diff --git a/src/Infrastructure/Services/PaddleOCR/DocumentOcrJob.cs b/src/Infrastructure/Services/PaddleOCR/DocumentOcrJob.cs
index d2a3d9b43..b96182325 100644
--- a/src/Infrastructure/Services/PaddleOCR/DocumentOcrJob.cs
+++ b/src/Infrastructure/Services/PaddleOCR/DocumentOcrJob.cs
@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Diagnostics;
@@ -92,22 +92,6 @@ public async Task Recognition(int id, CancellationToken cancellationToken)
             _logger.LogError(ex, "{Id}: recognize error {ExMessage}", id, ex.Message);
         }
     }
-
-    private string ReadBase64String(string path)
-    {
-        using (var image = Image.FromFile(path))
-        {
-            using (var m = new MemoryStream())
-            {
-                image.Save(m, image.RawFormat);
-                var imageBytes = m.ToArray();
-
-                // Convert byte[] to Base64 String
-                var base64String = Convert.ToBase64String(imageBytes);
-                return base64String;
-            }
-        }
-    }
 }
 #pragma warning disable CS8981
 internal class OcrResult
diff --git a/src/Server.UI/Components/Shared/Layout/AppLayout.razor b/src/Server.UI/Components/Shared/Layout/AppLayout.razor
index 310c52a9e..86efaa92b 100644
--- a/src/Server.UI/Components/Shared/Layout/AppLayout.razor
+++ b/src/Server.UI/Components/Shared/Layout/AppLayout.razor
@@ -51,12 +51,9 @@
 @code
 {
     private bool _commandPaletteOpen;
-    private HotKeysContext? _hotKeysContext;
     private bool _navigationMenuDrawerOpen = true;
     private UserPreferences _userPreferences = new();
-    private MudThemeProvider _mudThemeProvider = null!;
     private bool _themingDrawerOpen;
-    private bool _defaultDarkMode;
     private UserProfile? _userProfile;
     private ErrorBoundary? _errorBoundary { set; get; }
     [CascadingParameter] 
diff --git a/src/Server.UI/Components/Shared/Layout/HeaderMenu.razor b/src/Server.UI/Components/Shared/Layout/HeaderMenu.razor
index d00897917..8ae141203 100644
--- a/src/Server.UI/Components/Shared/Layout/HeaderMenu.razor
+++ b/src/Server.UI/Components/Shared/Layout/HeaderMenu.razor
@@ -1,4 +1,4 @@
-<MudAppBar Class=""
+<MudAppBar Class=""
            Elevation="0"
            Style="background: --mud-palette-appbar-background">
     <MudTooltip Arrow="true" Text="Toggle menu">
@@ -26,7 +26,7 @@
             <MudIconButton Class="mx-1"
                            Color="Color.Default"
                            Icon="@Icons.Custom.Brands.GitHub"
-                           Link="https://github.com/neozhu/CleanArchitectureWithBlazorServer"
+                           Href="https://github.com/neozhu/CleanArchitectureWithBlazorServer"
                            Target="_blank"/>
         </MudTooltip>
         <LanguageSelector/>
diff --git a/src/Server.UI/Components/Shared/Layout/MainLayout.razor b/src/Server.UI/Components/Shared/Layout/MainLayout.razor
index 50d43197d..3ccbcc1b1 100644
--- a/src/Server.UI/Components/Shared/Layout/MainLayout.razor
+++ b/src/Server.UI/Components/Shared/Layout/MainLayout.razor
@@ -18,7 +18,7 @@
 
 @code
 {
-    private HotKeysContext? _hotKeysContext;
+
     private UserPreferences _userPreferences = new();
     private MudThemeProvider _mudThemeProvider = null!;
     private bool _defaultDarkMode;
@@ -28,7 +28,6 @@
     public void Dispose()
     {
         LayoutService.MajorUpdateOccured -= LayoutServiceOnMajorUpdateOccured;
-        _hotKeysContext?.Dispose();
         GC.SuppressFinalize(this);
     }
 
diff --git a/src/Server.UI/Components/Shared/Layout/PublicLayout.razor b/src/Server.UI/Components/Shared/Layout/PublicLayout.razor
index 870a88c31..6728ee2e1 100644
--- a/src/Server.UI/Components/Shared/Layout/PublicLayout.razor
+++ b/src/Server.UI/Components/Shared/Layout/PublicLayout.razor
@@ -15,30 +15,45 @@
             </MudText>
         </NavLink>
         <MudSpacer />
-        <MudTooltip Arrow="true"
-                    Text="Navigate to GitHub">
-            <MudIconButton Class="mx-1"
-                           Color="Color.Default"
-                           Icon="@Icons.Custom.Brands.GitHub"
-                           Link="https://github.com/neozhu/CleanArchitectureWithBlazorServer"
-                           Target="_blank" />
-        </MudTooltip>
-        <LanguageSelector />
-        <MudTooltip Text="@(RightToLeft ? "Toggle right-to-left" : "Toggle left-to-right")">
-            <MudIconButton Class="mx-1"
-                           Icon="@(RightToLeft ? Icons.Material.Filled.FormatTextdirectionLToR : Icons.Material.Filled.FormatTextdirectionRToL)"
-                           Color="Color.Default"
-                           OnClick="@(e => LayoutService.ToggleRightToLeft())" />
-        </MudTooltip>
+        <MudHidden Breakpoint="Breakpoint.SmAndDown" >
+            <MudTooltip Arrow="true"
+                        Text="Navigate to GitHub">
+                <MudIconButton Class="mx-1"
+                               Color="Color.Default"
+                               Icon="@Icons.Custom.Brands.GitHub"
+                               Href="https://github.com/neozhu/CleanArchitectureWithBlazorServer"
+                               Target="_blank" />
+            </MudTooltip>
+            <LanguageSelector />
+            <MudTooltip Text="@(RightToLeft ? "Toggle right-to-left" : "Toggle left-to-right")">
+                <MudIconButton Class="mx-1"
+                               Icon="@(RightToLeft ? Icons.Material.Filled.FormatTextdirectionLToR : Icons.Material.Filled.FormatTextdirectionRToL)"
+                               Color="Color.Default"
+                               OnClick="@(e => LayoutService.ToggleRightToLeft())" />
+            </MudTooltip>
 
