diff --git a/website/docs/tutorial/plugin/create-handler.md b/website/docs/tutorial/plugin/create-handler.md
index c71706d9..758bd8f3 100644
--- a/website/docs/tutorial/plugin/create-handler.md
+++ b/website/docs/tutorial/plugin/create-handler.md
@@ -168,7 +168,7 @@ async def _(foo: str = EventType()): ...
 from nonebot.adapters import Message
 from nonebot.params import EventMessage
 
-async def _(foo: str = EventMessage()): ...
+async def _(foo: Message = EventMessage()): ...
 ```
 
 ### EventPlainText
diff --git a/website/versioned_docs/version-2.0.0-beta.4/tutorial/plugin/create-handler.md b/website/versioned_docs/version-2.0.0-beta.4/tutorial/plugin/create-handler.md
index c71706d9..758bd8f3 100644
--- a/website/versioned_docs/version-2.0.0-beta.4/tutorial/plugin/create-handler.md
+++ b/website/versioned_docs/version-2.0.0-beta.4/tutorial/plugin/create-handler.md
@@ -168,7 +168,7 @@ async def _(foo: str = EventType()): ...
 from nonebot.adapters import Message
 from nonebot.params import EventMessage
 
-async def _(foo: str = EventMessage()): ...
+async def _(foo: Message = EventMessage()): ...
 ```
 
 ### EventPlainText