diff --git a/app.config.ts b/app.config.ts
index 2b0cbdf5..7910f827 100644
--- a/app.config.ts
+++ b/app.config.ts
@@ -68,6 +68,7 @@ export default defineAppConfig({
     aside: {
       useLevel: true,
       collapse: false,
+      collapseLevel: 1,
       folderStyle: 'default',
     },
     main: {
diff --git a/components/layout/AsideTreeItem.vue b/components/layout/AsideTreeItem.vue
index f1f21bc8..24afd08f 100644
--- a/components/layout/AsideTreeItem.vue
+++ b/components/layout/AsideTreeItem.vue
@@ -85,7 +85,7 @@ const { link, level } = defineProps<{
   level: number;
 }>();
 
-const { collapse, folderStyle: defaultFolderStyle } = useConfig().value.aside;
+const { collapse, collapseLevel, folderStyle: defaultFolderStyle } = useConfig().value.aside;
 
 const collapsed = useCollapsedMap();
 const isOpen = ref(collapsed.value.get(link._path) || defaultOpen());
@@ -94,7 +94,7 @@ function defaultOpen() {
   if (link.collapse !== undefined)
     return !link.collapse;
 
-  return level < 1 && !collapse;
+  return level < collapseLevel && !collapse;
 }
 
 watch(isOpen, (v) => {
diff --git a/composables/useConfig.ts b/composables/useConfig.ts
index e7153f78..2220177d 100644
--- a/composables/useConfig.ts
+++ b/composables/useConfig.ts
@@ -29,6 +29,7 @@ const defaultConfig: DefaultConfig = {
   aside: {
     useLevel: true,
     collapse: false,
+    collapseLevel: 1,
     folderStyle: 'default',
   },
   main: {
diff --git a/content/3.api/1.configuration/1.shadcn-docs.md b/content/3.api/1.configuration/1.shadcn-docs.md
index 01741106..8bdc737c 100644
--- a/content/3.api/1.configuration/1.shadcn-docs.md
+++ b/content/3.api/1.configuration/1.shadcn-docs.md
@@ -121,6 +121,9 @@ All configurable icons can be set to iconify icons, emojis and urls, using [smar
   ::field{name="collapse" type="boolean" defaultValue="false"}
   Whether to collapse all collapsible by default.
   ::
+  ::field{name="collapseLevel" type="number" defaultValue="1"}
+  Collapse folders that are deeper than the defined level. (Set it to `Infinity` if you want to expand all)
+  ::
   ::field{name="folderStyle" type="'default' | 'tree' | 'group'" defaultValue="default"}
   The default style used for [folders](/getting-started/writing/folders#parameters).
   ::
@@ -232,6 +235,7 @@ const defaultConfig: DefaultConfig = {
   aside: {
     useLevel: true,
     collapse: false,
+    collapseLevel: 1,
     folderStyle: 'default',
   },
   main: {
diff --git a/types/index.d.ts b/types/index.d.ts
index 1dbb1682..8195b70e 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -41,6 +41,7 @@ interface DefaultConfig {
   aside: {
     useLevel: boolean;
     collapse: boolean;
+    collapseLevel: number;
     folderStyle: 'default' | 'tree' | 'group';
   };
   main: {