diff --git a/nonebot/typing.py b/nonebot/typing.py
index 486549cb..121ef6d5 100644
--- a/nonebot/typing.py
+++ b/nonebot/typing.py
@@ -1,5 +1,6 @@
 from typing import Union, List, Dict, Any, Sequence, Callable, Tuple, Awaitable
 
+Context_T = Dict[str, Any]
 Message_T = Union[str, Dict[str, Any], List[Dict[str, Any]]]
 Expression_T = Union[str, Sequence[str], Callable]
 CommandName_T = Tuple[str, ...]