Improve a lot

none_demo/plugins/greeting.py

@@ -0,0 +1,22 @@
+from aiocqhttp import Error as CQHttpError
+
+import none
+from none.notice import NoticeSession
+
+GROUP_GREETING = (
+    '欢迎新同学 {name}[]！[CQ:face,id=63][CQ:face,id=63][CQ:face,id=63]',
+    '[CQ:face,id=99]欢迎新成员～',
+    '欢迎 {name}👏👏～',
+    '[CQ:at,qq={user_id}] 欢迎欢迎👏',
+)
+
+
+@none.on_notice('group_increase')
+async def _(session: NoticeSession):
+    try:
+        info = await session.bot.get_group_member_info(**session.ctx,
+                                                       no_cache=True)
+        name = info['card'] or info['nickname'] or '新成员'
+        await session.send_expr(GROUP_GREETING, name=name, **session.ctx)
+    except CQHttpError:
+        pass