-        <MudTooltip Text="@L["Login"]">
-            <MudButton Variant="Variant.Text" Href="/pages/authentication/login"
-                       StartIcon="@Icons.Material.Rounded.Login"
-                       Style="text-transform:none">
-                @L["Login"]
-            </MudButton>
-        </MudTooltip>
+            <MudTooltip Text="@L["Login"]">
+                <MudButton Variant="Variant.Text" Href="/pages/authentication/login"
+                           StartIcon="@Icons.Material.Rounded.Login"
+                           Style="text-transform:none">
+                    @L["Login"]
+                </MudButton>
+            </MudTooltip>
+        </MudHidden>
+         <MudHidden Breakpoint="Breakpoint.SmAndDown" Invert="true">
+            
+            <LanguageSelector />
+
+            <MudTooltip Text="@L["Login"]">
+                <MudButton Variant="Variant.Text" Href="/pages/authentication/login"
+                           StartIcon="@Icons.Material.Rounded.Login"
+                           Style="text-transform:none">
+                    @L["Login"]
+                </MudButton>
+            </MudTooltip>
+        </MudHidden>
         
+
     </MudAppBar>
     <MudMainContent>
         <MudContainer MaxWidth="MaxWidth.Large" Class="mb-4 mt-4">
diff --git a/src/Server.UI/Pages/Customers/Customers.razor b/src/Server.UI/Pages/Customers/Customers.razor
index 05ec9804d..05e84049c 100644
--- a/src/Server.UI/Pages/Customers/Customers.razor
+++ b/src/Server.UI/Pages/Customers/Customers.razor
@@ -212,7 +212,6 @@
     private CustomerDto _currentDto = new();
     private bool _loading;
     private bool _uploading;
-    private bool _downloading;
     private bool _exporting;
     [Inject]
     private IMediator Mediator { get; set; } = default!;
diff --git a/src/Server.UI/Pages/Dashboard/Dashboard.razor b/src/Server.UI/Pages/Dashboard/Dashboard.razor
index 76c983801..dd7024f1f 100644
--- a/src/Server.UI/Pages/Dashboard/Dashboard.razor
+++ b/src/Server.UI/Pages/Dashboard/Dashboard.razor
@@ -1,4 +1,5 @@
-@page "/"
+@page "/"
+@using CleanArchitecture.Blazor.Server.UI.Pages.Dashboard.Components
 @using MudBlazor.Utilities
 <PageTitle>@Title</PageTitle>
 <AuthorizeView>
diff --git a/src/Server.UI/Pages/Documents/Components/UploadFilesFormDialog.razor b/src/Server.UI/Pages/Documents/Components/UploadFilesFormDialog.razor
index d5a3a2b6e..047f3c0ce 100644
--- a/src/Server.UI/Pages/Documents/Components/UploadFilesFormDialog.razor
+++ b/src/Server.UI/Pages/Documents/Components/UploadFilesFormDialog.razor
@@ -1,4 +1,4 @@
-@using Color = Color
+@using Color = Color
 @using Severity = Severity
 @using SixLabors.ImageSharp.Processing
 @using SixLabors.ImageSharp
@@ -46,11 +46,11 @@
         <MudButton Variant="Variant.Filled" Color="Color.Secondary" StartIcon="@Icons.Material.Filled.Clear" Disabled="@(!_uploadedFiles.Any())" OnClick="Clear">@ConstantString.Clear</MudButton>
         <MudFileUpload T="IReadOnlyList<IBrowserFile>" Accept=".jpg, .jpeg, .png, .webp" FilesChanged="LoadFiles" Style="margin-top:0px">
             <ButtonTemplate>
-                <MudButton Variant="Variant.Filled" HtmlTag="label"
+                <MudLoadingButton Loading="@_uploading" Variant="Variant.Filled" HtmlTag="label"
                            Icon="@Icons.Material.Filled.AttachFile"
                            for="@context">
                     @L["Choose files"]
-                </MudButton>
+                </MudLoadingButton>
             </ButtonTemplate>
         </MudFileUpload>