diff --git a/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql b/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql
index becd1661..10fb3517 100644
--- a/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql
+++ b/server/skillhub-app/src/main/resources/db/migration/V7__fix_audit_log_jsonb_type.sql
@@ -1,12 +1,10 @@
 -- Fix audit_log detail_json column to properly handle JSONB type
 -- This migration ensures existing data is compatible with the JSONB type
 
--- The column is already defined as jsonb in V1, but we need to ensure
--- any existing string data can be properly cast to jsonb
-ALTER TABLE audit_log
-ALTER COLUMN detail_json TYPE jsonb
-USING CASE
-    WHEN detail_json IS NULL THEN NULL
-    WHEN detail_json = '' THEN NULL
-    ELSE detail_json::jsonb
-END;
+-- The column is already defined as jsonb in V1, so this migration is a no-op
+-- for fresh installations. For existing installations with text data, this would
+-- have been needed, but since the column was always jsonb, we just verify it exists.
+
+-- No-op migration: column is already jsonb in V1
+-- This file exists to maintain migration version continuity
+SELECT 1;
diff --git a/web/src/app/layout.tsx b/web/src/app/layout.tsx
index 69d0472e..44d6f23c 100644
--- a/web/src/app/layout.tsx
+++ b/web/src/app/layout.tsx
@@ -25,15 +25,31 @@ export function Layout() {
       {/* Glass header */}
       <header className="sticky top-0 z-50 glass-strong border-b border-border/40">
         <div className="container mx-auto flex h-16 items-center justify-between px-4 lg:px-8">
-          <Link to="/" className="flex items-center gap-2 group">
-            <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-primary to-primary/70 flex items-center justify-center shadow-glow">
-              <span className="text-primary-foreground font-bold text-sm">S</span>
-            </div>
-            <span className="text-xl font-bold font-heading text-foreground group-hover:text-primary transition-colors">
-              SkillHub
-            </span>
-          </Link>
+          {/* 左侧: Logo + 主导航 */}
+          <div className="flex items-center gap-8">
+            <Link to="/" className="flex items-center gap-2 group">
+              <div className="w-8 h-8 rounded-lg bg-gradient-to-br from-primary to-primary/70 flex items-center justify-center shadow-glow">
+                <span className="text-primary-foreground font-bold text-sm">S</span>
+              </div>
+              <span className="text-xl font-bold font-heading text-foreground group-hover:text-primary transition-colors">
+                SkillHub
+              </span>
+            </Link>
 
+            {/* 主导航链接 */}
+            <nav className="hidden md:flex items-center gap-6">
+              <Link
+                to="/search"
+                search={{ q: '', sort: 'relevance', page: 0 }}
+                className="text-sm font-medium text-muted-foreground hover:text-foreground transition-colors"
+                activeProps={{ className: 'text-primary' }}
+              >
+                {t('nav.explore')}
+              </Link>
+            </nav>
+          </div>
+
+          {/* 右侧菜单 */}
           <nav className="flex items-center gap-6">
             <LanguageSwitcher />
             {isLoading ? null : user ? (
diff --git a/web/src/i18n/locales/en.json b/web/src/i18n/locales/en.json
index c788fbb8..4484d92b 100644
--- a/web/src/i18n/locales/en.json
+++ b/web/src/i18n/locales/en.json
@@ -1,6 +1,7 @@
 {
   "nav": {
     "home": "Home",
+    "explore": "Explore Skills",
     "search": "Search Skills",
     "dashboard": "Dashboard",
     "login": "Login"
diff --git a/web/src/i18n/locales/zh.json b/web/src/i18n/locales/zh.json
index 5a2b47cb..b7c7d3ea 100644
--- a/web/src/i18n/locales/zh.json
+++ b/web/src/i18n/locales/zh.json
@@ -1,6 +1,7 @@
 {
   "nav": {
     "home": "首页",
+    "explore": "探索",
     "search": "搜索技能",
     "dashboard": "控制台",
     "login": "登录"
diff --git a/web/src/shared/components/user-menu.tsx b/web/src/shared/components/user-menu.tsx
index 9ad5f534..55978922 100644
--- a/web/src/shared/components/user-menu.tsx
+++ b/web/src/shared/components/user-menu.tsx
@@ -1,5 +1,5 @@
 import { useTranslation } from 'react-i18next'
-import { Link, useNavigate } from '@tanstack/react-router'
+import { Link } from '@tanstack/react-router'
 import { useQueryClient } from '@tanstack/react-query'
 import { authApi } from '@/api/client'
 import {
@@ -22,7 +22,6 @@ interface UserMenuProps {
 
 export function UserMenu({ user }: UserMenuProps) {
   const { t } = useTranslation()
-  const navigate = useNavigate()
   const queryClient = useQueryClient()
 
   const hasRole = (role: string) => user.platformRoles?.includes(role) ?? false
@@ -34,10 +33,12 @@ export function UserMenu({ user }: UserMenuProps) {
   const handleLogout = async () => {
     try {
       await authApi.logout()
-      queryClient.setQueryData(['auth', 'me'], null)
-      navigate({ to: '/' })
     } catch (error) {
       console.error('Logout failed:', error)
+    } finally {
+      // Always clear cache and redirect, even if API call fails
+      queryClient.setQueryData(['auth', 'me'], null)
+      window.location.href = '/'
     }
   }