better exception message

res/App.Designer.cs

@@ -113,6 +113,15 @@ namespace YaeAchievement.res {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Network error ({0}: {1}).
+        /// </summary>
+        internal static string ExceptionNetwork {
+            get {
+                return ResourceManager.GetString("ExceptionNetwork", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Export to: 
         ///[0] Cocogoat (https://cocogoat.work/achievement, Default)

res/App.resx

@@ -134,4 +134,7 @@ Input a number (0-5): </value>
     <data name="VcRuntimeInstalling" xml:space="preserve">
         <value>Installing Visual C++ Redistributable...</value>
     </data>
+    <data name="ExceptionNetwork" xml:space="preserve">
+        <value>Network error ({0}: {1})</value>
+    </data>
 </root>

res/App.zh.resx

@@ -128,4 +128,7 @@
     <data name="VcRuntimeInstalling" xml:space="preserve">
         <value>正在安装 Visual C++ Redistributable...</value>
     </data>
+    <data name="ExceptionNetwork" xml:space="preserve">
+        <value>网络错误，请检查网络后重试 ({0}: {1})</value>
+    </data>
 </root>

src/Utils.cs

@@ -3,6 +3,7 @@ using System.Diagnostics;
 using System.IO.Pipes;
 using System.Net;
 using System.Net.Http.Headers;
+using System.Net.Sockets;
 using System.Runtime.InteropServices;
 using Microsoft.Win32;
 using YaeAchievement.AppCenterSDK;
@@ -149,14 +150,23 @@ public static class Utils {
     public static void InstallExceptionHook() {
         AppDomain.CurrentDomain.UnhandledException += (_, e) => {
             var ex = e.ExceptionObject;
-            if (ex is ApplicationException exception) {
-                Console.WriteLine(exception.Message);
-            } else {
+            switch (ex) {
+                case ApplicationException ex1:
+                    Console.WriteLine(ex1.Message);
+                    break;
+                case SocketException ex2:
+                    Console.WriteLine(App.ExceptionNetwork, nameof(SocketException), ex2.Message);
+                    break;
+                case HttpRequestException ex3:
+                    Console.WriteLine(App.ExceptionNetwork, nameof(HttpRequestException), ex3.Message);
+                    break;
+                default:
                     Console.WriteLine(ex.ToString());
                     Console.WriteLine(App.UploadError);
                     AppCenter.TrackCrash((Exception) e.ExceptionObject);
                     AppCenter.Upload();
                     Environment.Exit(-1);
+                    break;
             }
         };
     }