diff --git a/src/modules/assets/AssetsModule.tsx b/src/modules/assets/AssetsModule.tsx
index e10d214..67a728b 100644
--- a/src/modules/assets/AssetsModule.tsx
+++ b/src/modules/assets/AssetsModule.tsx
@@ -1,4 +1,5 @@
 import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
+import { useAuth } from '../../auth/useAuth';
 import {
   Truck,
   Warehouse,
@@ -45,6 +46,7 @@ const TABS = [
 ];
 
 export default function AssetsModule() {
+  const { user } = useAuth();
   const [activeTab, setActiveTab] = useState<'overview' | 'department' | 'region' | 'customer'>('overview');
   const [tabReady, setTabReady] = useState(true);
   const prevTabRef = useRef(activeTab);
@@ -453,7 +455,7 @@ export default function AssetsModule() {
     }
   }, [customerData, customerChartView, customerProvinceData]);
 
-  const watermarkText = useMemo(() => `羚牛氢能-${new Date().toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit', hour12: false }).replace(/\//g, '-')}`, [lastUpdate]);
+  const watermarkText = useMemo(() => `${user?.userName || '未登录'}-${new Date().toLocaleString('zh-CN', { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit', second: '2-digit', hour12: false }).replace(/\//g, '-')}`, [lastUpdate, user]);
 
   if (loading && !summary) {
     return (