diff --git a/docs/.vitepress/config/en.ts b/docs/.vitepress/config/en.ts
index c65de7373..e07fe11dd 100644
--- a/docs/.vitepress/config/en.ts
+++ b/docs/.vitepress/config/en.ts
@@ -28,6 +28,7 @@ export const enConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
             indexName: 'cz-git',
             searchParameters: {
                 facetFilters: ['lang:en-US'],
+                attributesToHighlight: ['hierarchy.lvl0'],
             },
         },
         footer: {
diff --git a/docs/.vitepress/config/zh.ts b/docs/.vitepress/config/zh.ts
index 50684b0b3..86b40a411 100644
--- a/docs/.vitepress/config/zh.ts
+++ b/docs/.vitepress/config/zh.ts
@@ -34,6 +34,7 @@ export const zhConfig: LocaleSpecificConfig<DefaultTheme.Config> = {
             },
             searchParameters: {
                 facetFilters: ['lang:zh-CN'],
+                attributesToHighlight: ['hierarchy.lvl0'],
             },
         },
         footer: {