私人影库增加开关

src/app/private-library/page.tsx

@@ -70,9 +70,14 @@ export default function PrivateLibraryPage() {
   return (
     <PageLayout activePath='/private-library'>
       <div className='container mx-auto px-4 py-6'>
-        <h1 className='text-2xl font-bold text-gray-900 dark:text-gray-100 mb-6'>
-          私人影库
-        </h1>
+        <div className='mb-6'>
+          <h1 className='text-2xl font-bold text-gray-900 dark:text-gray-100'>
+            私人影库
+          </h1>
+          <p className='text-sm text-gray-500 dark:text-gray-400 mt-1'>
+            观看自我收藏的高清视频吧
+          </p>
+        </div>
 
         {error && (
           <div className='bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg p-4 mb-6'>