diff --git a/src/views/MainLayout.vue b/src/views/MainLayout.vue
index 6838e740..d84e00f9 100644
--- a/src/views/MainLayout.vue
+++ b/src/views/MainLayout.vue
@@ -50,7 +50,7 @@ function getLocalStorageItem(key: string): string | null {
 
 onMounted(async () => {
   {
-    const data = await fetch("/toc.json").then((r) => r.json());
+    const data = await fetch("/manual/toc.json").then((r) => r.json());
 
     if (!!queryRole) {
       setLocalStorageItem("role", queryRole);