From f89952dd180790a26b955abe370ae13f703c6580 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=9B=BD=E4=BC=9F?= <366193849@qq.com>
Date: Wed, 16 Jun 2021 14:33:59 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=88=96=E6=9B=B4=E6=96=B0?=
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---
 FastGithub.Scanner/GithubContextCollection.cs | 12 ++++++++++--
 FastGithub.Scanner/GithubScanService.cs       |  2 +-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/FastGithub.Scanner/GithubContextCollection.cs b/FastGithub.Scanner/GithubContextCollection.cs
index 5c01444..3abf00d 100644
--- a/FastGithub.Scanner/GithubContextCollection.cs
+++ b/FastGithub.Scanner/GithubContextCollection.cs
@@ -10,11 +10,19 @@ namespace FastGithub.Scanner
         private readonly HashSet<GithubContext> contextHashSet = new();
         private readonly Dictionary<string, IPAddress> domainAdressCache = new();
 
-        public bool Add(GithubContext context)
+        public void AddOrUpdate(GithubContext context)
         {
             lock (this.syncRoot)
             {
-                return this.contextHashSet.Add(context);
+                if (this.contextHashSet.TryGetValue(context, out var value))
+                {
+                    value.Elapsed = context.Elapsed;
+                    value.Available = context.Available;
+                }
+                else
+                {
+                    this.contextHashSet.Add(context);
+                }
             }
         }
 
diff --git a/FastGithub.Scanner/GithubScanService.cs b/FastGithub.Scanner/GithubScanService.cs
index a1d3d7d..480b573 100644
--- a/FastGithub.Scanner/GithubScanService.cs
+++ b/FastGithub.Scanner/GithubScanService.cs
@@ -62,7 +62,7 @@ namespace FastGithub.Scanner
                 await this.fullScanDelegate(context);
                 if (context.Available == true)
                 {
-                    this.results.Add(context);
+                    this.results.AddOrUpdate(context);
                 }
             }
         }