diff --git a/examples/example.pkl b/examples/example.pkl
index 7c6ab901b..eecd3ec98 100644
Binary files a/examples/example.pkl and b/examples/example.pkl differ
diff --git a/tests/metagpt/learn/test_text_to_embedding.py b/tests/metagpt/learn/test_text_to_embedding.py
index 280951ffa..f50f6a7aa 100644
--- a/tests/metagpt/learn/test_text_to_embedding.py
+++ b/tests/metagpt/learn/test_text_to_embedding.py
@@ -26,7 +26,7 @@ async def test_text_to_embedding(mocker):
     data = await aread(Path(__file__).parent / "../../data/openai/embedding.json")
     mock_response.json.return_value = json.loads(data)
     mock_post.return_value.__aenter__.return_value = mock_response
-    type(config.get_openai_llm()).proxy = mocker.PropertyMock(return_value="http://mock.proxy")
+    config.get_openai_llm().proxy = mocker.PropertyMock(return_value="http://mock.proxy")
 
     # Prerequisites
     assert config.get_openai_llm().api_key