diff --git a/src/MBA.Cli/Program.cs b/src/MBA.Cli/Program.cs
index b94ba74..4de4ac9 100644
--- a/src/MBA.Cli/Program.cs
+++ b/src/MBA.Cli/Program.cs
@@ -41,6 +41,15 @@ static int Main(string[] args)
         }
 
         Core.Main.Current.Start();
+
+        if (VersionManager.Released)
+        {
+            Console.ForegroundColor = ConsoleColor.Green;
+            Console.WriteLine("New version released, available for download at https://github.com/MaaAssistantArknights/MBA/releases/latest.");
+            Console.ForegroundColor = ConsoleColor.White;
+        }
+
+        Console.WriteLine("按任意键关闭此窗口. . .");
         Console.ReadKey();
         return 0;
     }
diff --git a/src/MBA.Core/Data/Config.cs b/src/MBA.Core/Data/Config.cs
index ea76102..198f7dd 100644
--- a/src/MBA.Core/Data/Config.cs
+++ b/src/MBA.Core/Data/Config.cs
@@ -20,6 +20,12 @@ public class UIConfig
 {
     public bool FirstStartUp { get; set; } = true;
     public bool DebugMode { get; set; } = false;
+    public string Proxy { get; set; } = string.Empty;
+
+    [JsonIgnore]
+    public Uri? ProxyUri => string.IsNullOrEmpty(Proxy)
+        ? null
+        : new Uri(Proxy.Contains("://") ? Proxy : $"http://{Proxy}");
 }
 
 public class CoreConfig
@@ -96,6 +102,7 @@ public class ConfigDoc
 
     public string FirstStartUp { get; } = "是否第一次启动";
     public string DebugMode { get; } = "是否开启 Debug Mode (生成的文件会占用大量空间)";
+    public string Proxy { get; } = "代理地址，例如 http://127.0.0.1:7890";
 
     #endregion
 
diff --git a/src/MBA.Core/Managers/LogManager.cs b/src/MBA.Core/Managers/LogManager.cs
index b46e200..4fbc762 100644
--- a/src/MBA.Core/Managers/LogManager.cs
+++ b/src/MBA.Core/Managers/LogManager.cs
@@ -60,20 +60,11 @@ private static void LogStart(string env, bool enableDebugMode)
         if (_logStarted) return;
 
         Log.Information("===================================");
-        Log.Information("  MBA {UI} v{Version} started", GlobalInfo.IsCli ? "CLI" : "GUI", GetInformationalVersion());
+        Log.Information("  MBA {UI} v{Version} started", GlobalInfo.IsCli ? "CLI" : "GUI", VersionManager.InformationalVersion);
         Log.Information("  Environment: {env}", env);
         Log.Information("  Debug Mode: {DebugMode}", enableDebugMode);
         /* Duplicate in famework log */
         // Log.Information("  User Dir: {CurrentDirectory}", Directory.GetCurrentDirectory());
         Log.Information("===================================");
     }
-
-    private static string GetInformationalVersion()
-    {
-        var attr = Attribute.GetCustomAttribute(
-                Assembly.GetExecutingAssembly(),
-                typeof(AssemblyInformationalVersionAttribute))
-            as AssemblyInformationalVersionAttribute;
-        return attr?.InformationalVersion ?? " <Unidentified>";
-    }
 }
diff --git a/src/MBA.Core/Managers/VersionManager.cs b/src/MBA.Core/Managers/VersionManager.cs
new file mode 100644
index 0000000..177ad0e
--- /dev/null
+++ b/src/MBA.Core/Managers/VersionManager.cs
@@ -0,0 +1,101 @@
+using System.Net;
+using System.Net.Http.Headers;
+using System.Reflection;
+using System.Text.Json.Nodes;
+using MBA.Core.Data;
+
+namespace MBA.Core.Managers;
+
+public static class VersionManager
+{
+    private static Serilog.ILogger Log => LogManager.Logger;
+
+    public static string AssemblyVersion { get; private set; }
+    public static string InformationalVersion { get; private set; }
+    public static bool Released { get; private set; } = false;
+
+    static VersionManager()
+    {
+        AssemblyVersion = GetAssemblyVersion();
+        InformationalVersion = GetInformationalVersion();
+        _ = SetReleasedAsync();
+    }
+
+    private static string GetAssemblyVersion()
+    {
+        return Assembly.GetExecutingAssembly().GetName().Version?.ToString(3)
+            ?? "<Unidentified>";
+    }
+
+    private static string GetInformationalVersion()
+    {
+        var attr = Attribute.GetCustomAttribute(
+                Assembly.GetExecutingAssembly(),
+                typeof(AssemblyInformationalVersionAttribute))
+            as AssemblyInformationalVersionAttribute;
+        return attr?.InformationalVersion
+            ?? AssemblyVersion + "-<Unidentified>";
+    }
+
+    private static async Task SetReleasedAsync()
+    {
+        if (InformationalVersion.EndsWith("-dev")
+         || InformationalVersion.Contains("Preview"))
+            return;
+
+        try
+        {
+            var latest = await GetLatestReleaseVersionAsync();
+            if (latest != AssemblyVersion && latest != InformationalVersion)
+                Released = true;
+        }
+        catch (Exception e)
+        {
+            Log.Warning("VersionManager.{Func} failed: {Message}",
+                nameof(GetLatestReleaseVersionAsync),
+                e.Message);
+            Log.Warning("Setting the {Proxy} in {Path} may be useful.",
+                nameof(ConfigManager.Config.UI.Proxy),
+                GlobalInfo.ConfigFileFullPath);
+        }
+    }
+
+    private static async Task<string> GetLatestReleaseVersionAsync()
+    {
+        var url = "https://api.github.com/repos/MaaAssistantArknights/MBA/releases/latest";
+        var handler = new HttpClientHandler
+        {
+            AllowAutoRedirect = true,
+        };
+        if (ConfigManager.Config.UI.ProxyUri != null)
+        {
+            handler.UseProxy = true;
+            handler.Proxy = new WebProxy
+            {
+                Address = ConfigManager.Config.UI.ProxyUri,
+                BypassProxyOnLocal = false,
+                UseDefaultCredentials = false,
+            };
+        }
+
+        var client = new HttpClient(handler);
+        client.DefaultRequestHeaders.Add("Accept", "application/vnd.github+json");
+        client.DefaultRequestHeaders.Add("X-GitHub-Api-Version", "2022-11-28");
+        client.DefaultRequestHeaders.UserAgent.Add(ProductInfoHeaderValue.Parse("request"));
+        var jsonString = await client.GetStringAsync(url);
+
+        var jsonNode = JsonNode.Parse(jsonString);
+        if (jsonNode == null)
+            return string.Empty;
+
+        jsonNode = jsonNode["tag_name"];
+        if (jsonNode == null)
+            return string.Empty;
+
+        var tag = jsonNode.ToString();
+        if (!tag.StartsWith('v'))
+            return string.Empty;
+
+        return tag.TrimStart('v');
+    }
+}