diff --git a/lightrag/kg/__init__.py b/lightrag/kg/__init__.py
index b917bfa0..45115c11 100644
--- a/lightrag/kg/__init__.py
+++ b/lightrag/kg/__init__.py
@@ -2,10 +2,10 @@ STORAGE_IMPLEMENTATIONS = {
     "KV_STORAGE": {
         "implementations": [
             "JsonKVStorage",
-            "MongoKVStorage",
             "RedisKVStorage",
-            # "TiDBKVStorage",
             "PGKVStorage",
+            "MongoKVStorage",
+            # "TiDBKVStorage",
         ],
         "required_methods": ["get_by_id", "upsert"],
     },
@@ -13,11 +13,11 @@ STORAGE_IMPLEMENTATIONS = {
         "implementations": [
             "NetworkXStorage",
             "Neo4JStorage",
+            "PGGraphStorage",
+            "AGEStorage",
             # "MongoGraphStorage",
             # "TiDBGraphStorage",
-            "AGEStorage",
             # "GremlinStorage",
-            "PGGraphStorage",
         ],
         "required_methods": ["upsert_node", "upsert_edge"],
     },
@@ -26,11 +26,11 @@ STORAGE_IMPLEMENTATIONS = {
             "NanoVectorDBStorage",
             "MilvusVectorDBStorage",
             "ChromaVectorDBStorage",
-            # "TiDBVectorDBStorage",
             "PGVectorStorage",
             "FaissVectorDBStorage",
             "QdrantVectorDBStorage",
             "MongoVectorDBStorage",
+            # "TiDBVectorDBStorage",
         ],
         "required_methods": ["query", "upsert"],
     },