diff --git a/web/src/App.tsx b/web/src/App.tsx
index 42a04b8f..ddc6d028 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -73,11 +73,11 @@ function App() {
     return () => window.removeEventListener('hashchange', handleHashChange);
   }, []);
 
-  // 切换页面时更新URL hash
-  const navigateToPage = (page: Page) => {
-    setCurrentPage(page);
-    window.location.hash = page === 'competition' ? '' : 'trader';
-  };
+  // 切换页面时更新URL hash (当前通过按钮直接调用setCurrentPage，这个函数暂时保留用于未来扩展)
+  // const navigateToPage = (page: Page) => {
+  //   setCurrentPage(page);
+  //   window.location.hash = page === 'competition' ? '' : 'trader';
+  // };
 
   // 获取trader列表
   const { data: traders } = useSWR<TraderInfo[]>('traders', api.getTraders, {
diff --git a/web/src/components/Header.tsx b/web/src/components/Header.tsx
index 1780a392..3fb1c693 100644
--- a/web/src/components/Header.tsx
+++ b/web/src/components/Header.tsx
@@ -22,13 +22,15 @@ export function Header({ simple = false }: HeaderProps) {
               <h1 className="text-xl font-bold" style={{ color: '#EAECEF' }}>
                 {t('appTitle', language)}
               </h1>
-              <p className="text-xs mono" style={{ color: '#848E9C' }}>
-                {t('subtitle', language)}
-              </p>
+              {!simple && (
+                <p className="text-xs mono" style={{ color: '#848E9C' }}>
+                  {t('subtitle', language)}
+                </p>
+              )}
             </div>
           </div>
           
-          {/* Right - Language Toggle */}
+          {/* Right - Language Toggle (always show) */}
           <div className="flex gap-1 rounded p-1" style={{ background: '#1E2329' }}>
             <button
               onClick={() => setLanguage('zh')}
diff --git a/web/src/contexts/AuthContext.tsx b/web/src/contexts/AuthContext.tsx
index c685c4df..9b922751 100644
--- a/web/src/contexts/AuthContext.tsx
+++ b/web/src/contexts/AuthContext.tsx
@@ -137,6 +137,10 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         localStorage.setItem('auth_token', data.token);
         localStorage.setItem('auth_user', JSON.stringify(userInfo));
         
+        // 跳转到首页
+        window.history.pushState({}, '', '/');
+        window.dispatchEvent(new PopStateEvent('popstate'));
+        
         return { success: true, message: data.message };
       } else {
         return { success: false, message: data.error };
@@ -166,6 +170,10 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         localStorage.setItem('auth_token', data.token);
         localStorage.setItem('auth_user', JSON.stringify(userInfo));
         
+        // 跳转到首页
+        window.history.pushState({}, '', '/');
+        window.dispatchEvent(new PopStateEvent('popstate'));
+        
         return { success: true, message: data.message };
       } else {
         return { success: false, message: data.error };