diff --git a/README-zh.md b/README-zh.md
index aad05ae7..ccef4055 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -772,7 +772,7 @@ rag = LightRAG(
   create INDEX CONCURRENTLY entity_idx_node_id ON dickens."Entity" (ag_catalog.agtype_access_operator(properties, '"node_id"'::agtype));
   CREATE INDEX CONCURRENTLY entity_node_id_gin_idx ON dickens."Entity" using gin(properties);
   ALTER TABLE dickens."DIRECTED" CLUSTER ON directed_sid_idx;
-  
+
   -- 如有必要可以删除
   drop INDEX entity_p_idx;
   drop INDEX vertex_p_idx;
diff --git a/README.md b/README.md
index 0fadf32c..c15c5dad 100644
--- a/README.md
+++ b/README.md
@@ -765,7 +765,7 @@ For production level scenarios you will most likely want to leverage an enterpri
   create INDEX CONCURRENTLY entity_idx_node_id ON dickens."Entity" (ag_catalog.agtype_access_operator(properties, '"node_id"'::agtype));
   CREATE INDEX CONCURRENTLY entity_node_id_gin_idx ON dickens."Entity" using gin(properties);
   ALTER TABLE dickens."DIRECTED" CLUSTER ON directed_sid_idx;
-  
+
   -- drop if necessary
   drop INDEX entity_p_idx;
   drop INDEX vertex_p_idx;
diff --git a/lightrag/api/utils_api.py b/lightrag/api/utils_api.py
index 0541fd59..cb391174 100644
--- a/lightrag/api/utils_api.py
+++ b/lightrag/api/utils_api.py
@@ -136,7 +136,7 @@ def get_combined_auth_dependency(api_key: Optional[str] = None):
 
         ### Authentication failed ####
 
-        # if password authentication is configured but not provided, ensure 401 error if auth_configured 
+        # if password authentication is configured but not provided, ensure 401 error if auth_configured
         if auth_configured and not token:
             raise HTTPException(
                 status_code=status.HTTP_401_UNAUTHORIZED,
@@ -149,7 +149,7 @@ def get_combined_auth_dependency(api_key: Optional[str] = None):
                 status_code=HTTP_403_FORBIDDEN,
                 detail="Invalid API Key",
             )
-        
+
         # if api_key_configured but not provided
         if api_key_configured and not api_key_header_value:
             raise HTTPException(