diff --git a/scripts/sidebar.ts b/scripts/sidebar.ts
index 2bc7cefd..7d400cf2 100644
--- a/scripts/sidebar.ts
+++ b/scripts/sidebar.ts
@@ -102,7 +102,7 @@ async function generateSidebar(): Promise<Record<string, SidebarItem[]>> {
                         text: displayText,
                         items: [],
                         order,
-                        collapsed: i < 2 ? false : DEFAULT_COLLAPSED,
+                        collapsed: DEFAULT_COLLAPSED,
                         // 为目录添加活动匹配模式
                         activeMatch: i === 0 ? `^/${segment}(?:/|$)` : undefined
                     };
@@ -155,4 +155,4 @@ async function getTitleFromFile(filePath: string): Promise<string> {
     return title;
 }
 
-export default generateSidebar;
\ No newline at end of file
+export default generateSidebar;