diff --git a/FastGithub.ReverseProxy/KestrelServerOptionsExtensions.cs b/FastGithub.ReverseProxy/KestrelServerOptionsExtensions.cs
index 262bbb2..717b31e 100644
--- a/FastGithub.ReverseProxy/KestrelServerOptionsExtensions.cs
+++ b/FastGithub.ReverseProxy/KestrelServerOptionsExtensions.cs
@@ -77,9 +77,9 @@ namespace FastGithub
                         store.Close();
                     }
                 }
-                catch (Exception ex)
+                catch (Exception  )
                 {
-                    logger.LogError($"安装根证书{caPublicCerPath}失败：{ex.Message}");
+                    logger.LogError($"安装根证书{caPublicCerPath}失败：请手动安装到“将所有的证书都放入下载存储”\\“受信任的根证书颁发机构”");
                 }
             }
         }
diff --git a/FastGithub.Scanner/GithubResultScanHostedService.cs b/FastGithub.Scanner/GithubResultScanHostedService.cs
index 7957c43..fa52ec3 100644
--- a/FastGithub.Scanner/GithubResultScanHostedService.cs
+++ b/FastGithub.Scanner/GithubResultScanHostedService.cs
@@ -37,7 +37,7 @@ namespace FastGithub
             while (stoppingToken.IsCancellationRequested == false)
             {
                 await Task.Delay(this.options.CurrentValue.ResultScanInterval, stoppingToken);
-                await githubScanService.ScanResultAsync();
+                await githubScanService.ScanResultAsync(stoppingToken);
             }
         }
     }
diff --git a/FastGithub.Scanner/GithubScanResults.cs b/FastGithub.Scanner/GithubScanResults.cs
index b55e721..dd052c2 100644
--- a/FastGithub.Scanner/GithubScanResults.cs
+++ b/FastGithub.Scanner/GithubScanResults.cs
@@ -1,18 +1,68 @@
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
 using System.Linq;
 using System.Net;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
 
 namespace FastGithub.Scanner
 {
     /// <summary>
-    ///  GithubContext集合
+    /// github扫描结果
     /// </summary>
     [Service(ServiceLifetime.Singleton)]
     sealed class GithubScanResults
     {
+        private const string dataFile = "FastGithub.dat";
         private readonly object syncRoot = new();
         private readonly List<GithubContext> contexts = new();
+        private readonly ILogger<GithubScanResults> logger;
+
+        /// <summary>
+        /// github扫描结果
+        /// </summary>
+        /// <param name="logger"></param>
+        public GithubScanResults(ILogger<GithubScanResults> logger)
+        {
+            this.logger = logger;
+            var datas = LoadDatas(logger);
+            foreach (var context in datas)
+            {
+                this.Add(context);
+            }
+        }
+
+        /// <summary>
+        /// 从磁盘加载数据
+        /// </summary>
+        /// <param name="logger"></param>
+        /// <returns></returns>
+        private static GithubContext[] LoadDatas(ILogger logger)
+        {
+            try
+            {
+                if (File.Exists(dataFile) == true)
+                {
+                    var json = File.ReadAllBytes(dataFile);
+                    var datas = JsonSerializer.Deserialize<GithubDomainAddress[]>(json);
+                    if (datas != null)
+                    {
+                        return datas.Select(item => item.ToGithubContext()).ToArray();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning($"从{dataFile}加载数据失败：{ex.Message}");
+            }
+
+            return Array.Empty<GithubContext>();
+        }
 
         /// <summary>
         /// 添加GithubContext
@@ -42,7 +92,7 @@ namespace FastGithub.Scanner
             {
                 return this.contexts.ToArray();
             }
-        } 
+        }
 
         /// <summary>
         /// 查找最优的ip
@@ -50,11 +100,11 @@ namespace FastGithub.Scanner
         /// <param name="domain"></param>
         /// <returns></returns>
         public IPAddress? FindBestAddress(string domain)
-        { 
+        {
             lock (this.syncRoot)
             {
                 return this.contexts
-                    .Where(item => item.Domain == domain && item.AvailableRate > 0d)
+                    .Where(item => item.Domain == domain)
                     .OrderByDescending(item => item.AvailableRate)
                     .ThenByDescending(item => item.Available)
                     .ThenBy(item => item.AvgElapsed)
@@ -62,5 +112,54 @@ namespace FastGithub.Scanner
                     .FirstOrDefault();
             }
         }
+
+        /// <summary>
+        /// 保存数据到磁盘
+        /// </summary>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public async Task SaveDatasAsync(CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                using var stream = File.OpenWrite(dataFile);
+                var datas = this.ToArray()
+                    .OrderByDescending(item => item.AvailableRate)
+                    .Select(item => GithubDomainAddress.From(item));
+
+                await JsonSerializer.SerializeAsync(stream, datas, cancellationToken: cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                this.logger.LogWarning($"保存数据到{dataFile}失败：{ex.Message}");
+            }
+        }
+
+
+        /// <summary>
+        /// github的域名与ip关系数据
+        /// </summary>
+        private class GithubDomainAddress
+        {
+            [AllowNull]
+            public string Domain { get; set; }
+
+            [AllowNull]
+            public string Address { get; set; }
+
+            public GithubContext ToGithubContext()
+            {
+                return new GithubContext(this.Domain, IPAddress.Parse(this.Address)) { Available = true };
+            }
+
+            public static GithubDomainAddress From(GithubContext context)
+            {
+                return new GithubDomainAddress
+                {
+                    Domain = context.Domain,
+                    Address = context.Address.ToString()
+                };
+            }
+        }
     }
 }
diff --git a/FastGithub.Scanner/GithubScanService.cs b/FastGithub.Scanner/GithubScanService.cs
index 5efd383..93eae5c 100644
--- a/FastGithub.Scanner/GithubScanService.cs
+++ b/FastGithub.Scanner/GithubScanService.cs
@@ -133,10 +133,11 @@ namespace FastGithub.Scanner
         }
 
         /// <summary>
-        /// 扫描曾经扫描到的结果
+        /// 扫描历史结果
         /// </summary>
+        /// <param name="cancellationToken"></param>
         /// <returns></returns>
-        public async Task ScanResultAsync()
+        public async Task ScanResultAsync(CancellationToken cancellationToken)
         {
             this.logger.LogInformation("结果扫描开始..");
 
@@ -161,6 +162,7 @@ namespace FastGithub.Scanner
             }
             this.dnsFlushService.FlushGithubResolverCache();
             this.logger.LogInformation($"结果扫描结束，共扫描{results.Length}条记录");
+            await this.scanResults.SaveDatasAsync(cancellationToken);
         }
     }
 }
diff --git a/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs b/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
index 51b798e..d681cc1 100644
--- a/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
+++ b/FastGithub.Scanner/ScannerServiceCollectionExtensions.cs
@@ -39,7 +39,7 @@ namespace FastGithub
             return services
                 .AddMemoryCache()
                 .AddServiceAndOptions(assembly, configuration)
-                .AddHostedService<GithubFullScanHostedService>()
+                //.AddHostedService<GithubFullScanHostedService>()
                 .AddHostedService<GithubResultScanHostedService>();
             ;
         }