diff --git a/base_plugins/echo.py b/base_plugins/echo.py
index 28e287c..5a18575 100644
--- a/base_plugins/echo.py
+++ b/base_plugins/echo.py
@@ -1,9 +1,12 @@
 from core.command_manager import matcher
 
+from ..core.ws import WS
+from ..models.event import Event
+
 
 # TODO 把该死的这些给抽象化
 @matcher.command("echo")
-async def handle_echo(bot, event, args):
+async def handle_echo(bot: WS, event: Event, args: list[str]):
     if not args:
         reply_msg = "请在指令后输入要回复的内容，例如：/echo 你好"
     else: