diff --git a/lightrag/api/__init__.py b/lightrag/api/__init__.py
index fd9cc386..3b193df9 100644
--- a/lightrag/api/__init__.py
+++ b/lightrag/api/__init__.py
@@ -1 +1 @@
-__api_version__ = "0166"
+__api_version__ = "0167"
diff --git a/lightrag/lightrag.py b/lightrag/lightrag.py
index e078a7e9..e9cb0926 100644
--- a/lightrag/lightrag.py
+++ b/lightrag/lightrag.py
@@ -390,6 +390,8 @@ class LightRAG:
             ),
             embedding_func=self.embedding_func,
         )
+
+        # TODO: deprecating, text_chunks is redundant with chunks_vdb
         self.text_chunks: BaseKVStorage = self.key_string_value_json_storage_cls(  # type: ignore
             namespace=make_namespace(
                 self.namespace_prefix, NameSpace.KV_STORE_TEXT_CHUNKS
diff --git a/lightrag/operate.py b/lightrag/operate.py
index 2363d5eb..d5ff0a0c 100644
--- a/lightrag/operate.py
+++ b/lightrag/operate.py
@@ -1213,15 +1213,12 @@ async def mix_kg_vector_query(
             if not results:
                 return None
 
-            chunks_ids = [r["id"] for r in results]
-            chunks = await text_chunks_db.get_by_ids(chunks_ids)
-
             valid_chunks = []
-            for chunk, result in zip(chunks, results):
-                if chunk is not None and "content" in chunk:
-                    # Merge chunk content and time metadata
+            for result in results:
+                if "content" in result:
+                    # Directly use content from chunks_vdb.query result
                     chunk_with_time = {
-                        "content": chunk["content"],
+                        "content": result["content"],
                         "created_at": result.get("created_at", None),
                         "file_path": result.get("file_path", None),
                     }
@@ -1256,9 +1253,9 @@ async def mix_kg_vector_query(
                 formatted_chunks.append(chunk_text)
 
             logger.debug(
-                f"Truncate chunks from {len(chunks)} to {len(formatted_chunks)} (max tokens:{query_param.max_token_for_text_unit})"
+                f"Truncate chunks from {len(valid_chunks)} to {len(formatted_chunks)} (max tokens:{query_param.max_token_for_text_unit})"
             )
-            return "\n--New Chunk--\n".join(formatted_chunks)
+            return "\n\n--New Chunk--\n".join(formatted_chunks)
         except Exception as e:
             logger.error(f"Error in get_vector_context: {e}")
             return None
@@ -2052,13 +2049,7 @@ async def naive_query(
     if not len(results):
         return PROMPTS["fail_response"]
 
-    chunks_ids = [r["id"] for r in results]
-    chunks = await text_chunks_db.get_by_ids(chunks_ids)
-
-    # Filter out invalid chunks
-    valid_chunks = [
-        chunk for chunk in chunks if chunk is not None and "content" in chunk
-    ]
+    valid_chunks = [result for result in results if "content" in result]
 
     if not valid_chunks:
         logger.warning("No valid chunks found after filtering")
@@ -2077,13 +2068,13 @@ async def naive_query(
         return PROMPTS["fail_response"]
 
     logger.debug(
-        f"Truncate chunks from {len(chunks)} to {len(maybe_trun_chunks)} (max tokens:{query_param.max_token_for_text_unit})"
+        f"Truncate chunks from {len(valid_chunks)} to {len(maybe_trun_chunks)} (max tokens:{query_param.max_token_for_text_unit})"
     )
     logger.info(
         f"Naive query: {len(maybe_trun_chunks)} chunks, top_k: {query_param.top_k}"
     )
 
-    section = "\n--New Chunk--\n".join(
+    section = "\n\n--New Chunk--\n".join(
         [
             "File path: " + c["file_path"] + "\n" + c["content"]
             for c in maybe_trun_chunks