diff --git a/Directory.Packages.props b/Directory.Packages.props
index b5c49a4..a06d142 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -27,9 +27,14 @@
     <PackageVersion Include="MaterialDesignThemes" Version="5.2.1" />
     <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="9.0.2" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.2" />
+    <PackageVersion Include="Microsoft.Extensions.Logging" Version="9.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Moq" Version="4.20.72" />
     <PackageVersion Include="Moq.AutoMock" Version="3.5.0" />
+    <PackageVersion Include="Serilog.Extensions.Hosting" Version="9.0.0" />
+    <PackageVersion Include="Serilog.Extensions.Logging" Version="9.0.0" />
+    <PackageVersion Include="Serilog.Settings.Configuration" Version="9.0.0" />
+    <PackageVersion Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageVersion Include="SingleInstanceCore" Version="2.2.2" />
     <PackageVersion Include="System.Text.Json" Version="9.0.2" />
     <PackageVersion Include="ValueConverters" Version="3.1.22" />
diff --git a/SketchNow/App.xaml.cs b/SketchNow/App.xaml.cs
index 616189e..710835b 100644
--- a/SketchNow/App.xaml.cs
+++ b/SketchNow/App.xaml.cs
@@ -12,6 +12,8 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
+using Serilog;
+
 using SingleInstanceCore;
 
 using SketchNow.ViewModels;
@@ -56,9 +58,12 @@ private static async Task MainAsync(string[] args)
     public static IHostBuilder CreateHostBuilder(string[] args) =>
         Host.CreateDefaultBuilder(args)
             .ConfigureAppConfiguration((hostBuilderContext, configurationBuilder)
-                => configurationBuilder.AddUserSecrets(typeof(App).Assembly))
+                => configurationBuilder.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
+                                       .AddUserSecrets(typeof(App).Assembly))
             .ConfigureServices((hostContext, services) =>
             {
+                services.AddLogging(configure => configure.AddSerilog(new LoggerConfiguration().ReadFrom.Configuration(hostContext.Configuration).CreateLogger()));
+
                 services.AddSingleton<MainWindow>();
                 services.AddSingleton<MainWindowViewModel>();
                 services.AddSingleton<SettingsViewModel>();
@@ -80,8 +85,8 @@ public void OnInstanceInvoked(string[] args) { }
 #if !DEBUG
     public App()
     {
-        this.Startup += Application_Startup;
-        this.Exit += Application_Exit;
+        Startup += Application_Startup;
+        Exit += Application_Exit;
     }
 
     void Application_Startup(object sender, StartupEventArgs e)
@@ -118,11 +123,15 @@ static void AppDispatcherUnhandledException(object sender, DispatcherUnhandledEx
             MessageBox.Show(
                 $"UI thread meets an exception: {e.Exception.Message}{Environment.NewLine}{e.Exception.StackTrace}",
                 "Unhandled Exception", MessageBoxButton.OK, MessageBoxImage.Error);
+
+            Log.Error(e.Exception, "UI thread meets an exception");
         }
         catch (Exception ex)
         {
             MessageBox.Show($"UI thread meets a fatal exception! {ex.Message}{Environment.NewLine}{ex.StackTrace}",
                 "Unhandled Exception", MessageBoxButton.OK, MessageBoxImage.Error);
+
+            Log.Error(ex, "UI thread meets a fatal exception");
         }
     }
 
@@ -145,6 +154,8 @@ static void CurrentDomainUnhandledException(object sender, UnhandledExceptionEve
         }
 
         MessageBox.Show(sbEx.ToString());
+
+        Log.Error(e.ExceptionObject as Exception, "Non-UI thread meets exception");
     }
 
     static void TaskSchedulerUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
@@ -152,6 +163,8 @@ static void TaskSchedulerUnobservedTaskException(object? sender, UnobservedTaskE
         MessageBox.Show(
             $"Task thread meets exception：{e.Exception.Message}{Environment.NewLine}{e.Exception.StackTrace}",
             "Unobserved Task", MessageBoxButton.OK, MessageBoxImage.Error);
+
+        Log.Error(e.Exception, "Task thread meets exception");
         e.SetObserved();
     }
 #endif
diff --git a/SketchNow/SketchNow.csproj b/SketchNow/SketchNow.csproj
index 9e97fda..e49b640 100644
--- a/SketchNow/SketchNow.csproj
+++ b/SketchNow/SketchNow.csproj
@@ -49,6 +49,11 @@
     <PackageReference Include="MaterialDesignThemes" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" />
     <PackageReference Include="Microsoft.Extensions.Hosting" />
+    <PackageReference Include="Microsoft.Extensions.Logging" />
+    <PackageReference Include="Serilog.Extensions.Hosting" />
+    <PackageReference Include="Serilog.Extensions.Logging" />
+    <PackageReference Include="Serilog.Settings.Configuration" />
+    <PackageReference Include="Serilog.Sinks.File" />
     <PackageReference Include="SingleInstanceCore" />
     <PackageReference Include="System.Text.Json" />
     <PackageReference Include="ValueConverters" />
@@ -83,6 +88,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
diff --git a/SketchNow/appsettings.json b/SketchNow/appsettings.json
new file mode 100644
index 0000000..bf2ed2b
--- /dev/null
+++ b/SketchNow/appsettings.json
@@ -0,0 +1,20 @@
+{
+  "Serilog": {
+    "MinimumLevel": "Information",
+    "Using": [
+      "Serilog.Sinks.File"
+    ],
+    "WriteTo": [
+      {
+        "Args": {
+          "buffered": false,
+          "fileSizeLimitBytes": 10240000,
+          "path": "logs/.log",
+          "retainedFileCountLimit": 7,
+          "rollingInterval": "Day"
+        },
+        "Name": "File"
+      }
+    ]
+  }
+}
\ No newline at end of file