diff --git a/hwe/sammo/API/Nation/SetBlockScout.php b/hwe/sammo/API/Nation/SetBlockScout.php
index 4b8967d3..72024556 100644
--- a/hwe/sammo/API/Nation/SetBlockScout.php
+++ b/hwe/sammo/API/Nation/SetBlockScout.php
@@ -47,6 +47,11 @@ class SetBlockScout extends \sammo\BaseAPI
             return "권한이 부족합니다.";
         }
 
+        $gameStor = new KVStorage($db, 'game_env');
+        $blockChangeScout = $gameStor->getValue('block_change_scout')??false;
+        if ($blockChangeScout){
+            return "임관 설정을 바꿀 수 없도록 설정되어 있습니다.";
+        }
 
         $nationID = $me['nation'];
 
diff --git a/hwe/sammo/Event/Action/BlockScoutAction.php b/hwe/sammo/Event/Action/BlockScoutAction.php
new file mode 100644
index 00000000..4504f0f5
--- /dev/null
+++ b/hwe/sammo/Event/Action/BlockScoutAction.php
@@ -0,0 +1,25 @@
+<?php
+namespace sammo\Event\Action;
+use sammo\Util;
+use sammo\DB;
+use sammo\KVStorage;
+
+class BlockScoutAction extends \sammo\Event\Action{
+    public function __construct(private ?bool $blockChangeScout = null){
+
+    }
+
+    public function run(array $env){
+        $db = DB::db();
+        $db->update('nation', [
+            'scout'=>1
+        ], true);
+        if($this->blockChangeScout !== null){
+            $gameStor = new KVStorage($db, 'game_env');
+            $gameStor->setValue('block_change_scout', $this->blockChangeScout);
+        }
+
+        return [__CLASS__, $db->affectedRows()];
+    }
+
+}
\ No newline at end of file
diff --git a/hwe/sammo/Event/Action/RaiseInvader.php b/hwe/sammo/Event/Action/RaiseInvader.php
index 6e48412b..c7252f0c 100644
--- a/hwe/sammo/Event/Action/RaiseInvader.php
+++ b/hwe/sammo/Event/Action/RaiseInvader.php
@@ -252,6 +252,8 @@ class RaiseInvader extends \sammo\Event\Action
         $logger->pushGlobalHistoryLog("<L><b>【이벤트】</b></>이민족의 기세는 그 누구도 막을 수 없을듯 합니다!");
         $logger->flush();
 
+        $gameStor->setValue('block_change_scout', false);
+
         $db->update('plock', [
             'plock' => 0
         ], true);
diff --git a/hwe/sammo/Event/Action/UnblockScoutAction.php b/hwe/sammo/Event/Action/UnblockScoutAction.php
new file mode 100644
index 00000000..8d78bd49
--- /dev/null
+++ b/hwe/sammo/Event/Action/UnblockScoutAction.php
@@ -0,0 +1,26 @@
+<?php
+namespace sammo\Event\Action;
+use sammo\Util;
+use sammo\DB;
+use sammo\KVStorage;
+
+class UnblockScoutAction extends \sammo\Event\Action{
+    public function __construct(private ?bool $blockChangeScout = null){
+
+    }
+
+    public function run(array $env){
+        $db = DB::db();
+        $db->update('nation', [
+            'scout'=>0
+        ]);
+
+        if($this->blockChangeScout !== null){
+            $gameStor = new KVStorage($db, 'game_env');
+            $gameStor->setValue('block_change_scout', $this->blockChangeScout);
+        }
+
+        return [__CLASS__, $db->affectedRows()];
+    }
+
+}
\ No newline at end of file