diff --git a/FastGithub/GithubService.cs b/FastGithub/GithubService.cs
index fbad549..c196e05 100644
--- a/FastGithub/GithubService.cs
+++ b/FastGithub/GithubService.cs
@@ -1,5 +1,6 @@
 锘縰sing Microsoft.Extensions.Logging;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -35,9 +36,14 @@ namespace FastGithub
                     .Where(item => item.HttpElapsed != null)
                     .OrderBy(item => item.HttpElapsed);
 
+                using var fileStream = File.OpenWrite("github.txt");
+                using var fileWriter = new StreamWriter(fileStream);
+
                 foreach (var context in sortedContexts)
                 {
-                    this.logger.LogInformation($"{context.Address} {context.HttpElapsed}");
+                    var content = $"{context.Address}\t{context.HttpElapsed}";
+                    this.logger.LogInformation(content);
+                    await fileWriter.WriteLineAsync(content);
                 }
             }
 
diff --git a/FastGithub/appsettings.json b/FastGithub/appsettings.json
index cfc9037..47b6e37 100644
--- a/FastGithub/appsettings.json
+++ b/FastGithub/appsettings.json
@@ -2,7 +2,7 @@
   "Github": {
     "MetaUri": "https://gitee.com/jiulang/fast-github/raw/master/FastGithub/meta.json", // ip资源文件uri
     "Concurrent": 50, // 并发作业数，此项需要重启才生效
-    "PortScanTimeout": "00:00:01", // 端口扫描超时时间
+    "PortScanTimeout": "00:00:00.500", // 端口扫描超时时间
     "HttpTestTimeout": "00:00:05" // http测试超时时间
   },
   "Logging": {