添加热重载，优化readme

base_plugins/echo.py

@@ -23,3 +23,18 @@ async def handle_echo(bot: Bot, event: MessageEvent, args: list[str]):
         reply_msg = " ".join(args)
 
     await event.reply(reply_msg)
+
+@matcher.command("poke")
+async def handle_poke(bot: Bot, event: MessageEvent, args: list[str]):
+    """
+    处理 echo 指令，原样回复用户输入的内容
+
+    :param bot: Bot 实例
+    :param event: 消息事件对象
+    :param args: 指令参数列表
+    """
+
+    await bot.call_api("group_poke", {
+        "group_id": event.group_id,
+        "user_id": event.user_id
+    })