diff --git a/public/static/plugs/ulthon-admin/admin-core.js b/public/static/plugs/ulthon-admin/admin-core.js
index 51110e3..ff2808b 100644
--- a/public/static/plugs/ulthon-admin/admin-core.js
+++ b/public/static/plugs/ulthon-admin/admin-core.js
@@ -112,6 +112,31 @@
             return { 'X-CSRF-TOKEN': window.CONFIG.CSRF_TOKEN };
         },
 
+        // 全局权限判定：读服务端注入的权限集合 window.UA_AUTH（{all, controller, nodes}）。
+        // 无有效载荷（undefined/false，旧服务端渲染或异常）返回 undefined，由 checkAuth 落回 data-auth 属性判定；
+        // 前端不做 snake/驼峰规范化转换，全节点字符串必须与注册节点逐字一致
+        auth: function (node) {
+            var payload = window.UA_AUTH;
+            if (typeof payload !== 'object' || payload === null) {
+                return undefined;
+            }
+            if (payload.all) {
+                return true;
+            }
+            var controller, action;
+            if (node.indexOf('/') === -1) {
+                controller = payload.controller;
+                action = node;
+            } else {
+                // 按第一个 '/' 拆解；禁止 split('/', 2)：JS 的 limit 是丢弃余段语义，多段节点会静默截断
+                var i = node.indexOf('/');
+                controller = node.slice(0, i);
+                action = node.slice(i + 1);
+            }
+            var actions = payload.nodes ? payload.nodes[controller] : undefined;
+            return actions ? actions.indexOf(action) !== -1 : false;
+        },
+
         checkAuth: function (node, elem) {
             if (node === '1') {
                 return true;
@@ -119,11 +144,10 @@
             if (CONFIG.IS_SUPER_ADMIN) {
                 return true;
             }
-            if ($(elem).attr('data-auth-' + node) === '1') {
+            if (ua.auth(node) === true) {
                 return true;
-            } else {
-                return false;
             }
+            return !!(elem && $(elem).attr('data-auth-' + node) === '1');
         },
         parame: function (param, defaultParam) {
             return param !== undefined ? param : defaultParam;