diff --git a/frontend/public/demo.pdf b/frontend/public/demo.pdf
index 04281dc..cfc6f16 100644
Binary files a/frontend/public/demo.pdf and b/frontend/public/demo.pdf differ
diff --git a/frontend/src/components/audio.tsx b/frontend/src/components/audio.tsx
index 3592dbd..b59b798 100644
--- a/frontend/src/components/audio.tsx
+++ b/frontend/src/components/audio.tsx
@@ -27,7 +27,7 @@ export default function Audio({ audioUrl, isAudioLoading, audioError }: { audioU
   };
 
   return (
-    <div className="p-6 px-12">
+    <div className="p-2 px-12">
       <Card>
         <CardContent className="p-2 bg-[rgb(249,249,249)] rounded-xl">
           {isAudioLoading ? (
diff --git a/frontend/src/components/episode.tsx b/frontend/src/components/episode.tsx
index e716ed6..fcbdacc 100644
--- a/frontend/src/components/episode.tsx
+++ b/frontend/src/components/episode.tsx
@@ -14,7 +14,7 @@ interface EpisodeProps {
 export default function Episode({ isPodInfoLoading, podInfoError, podInfoData }: EpisodeProps) {
 
   return (
-    <div className="flex items-start bg-gradient-to-br from-blue-100 via-purple-50 to-pink-50 p-4 rounded-2xl shadow-xl shadow-gray-200/50 mx-12 my-2">
+    <div className="flex items-start bg-gradient-to-br from-blue-100 via-purple-50 to-pink-50 p-4 rounded-2xl shadow-xl shadow-gray-200/50 mx-12 mb-2 mt-4">
       <img 
         src="/cover1.png" 
         alt={podInfoData?.title || "Episode thumbnail"} 
diff --git a/frontend/src/hooks/useTaskData.ts b/frontend/src/hooks/useTaskData.ts
index a94b93e..e1b09fb 100644
--- a/frontend/src/hooks/useTaskData.ts
+++ b/frontend/src/hooks/useTaskData.ts
@@ -26,7 +26,7 @@ export function useAudioGeneration() {
       const { task_id } = await response.json();
 
       while (true) {
-        await new Promise(resolve => setTimeout(resolve, 2000));  // 等待2秒
+        await new Promise(resolve => setTimeout(resolve, 10000));
 
         const statusResponse = await fetch(`${BASE_URL}/audio_status/${task_id}`);
         const status = await statusResponse.json();