diff --git a/src/plugins/knowledge/src/ie_process.py b/src/plugins/knowledge/src/ie_process.py
index 3e53e4b2d..0bbe21698 100644
--- a/src/plugins/knowledge/src/ie_process.py
+++ b/src/plugins/knowledge/src/ie_process.py
@@ -1,6 +1,6 @@
 import json
 import time
-from typing import List
+from typing import List, Union
 
 from .global_logger import logger
 from . import prompt_template
@@ -64,7 +64,7 @@ def _rdf_triple_extract(llm_client: LLMClient, paragraph: str, entities: list) -
 
 def info_extract_from_str(
     llm_client_for_ner: LLMClient, llm_client_for_rdf: LLMClient, paragraph: str
-) -> tuple[None, None] | tuple[list[str], list[list[str]]]:
+) -> Union[tuple[None, None], tuple[list[str], list[list[str]]]]:
     try_count = 0
     while True:
         try:
diff --git a/src/plugins/knowledge/src/qa_manager.py b/src/plugins/knowledge/src/qa_manager.py
index 22460651a..9cb5c0186 100644
--- a/src/plugins/knowledge/src/qa_manager.py
+++ b/src/plugins/knowledge/src/qa_manager.py
@@ -1,5 +1,5 @@
 import time
-from typing import Tuple, List, Dict
+from typing import Tuple, List, Dict, Optional
 
 from .global_logger import logger
 
@@ -28,7 +28,7 @@ class QAManager:
             "qa": llm_client_qa,
         }
 
-    def process_query(self, question: str) -> Tuple[List[Tuple[str, float, float]], Dict[str, float] | None]:
+    def process_query(self, question: str) -> Tuple[List[Tuple[str, float, float]], Optional[Dict[str, float]]]:
         """处理查询"""
 
         # 生成问题的Embedding