diff --git a/src/components/ApiDocViewer.tsx b/src/components/ApiDocViewer.tsx
index fd0b537..073df2d 100644
--- a/src/components/ApiDocViewer.tsx
+++ b/src/components/ApiDocViewer.tsx
@@ -106,8 +106,9 @@ export const ApiDocViewer = ({ onDocsPathChange, showAddModal, onCloseAddModal }
   }, [externalDocs])
 
   const handleFolderClick = useCallback((folderPath: string) => {
-    const sameNamePath = `${folderPath}/${folderPath}.md`
-    const sameNameDoc = externalDocs.find(d => d.relativePath === sameNamePath)
+    const sameNameDoc = externalDocs.find(d =>
+      d.relativePath.endsWith(`/${folderPath}.md`)
+    )
     
     if (sameNameDoc) {
       setSelectedPath(sameNameDoc.relativePath.replace(/^api\//, ''))