diff --git a/scripts/project-doc-site.spec.ts b/scripts/project-doc-site.spec.ts
index bfba11f034..185acf2db5 100644
--- a/scripts/project-doc-site.spec.ts
+++ b/scripts/project-doc-site.spec.ts
@@ -221,7 +221,7 @@ describe('docsPages locale routes', () => {
   it('includes persistence event headings in both locale outlines', () => {
     const pages = docsPages.filter(page => page.source === 'docs/persistence-catalog.md')
     expect(pages).toHaveLength(2)
-    expect(pages.map(page => page.outline)).toEqual([[2, 4], [2, 4]])
+    expect(pages.map(page => page.outline)).toEqual(['deep', 'deep'])
   })
 })
 
diff --git a/website/docs.ts b/website/docs.ts
index 09d61d49bb..8d42ae3209 100644
--- a/website/docs.ts
+++ b/website/docs.ts
@@ -292,7 +292,7 @@ const reference = mirroredPages([
     ['docs/tool-catalog.md', 'reference/tool-catalog.md', 'Tool Schema', 'Tool schemas'],
     ['docs/cordis-catalog/services.md', 'reference/cordis-catalog/services.md', '服务', 'Services'],
     ['docs/cordis-catalog/events.md', 'reference/cordis-catalog/events.md', '事件', 'Events'],
-    ['docs/persistence-catalog.md', 'reference/persistence-catalog.md', '持久化事件', 'Persistence events', [2, 4]],
+    ['docs/persistence-catalog.md', 'reference/persistence-catalog.md', '持久化事件', 'Persistence events', 'deep'],
   ] as const).map(([source, route, rootLabel, enLabel, outline], order): MirroredPage => ({
     source,
     route,