diff --git a/components/PageHeader.tsx b/components/PageHeader.tsx
index 13481a1..b08050d 100644
--- a/components/PageHeader.tsx
+++ b/components/PageHeader.tsx
@@ -1,5 +1,6 @@
 import { alpha, Box, Stack, SxProps, Theme, Typography, useTheme } from '@mui/material';
-import { ReactNode } from 'react';
+import { ReactNode, useMemo } from 'react';
+import { getEntryPointType } from '@/config/features';
 
 /**
  * PageHeader 组件属性接口
@@ -64,6 +65,11 @@ export default function PageHeader({
 }: PageHeaderProps) {
   const theme = useTheme();
   const resolvedIconColor = iconColor ?? theme.palette.primary.main;
+  const entryPointType = useMemo(() => getEntryPointType(), []);
+
+  if (entryPointType === 'popup') {
+    return null;
+  }
 
   return (
     <Stack direction="row" spacing={1.5} alignItems="center" sx={{ mb: 2.5, ...sx }}>
diff --git a/components/__tests__/PageHeader.test.tsx b/components/__tests__/PageHeader.test.tsx
index e567199..00908df 100644
--- a/components/__tests__/PageHeader.test.tsx
+++ b/components/__tests__/PageHeader.test.tsx
@@ -5,6 +5,10 @@ import { render, screen } from '@testing-library/react';
 import { ThemeProvider, createTheme } from '@mui/material/styles';
 import PageHeader, { type PageHeaderProps } from '@/components/PageHeader';
 
+vi.mock('@/config/features', () => ({
+  getEntryPointType: vi.fn(() => 'sidepanel'),
+}));
+
 const theme = createTheme();
 
 function renderWithTheme(ui: React.ReactElement) {
@@ -117,4 +121,14 @@ describe('PageHeader 组件系统', () => {
       expect(outerElement).toBeTruthy();
     });
   });
+
+  describe('PageHeader 入口点隐藏', () => {
+    it('popup 模式下应返回 null', async () => {
+      const { getEntryPointType } = await import('@/config/features');
+      vi.mocked(getEntryPointType).mockReturnValue('popup');
+
+      const { container } = renderWithTheme(<PageHeader {...defaultProps} />);
+      expect(container.innerHTML).toBe('');
+    });
+  });
 });