diff --git a/src/client/theme-default/composables/sidebar.ts b/src/client/theme-default/composables/sidebar.ts
index 7baedde4..123fe9cc 100644
--- a/src/client/theme-default/composables/sidebar.ts
+++ b/src/client/theme-default/composables/sidebar.ts
@@ -10,7 +10,8 @@ export function useSidebar() {
 
   const sidebar = computed(() => {
     const sidebarConfig = theme.value.sidebar
-    return sidebarConfig ? getSidebar(sidebarConfig, route.path) : []
+    const relativePath = route.data.relativePath
+    return sidebarConfig ? getSidebar(sidebarConfig, relativePath) : []
   })
 
   const hasSidebar = computed(() => {