optimize db connection and knowledge QA

pilot/base_modules/meta_data/meta_data.py

@@ -58,7 +58,7 @@ if CFG.LOCAL_DB_TYPE == "mysql":
         + CFG.LOCAL_DB_HOST
         + ":"
         + str(CFG.LOCAL_DB_PORT)
-        + f"/{db_name}"
+        + f"/{db_name}", pool_pre_ping=True, pool_recycle=300
     )
 else:
     engine = create_engine(f"sqlite:///{db_path}")

pilot/openapi/api_v1/api_v1.py

@@ -120,9 +120,9 @@ def knowledge_list_info():
     return params
 
 
-def knowledge_list():
+def knowledge_list(user_id: str = None):
     """return knowledge space list"""
-    request = KnowledgeSpaceRequest()
+    request = KnowledgeSpaceRequest(user_id=user_id)
     spaces = knowledge_service.get_knowledge_space(request)
     space_list = []
     for space in spaces:
@@ -287,9 +287,9 @@ async def params_list(chat_mode: str = ChatScene.ChatNormal.value(), user_token:
     elif ChatScene.ChatExecution.value() == chat_mode:
         result = plugins_select_info()
     elif ChatScene.ChatKnowledge.value() == chat_mode:
-        result = knowledge_list()
+        result = knowledge_list(user_id=user_token.user_id)
     elif ChatScene.ChatKnowledge.ExtractRefineSummary.value() == chat_mode:
-        result = knowledge_list()
+        result = knowledge_list(user_id=user_token.user_id)
     else:
         return Result.succ(None)
     return Result.succ(result)