From 58a0c717e358133c6d50db115fb571309ada89a8 Mon Sep 17 00:00:00 2001
From: K2cr2O1 <2221577113@qq.com>
Date: Fri, 27 Feb 2026 14:42:12 +0800
Subject: [PATCH] =?UTF-8?q?feat(plugins):=20=E6=B7=BB=E5=8A=A0=E5=85=A5?=
 =?UTF-8?q?=E7=BE=A4=E6=8F=90=E9=86=92=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

当机器人加入新群时自动发送欢迎消息，包含作者信息和用途说明
---
 plugins/group_welcome.py | 44 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 plugins/group_welcome.py

diff --git a/plugins/group_welcome.py b/plugins/group_welcome.py
new file mode 100644
index 0000000..033c315
--- /dev/null
+++ b/plugins/group_welcome.py
@@ -0,0 +1,44 @@
+"""
+入群提醒插件
+
+在机器人加入群时发送提醒消息，包含作者信息和用途说明。
+"""
+from core.managers.command_manager import matcher
+from core.bot import Bot
+from models.events.notice import GroupIncreaseNoticeEvent
+from models.message import MessageSegment
+
+__plugin_meta__ = {
+    "name": "入群提醒",
+    "description": "机器人加入群时发送提醒消息",
+    "usage": "自动触发，无需手动操作"
+}
+
+@matcher.on_notice(notice_type="group_increase")
+async def handle_group_increase(bot: Bot, event: GroupIncreaseNoticeEvent):
+    """
+    处理群成员增加事件，当机器人加入群时发送提醒
+
+    :param bot: Bot实例
+    :param event: 群成员增加事件对象
+    """
+    if event.user_id != event.self_id:
+        return
+    
+    welcome_message = (
+        f"我已加入本群！👋\n"
+        f"\n"
+        f"作者QQ号：2221577113\n"
+        f"作者：镀铬酸钾\n"
+        f"\n"
+        f"用途：/help"
+        f"by TOS team"
+    )
+    
+    try:
+        await bot.send(
+            event,
+            MessageSegment.text(welcome_message)
+        )
+    except Exception as e:
+        print(f"[入群提醒] 发送提醒消息失败: {e}")