no message

app/Services/TG/Hook/Cmd.php

@@ -17,6 +17,7 @@ class Cmd extends Base {
             '文章add'  => '/Article#Add__name',
             '文章del'  => '/Article#Del__id',
             '文章set'  => '/Article#Set__id__fild set',
+            '添加github的sshhost' => "System#AddSshHostGithub",
         ];
         
         $this->oTGHttp->sendToTG(json_encode($aCmdList, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));

app/Services/TG/Hook/System.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Services\TG\Hook;
+
+class System extends Base {
+    
+    public function AddSshHostGithub()
+    {
+
+        // 定义要添加的主机
+        $host = 'github.com';
+
+        // 执行 ssh-keyscan 命令
+        $key = shell_exec("ssh-keyscan -t ed25519 $host");
+
+        // 检查是否成功获取到公钥
+        if ($key) {
+            // 获取 known_hosts 文件的路径
+            $knownHostsFile = getenv('HOME') . '/.ssh/known_hosts';
+
+            // 检查 known_hosts 文件中是否已经存在该主机的公钥
+            if (strpos(file_get_contents($knownHostsFile), $host) === false) {
+                // 将公钥写入 known_hosts 文件
+                file_put_contents($knownHostsFile, $key, FILE_APPEND);
+                $sMsg = "公钥已成功添加到 $knownHostsFile\n";
+            } else {
+                $sMsg = "公钥已存在于 $knownHostsFile\n";
+            }
+        } else {
+            $sMsg = "无法获取 $host 的公钥\n";
+        }
+        
+        $this->oTGHttp->sendToTG($sMsg);
+        
+        $this->oHttp::response(200, 'ok');
+        
+    }
+    
+}