diff --git a/components/ChatInputBox/ChatInputBox.tsx b/components/ChatInputBox/ChatInputBox.tsx
index a5bc4e8..6926fd2 100644
--- a/components/ChatInputBox/ChatInputBox.tsx
+++ b/components/ChatInputBox/ChatInputBox.tsx
@@ -128,7 +128,7 @@ export function ChatInputBox({ noData }: { noData: boolean }) {
     resolution: "720p",
     language: "english",
     videoDuration: "1min",
-    expansion_mode: false,
+    expansion_mode: true,
   });
 
   // 从 localStorage 初始化配置