diff --git a/docs/sphinx_doc/en/source/tutorial/203-stream.md b/docs/sphinx_doc/en/source/tutorial/203-stream.md
index 3a61ee121..ef154c745 100644
--- a/docs/sphinx_doc/en/source/tutorial/203-stream.md
+++ b/docs/sphinx_doc/en/source/tutorial/203-stream.md
@@ -61,6 +61,7 @@ After printing the streaming response, the full text of the response will be ava
 ```python
     def reply(self, x: Optional[Msg, Sequence[Msg]] = None) -> Msg:
         # ...
+        # Use stream=True if you want to set up streaming mode in model calling
         response = self.model(prompt)
 
         # For now, the response.text is None
diff --git a/docs/sphinx_doc/zh_CN/source/tutorial/203-stream.md b/docs/sphinx_doc/zh_CN/source/tutorial/203-stream.md
index 4bbc4493a..82df56371 100644
--- a/docs/sphinx_doc/zh_CN/source/tutorial/203-stream.md
+++ b/docs/sphinx_doc/zh_CN/source/tutorial/203-stream.md
@@ -58,6 +58,7 @@ class MyAgent(AgentBase):
 ```python
     def reply(self, x: Optional[Msg, Sequence[Msg]] = None) -> Msg:
         # ...
+        # 如果想在调用时使用流式打印，在这里调用时使用 stream=True
         response = self.model(prompt)
 
         # 程序运行到这里时，response.text 为 None