修复长期记忆bug

rag_core/client.py

@@ -3,6 +3,7 @@ import os
 from typing import Optional
 from qdrant_client import QdrantClient
 
+
 QDRANT_URL = os.getenv("QDRANT_URL", "http://127.0.0.1:6333")
 QDRANT_API_KEY = os.getenv("QDRANT_API_KEY")
 

rag_core/store/factory.py

@@ -10,8 +10,10 @@ from typing import Optional, Tuple
 
 from langchain_core.stores import BaseStore
 from rag_core.store.postgres import PostgresDocStore
+from dotenv import load_dotenv
+load_dotenv()
 
-logger = logging.getLogger(__name__)
+logger = logging.getLogger(__name__)        
 
 # 默认连接字符串（从环境变量读取）
 DEFAULT_DB_URI = os.getenv(