diff --git a/frontend/src/layouts/MainLayout.vue b/frontend/src/layouts/MainLayout.vue
index e96591c2..d251b116 100644
--- a/frontend/src/layouts/MainLayout.vue
+++ b/frontend/src/layouts/MainLayout.vue
@@ -50,7 +50,7 @@ import { useRoute, useRouter } from 'vue-router'
 import {
   User, Monitor, Document, TrendCharts, WarningFilled, Connection,
   Menu, Bell, Setting, Coin, DataAnalysis, Money, DataLine,
-  DataBoard, Tools, Collection, Edit, Reading, Opportunity, PieChart,
+  DataBoard, Tools, Collection, Edit, Reading, Opportunity, PieChart, Lock,
 } from '@element-plus/icons-vue'
 import { MENU_ITEMS, ROLE_LABELS } from '../permission'
 
@@ -73,7 +73,7 @@ const currentEntityName = ref(localStorage.getItem('cma_entity_name') || '酣客
 const iconMap: Record<string, any> = {
   Monitor, Document, TrendCharts, WarningFilled, Connection,
   User, Bell, Setting, Coin, DataAnalysis, Money, DataLine,
-  DataBoard, Collection, Edit, Reading, Opportunity, PieChart,
+  DataBoard, Collection, Edit, Reading, Opportunity, PieChart, Lock,
 }
 
 // 分组图标映射 — PDCA五组