diff --git a/FastGithub.Scanner/GithubScanResults.cs b/FastGithub.Scanner/GithubScanResults.cs
index dd052c2..10fd499 100644
--- a/FastGithub.Scanner/GithubScanResults.cs
+++ b/FastGithub.Scanner/GithubScanResults.cs
@@ -124,7 +124,8 @@ namespace FastGithub.Scanner
             {
                 using var stream = File.OpenWrite(dataFile);
                 var datas = this.ToArray()
-                    .OrderByDescending(item => item.AvailableRate)
+                    .OrderBy(item => item.Domain)
+                    .ThenByDescending(item => item.AvailableRate)
                     .Select(item => GithubDomainAddress.From(item));
 
                 await JsonSerializer.SerializeAsync(stream, datas, cancellationToken: cancellationToken);
diff --git a/FastGithub/README.MD b/FastGithub/README.MD
index 715ea47..ccd6f3e 100644
--- a/FastGithub/README.MD
+++ b/FastGithub/README.MD
@@ -11,6 +11,6 @@ github定制版的dns服务，解析github最优的ip
 * 在你的电脑安装FastGithub.cer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`
 
 ### 以windows服务运行
-以管理员身份运行cmd，键入如下命令，其中D:\Softs为软件实际目录
+运行cmd，键入如下命令，其中D:\Softs为软件实际目录
 * D:\Softs\FastGithub.exe start // 安装并启动服务
 * D:\Softs\FastGithub.exe stop  // 卸载并删除服务
\ No newline at end of file