diff --git a/README.md b/README.md
index 1946a92..2dcc775 100755
--- a/README.md
+++ b/README.md
@@ -216,7 +216,7 @@ Ask questions directly about your personal PDFs, documents, and any directory co
   <img src="videos/paper_clear.gif" alt="LEANN Document Search Demo" width="600">
 </p>
 
-The example below asks a question about summarizing our paper (uses default data in `examples/data`, which is a directory with diverse data sources: two papers, Pride and Prejudice, and a README in Chinese) and this is the easiest example to run here:
+The example below asks a question about summarizing our paper (uses default data in `examples/data`, which is a directory with diverse data sources: two papers, Pride and Prejudice, and a README in Chinese) and this is the **easiest example** to run here:
 
 ```bash
 source .venv/bin/activate # Don't forget to activate the virtual environment
diff --git a/examples/base_rag_example.py b/examples/base_rag_example.py
index 3d270e6..69a91ae 100644
--- a/examples/base_rag_example.py
+++ b/examples/base_rag_example.py
@@ -246,9 +246,9 @@ class BaseRAGExample(ABC):
             complexity=args.search_complexity,
         )
 
-        print(f"\n[Query] {query}")
+        print(f"\n[Query]: \033[36m{query}\033[0m")
         response = chat.ask(query, top_k=args.top_k, complexity=args.search_complexity)
-        print(f"\n[Response] {response}\n")
+        print(f"\n[Response]: \033[36m{response}\033[0m")
 
     async def run(self):
         """Main entry point for the example."""
@@ -268,6 +268,7 @@ class BaseRAGExample(ABC):
                 return
 
             index_path = await self.build_index(args, texts)
+            print(f"Index saved to: {index_path}")
         else:
             print(f"\nUsing existing index: {index_path}")
 
diff --git a/packages/leann-backend-diskann/third_party/DiskANN b/packages/leann-backend-diskann/third_party/DiskANN
index 25339b0..af2a264 160000
--- a/packages/leann-backend-diskann/third_party/DiskANN
+++ b/packages/leann-backend-diskann/third_party/DiskANN
@@ -1 +1 @@
-Subproject commit 25339b03413b5067c25b6092ea3e0f77ef8515c8
+Subproject commit af2a26481e65232b57b82d96e68833cdee9f7635