优化

Author: cmliu

App.config

@@ -1,6 +1,14 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
     </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>

Form1.cs

@@ -7,11 +7,8 @@
 using System.Windows.Forms;
 using System.IO;
 using Microsoft.Win32;
-using System.Drawing;
-using static System.Windows.Forms.VisualStyles.VisualStyleElement.Button;
 using System.Linq;
 using System.Collections.Generic;
-using System.Xml.Linq;
 using System.Net.Http;
 using Newtonsoft.Json.Linq;
 
@@ -791,41 +788,49 @@ private async void timer1_Tick(object sender, EventArgs e)
 
         private async Task CheckGitHubVersionAsync()
         {
-            using (HttpClient client = new HttpClient())
+            try
             {
-                try
+                // 首先检查是否有网络连接
+                if (!IsNetworkAvailable())
                 {
-                    client.DefaultRequestHeaders.UserAgent.ParseAdd("request");
-
-                    string url = "https://api.github.com/repos/cmliu/CFnat-Windows-GUI/releases/latest";
-                    HttpResponseMessage response = await client.GetAsync(url);
+                    return; // 静默返回，不显示错误
+                }
 
-                    if (response.IsSuccessStatusCode)
+                using (HttpClient client = new HttpClient())
+                {
+                    try
                     {
-                        string responseBody = await response.Content.ReadAsStringAsync();
-                        JObject json = JObject.Parse(responseBody);
-                        string latestVersion = json["tag_name"].ToString();
+                        client.DefaultRequestHeaders.UserAgent.ParseAdd("request");
+                        client.Timeout = TimeSpan.FromSeconds(5); // 设置5秒超时
 
-                        if (latestVersion == 版本号)
-                        {
-                            // 版本相同的逻辑处理
-                            Console.WriteLine("已是最新版本！");
-                        }
-                        else
+                        string url = "https://api.github.com/repos/cmliu/CFnat-Windows-GUI/releases/latest";
+                        HttpResponseMessage response = await client.GetAsync(url);
+
+                        if (response.IsSuccessStatusCode)
                         {
-                            // 版本不同的逻辑处理
-                            标题 = "CFnat Windows GUI " + 版本号 + $"  发现新版本: {latestVersion} 请及时更新！";
-                            this.Text = 标题;
-                            Console.WriteLine($"发现新版本: {latestVersion}");
+                            string responseBody = await response.Content.ReadAsStringAsync();
+                            JObject json = JObject.Parse(responseBody);
+                            string latestVersion = json["tag_name"].ToString();
+
+                            if (latestVersion != 版本号)
+                            {
+                                标题 = "CFnat Windows GUI " + 版本号 + $"  发现新版本: {latestVersion} 请及时更新！";
+                                this.Text = 标题;
+                            }
                         }
                     }
-                }
-                catch (Exception ex)
-                {
-                    // 错误处理，比如网络错误等
-                    Console.WriteLine($"Error: {ex.Message}");
+                    catch
+                    {
+                        // 静默处理所有异常（网络错误、超时、JSON解析错误等）
+                        return;
+                    }
                 }
             }
+            catch
+            {
+                // 静默处理任何其他异常
+                return;
+            }
         }
 
         private void button3_Click(object sender, EventArgs e)
@@ -1045,5 +1050,18 @@ private void button5_Click(object sender, EventArgs e)
             }
         }
 
+        // 添加检查网络连接的辅助方法
+        private bool IsNetworkAvailable()
+        {
+            try
+            {
+                return NetworkInterface.GetIsNetworkAvailable();
+            }
+            catch
+            {
+                return false; // 如果无法检查网络状态，假设网络不可用
+            }
+        }
+
     }
 }

README.md

@@ -84,7 +84,6 @@ ips-v4.txt                 # 缓存IPv4库
 ips-v6.txt                 # 缓存IPv6库
 locations.json             # CF数据中心json文件
 Newtonsoft.Json.dll        # 验证版本信息组件
-Newtonsoft.Json.xml        # 验证版本信息组件
 ```
 
 ## Star 星星走起

cfnat.win.gui.csproj

@@ -46,6 +46,7 @@
     <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.Core" />
     <Reference Include="System.Net.Http" />
+    <Reference Include="System.Numerics" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />