diff --git a/src/components/pages/HomePage.tsx b/src/components/pages/HomePage.tsx
index 7250a2d..b7ebffc 100644
--- a/src/components/pages/HomePage.tsx
+++ b/src/components/pages/HomePage.tsx
@@ -28,7 +28,7 @@ export function HomePage({ onNavigate }: HomePageProps) {
           }}
         />
 
-        <div className="relative max-w-2xl">
+        <div className="relative">
           <h1 className="font-display display-xl text-ink">
             你好，开始管理你的智能视频助手
           </h1>
diff --git a/src/components/pages/PlaceholderPage.tsx b/src/components/pages/PlaceholderPage.tsx
index 3e253f6..f9fe928 100644
--- a/src/components/pages/PlaceholderPage.tsx
+++ b/src/components/pages/PlaceholderPage.tsx
@@ -5,7 +5,7 @@ type PlaceholderPageProps = {
 
 export function PlaceholderPage({ title, description }: PlaceholderPageProps) {
   return (
-    <div className="mx-auto flex w-full max-w-[1180px] flex-col gap-8">
+    <div className="mx-auto flex w-full max-w-[1440px] flex-col gap-8">
       <div>
         <h1 className="font-display display-lg text-ink">{title}</h1>
         <p className="mt-3 max-w-2xl text-[15px] leading-7 text-muted-foreground">