                    CurrentPath = string.Empty;
+                }
+                else if (dirs.Length > 0)
+                {
+                    foreach (var item in GetRootPaths())
+                    {
+                        if (item.Value == dirs[0])
+                        {
+                            CurrentPath = Path.Combine(new[] { item.Key }.Concat(dirs.Skip(1).Take(dirs.Length - 2)).ToArray());
+                            break;
+                        }
+                    }
+                }
+                else
+                {
+                    return false;
+                }
+                return true;
+            }
+            return false;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/ST.Client.Mobile/UI/ViewModels/Pages/About/AboutPageViewModel.cs b/src/ST.Client.Mobile/UI/ViewModels/Pages/About/AboutPageViewModel.cs
index f2b031b3b..a89a70125 100644
--- a/src/ST.Client.Mobile/UI/ViewModels/Pages/About/AboutPageViewModel.cs
+++ b/src/ST.Client.Mobile/UI/ViewModels/Pages/About/AboutPageViewModel.cs
@@ -34,6 +34,7 @@ namespace System.Application.UI.ViewModels
             源码仓库,
             产品官网,
             开放源代码许可,
+            浏览基目录,
 
             账号注销,
         }
@@ -67,6 +68,7 @@ namespace System.Application.UI.ViewModels
                     PreferenceButton.Bug反馈 => AppResources.BugFeedback,
                     PreferenceButton.账号注销 => AppResources.DelAccount,
                     PreferenceButton.社区翻译 => AppResources.Translators,
+                    PreferenceButton.浏览基目录 => AppResources.BrowseBaseDirectory,
                     _ => id.ToString(),
                 };
                 return title;
diff --git a/src/ST.Client/AppFolder.cs b/src/ST.Client/AppFolder.cs
index dc04e65b5..358b628b5 100644
--- a/src/ST.Client/AppFolder.cs
+++ b/src/ST.Client/AppFolder.cs
@@ -1,4 +1,4 @@
-using System.IO;
+using System.IO;
 
 namespace System.Application
 {
diff --git a/src/ST.Client/Services/IPlatformService.cs b/src/ST.Client/Services/IPlatformService.cs
index 9e0fab936..0158da6b0 100644
--- a/src/ST.Client/Services/IPlatformService.cs
+++ b/src/ST.Client/Services/IPlatformService.cs
@@ -9,8 +9,14 @@ namespace System.Application.Services
         public static IPlatformService Instance => DI.Get<IPlatformService>();
 
         string[] GetMacNetworksetup() => throw new PlatformNotSupportedException();
-        async void AdminShell(string str,bool admin=false) => await AdminShellAsync(str,admin);
+        async void AdminShell(string str, bool admin = false) => await AdminShellAsync(str, admin);
 
         ValueTask AdminShellAsync(string str, bool admin = false) => throw new PlatformNotSupportedException();
+
+        /// <summary>
+        /// 使用文本阅读器打开文件
+        /// </summary>
+        /// <param name="filePath"></param>
+        void OpenFileByTextReader(string filePath);
     }
 }
\ No newline at end of file
diff --git a/src/ST.Tools.AreaImport/ST.Tools.AreaImport.csproj b/src/ST.Tools.AreaImport/ST.Tools.AreaImport.csproj
index c94b11d01..bbb3f6131 100644
--- a/src/ST.Tools.AreaImport/ST.Tools.AreaImport.csproj
+++ b/src/ST.Tools.AreaImport/ST.Tools.AreaImport.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
diff --git a/src/ST.Tools.OpenSourceLibraryList/ST.Tools.OpenSourceLibraryList.csproj b/src/ST.Tools.OpenSourceLibraryList/ST.Tools.OpenSourceLibraryList.csproj
index 014881130..9845c7b84 100644
--- a/src/ST.Tools.OpenSourceLibraryList/ST.Tools.OpenSourceLibraryList.csproj
+++ b/src/ST.Tools.OpenSourceLibraryList/ST.Tools.OpenSourceLibraryList.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
diff --git a/src/ST.Tools.Packager/Application/UI/Views/Form1.cs b/src/ST.Tools.Packager/Application/UI/Views/Form1.cs
index ee90ab1d3..88defa435 100644
--- a/src/ST.Tools.Packager/Application/UI/Views/Form1.cs
+++ b/src/ST.Tools.Packager/Application/UI/Views/Form1.cs
@@ -1,4 +1,4 @@
-using ICSharpCode.SharpZipLib.Tar;
+using ICSharpCode.SharpZipLib.Tar;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
diff --git a/src/ST.Tools.Packager/ST.Tools.Packager.csproj b/src/ST.Tools.Packager/ST.Tools.Packager.csproj
index 0e522ecc5..befb5604e 100644
--- a/src/ST.Tools.Packager/ST.Tools.Packager.csproj
+++ b/src/ST.Tools.Packager/ST.Tools.Packager.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
diff --git a/src/ST.Tools.Translate/ST.Tools.Translate.csproj b/src/ST.Tools.Translate/ST.Tools.Translate.csproj
index 446cf2375..d81fc219a 100644
--- a/src/ST.Tools.Translate/ST.Tools.Translate.csproj
+++ b/src/ST.Tools.Translate/ST.Tools.Translate.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
diff --git a/src/Startup2.cs b/src/Startup2.cs
index fbc88f43a..c1dc4b145 100644
--- a/src/Startup2.cs
+++ b/src/Startup2.cs
@@ -98,13 +98,7 @@ namespace System.Application
         static void ConfigureRequiredServices(IServiceCollection services)
         {
             // 添加日志实现
-#if __ANDROID__
-            services.AddClientLogging();
-#elif __IOS__
-            services.AddLogging(cfg => cfg.AddProvider(NullLoggerProvider.Instance));
-#else
-            services.AddDesktopLogging();
-#endif
+            services.AddGeneralLogging();
 #if __MOBILE__
             // 添加运行时权限
             services.TryAddPermissions();