diff --git a/extend/base/admin/view/index/ext/admin_menu_tab_content_demo.html b/extend/base/admin/view/index/ext/admin_menu_tab_content_demo.html
index 7215b36..888bc3e 100644
--- a/extend/base/admin/view/index/ext/admin_menu_tab_content_demo.html
+++ b/extend/base/admin/view/index/ext/admin_menu_tab_content_demo.html
@@ -1,4 +1,7 @@
-<div lay-id="layuiminiDemoTabIdContent" class="layui-tab-item">
+<div
+    lay-id="layuiminiDemoTabIdContent"
+    class="layui-tab-item"
+>
 
     <!-- var的用法，如果变量未声明，则声明，比如a1 -->
     {var name='a1' value='a1' /}
@@ -9,4 +12,24 @@
     <!-- 与assign区别，即便其他地方已经定义了a3，此处仍然会被定义 -->
     {assign name='a3' value='a3' /}
     {$a3}
+    <div class="ul-group-title">
+        动态设置权限
+    </div>
+    <pre>
+if (date('i') % 2 == 0) {
+    /** @var AuthService $authService */
+    $authService = app(AuthService::class);
+    $authService->disableNode('debug.log/export', false);
+}
+    </pre>
+    <p>当分钟数为双数时，禁用指定的权限。</p>
+    <p>
+        日志导出权限：
+        {if auth('debug.log/export') }
+        有权限
+        {else /}
+        无权限
+        {/if}
+    </p>
+    <p>{:date('i')}分</p>
 </div>
\ No newline at end of file
diff --git a/extend/base/common/event/AdminMenuTab/DemoEventBase.php b/extend/base/common/event/AdminMenuTab/DemoEventBase.php
index 0b3298c..a51e843 100644
--- a/extend/base/common/event/AdminMenuTab/DemoEventBase.php
+++ b/extend/base/common/event/AdminMenuTab/DemoEventBase.php
@@ -2,6 +2,7 @@
 
 namespace base\common\event\AdminMenuTab;
 
+use app\common\service\AuthService;
 use think\facade\Env;
 use think\facade\View;
 
@@ -17,8 +18,15 @@ class DemoEventBase
             $tab_content = View::layout(false)->fetch('index/ext/admin_menu_tab_content_demo');
         }
 
-        View::assign('a2','x2');
-        View::assign('a3','x3');
+        View::assign('a2', 'x2');
+        View::assign('a3', 'x3');
+
+        if (date('i') % 2 == 0) {
+            /** @var AuthService $authService */
+            $authService = app(AuthService::class);
+            $authService->disableNode('debug.log/export', false);
+        }
+
         // 事件监听处理
         return [
             'view_content' => $content,
diff --git a/extend/base/common/service/AuthServiceBase.php b/extend/base/common/service/AuthServiceBase.php
index a96d53e..1345c46 100644
--- a/extend/base/common/service/AuthServiceBase.php
+++ b/extend/base/common/service/AuthServiceBase.php
@@ -52,6 +52,8 @@ class AuthServiceBase
 
     protected $nodeService;
 
+    protected static $dynamicNodeList = [];
+
     /***
      * 构造方法
      * AuthService constructor.
@@ -64,6 +66,9 @@ class AuthServiceBase
     {
         $this->nodeService = new NodeService();
 
+        if(empty($adminId)){
+            $adminId = get_session_admin('id');
+        }
         $this->adminId = $adminId;
         $this->adminInfo = $this->getAdminInfo();
         $this->nodeList = $this->getNodeList();
@@ -87,6 +92,10 @@ class AuthServiceBase
      */
     public function checkNode($node = null)
     {
+        if(isset(static::$dynamicNodeList[$node])){
+            return static::$dynamicNodeList[$node];
+        }
+
         // 判断是否为超级管理员
         if ($this->isSuperAdmin()) {
             return true;
@@ -101,6 +110,7 @@ class AuthServiceBase
         } else {
             $node = $this->parseNodeStr($node);
         }
+
         // 判断是否加入节点控制，优先获取缓存信息
         if (!isset($this->nodeList[$node])) {
             return Config::get('admin.default_auth_check');
@@ -213,4 +223,19 @@ class AuthServiceBase
 
         return $node;
     }
+
+    public function disableNode($node, $skipSuperAdmin = true) 
+    {
+        if($this->isSuperAdmin()){
+            if($skipSuperAdmin){
+                return;
+            }
+        }
+        static::$dynamicNodeList[$node] = false;
+    }
+
+    public function enableNode($node)
+    {
+        static::$dynamicNodeList[$node] = true;
+    }
 }