diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..093f9cf
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,142 @@
+import json
+import random
+import asyncio
+from datetime import datetime, timedelta
+from nonebot import on_notice, on_message, get_bot
+from nonebot.adapters.onebot.v11 import (
+    GroupIncreaseNoticeEvent,
+    MessageEvent,
+    Message,
+    Bot,
+)
+from nonebot.permission import SUPERUSER
+
+BAN_FILE = "zhenxun/plugins/nb_new/ban.json"
+GROUP_FILE = "zhenxun/plugins/nb_new/group.json"
+VERIFY_TIMEOUT = 300  # 5分钟
+LEVEL_LIMIT = 20  # QQ等级限制
+
+# 内存缓存
+verify_data = {}  # user_id -> {"code": xxx, "group_id": xxx, "expire": time}
+
+# 初始化配置文件
+def load_json(path, default):
+    try:
+        with open(path, "r", encoding="utf-8") as f:
+            return json.load(f)
+    except:
+        with open(path, "w", encoding="utf-8") as f:
+            json.dump(default, f, indent=2, ensure_ascii=False)
+        return default
+
+
+def save_json(path, data):
+    with open(path, "w", encoding="utf-8") as f:
+        json.dump(data, f, indent=2, ensure_ascii=False)
+
+
+ban_list = load_json(BAN_FILE, [])
+group_list = load_json(GROUP_FILE, [记得改成要启用的群聊])  # 默认群
+
+# 新人进群事件
+new_member = on_notice(priority=5, block=False)
+
+
+@new_member.handle()
+async def _(bot: Bot, event: GroupIncreaseNoticeEvent):
+    user_id = event.user_id
+    group_id = event.group_id
+
+    if group_id not in group_list:
+        return
+
+    # 如果在ban名单中
+    if user_id in ban_list:
+        await bot.call_api("set_group_kick", group_id=group_id, user_id=user_id)
+        return
+
+    # 检查QQ等级
+    try:
+        profile = await bot.get_stranger_info(user_id=user_id, no_cache=True)
+        level = profile.get("level", 0)
+        if level < LEVEL_LIMIT:
+            await bot.call_api("set_group_kick", group_id=group_id, user_id=user_id)
+            return
+    except:
+        pass
+
+    # 禁言
+    await bot.call_api("set_group_ban", group_id=group_id, user_id=user_id, duration=3600)
+
+    # 生成验证码
+    code = str(random.randint(100000, 999999))
+    verify_data[user_id] = {
+        "code": code,
+        "group_id": group_id,
+        "expire": datetime.now() + timedelta(seconds=VERIFY_TIMEOUT),
+    }
+
+    try:
+        await bot.send_private_msg(user_id=user_id, message=f"请在5分钟内回复验证码：{code}\n回复错误或超时将被踢出群聊。")
+    except:
+        await bot.send_group_msg(group_id=group_id, message=f"[CQ:at,qq={user_id}] 请在私聊完成验证")
+
+
+# 私聊消息监听
+verify_reply = on_message(priority=5, block=False)
+
+
+@verify_reply.handle()
+async def _(bot: Bot, event: MessageEvent):
+    user_id = event.user_id
+    msg = str(event.get_message()).strip()
+
+    if user_id not in verify_data:
+        return
+
+    data = verify_data[user_id]
+    group_id = data["group_id"]
+    correct_code = data["code"]
+
+    # 超时
+    if datetime.now() > data["expire"]:
+        await bot.call_api("set_group_kick", group_id=group_id, user_id=user_id)
+        ban_list.append(user_id)
+        save_json(BAN_FILE, ban_list)
+        verify_data.pop(user_id, None)
+        return
+
+    # 验证
+    if msg == correct_code:
+        await bot.call_api("set_group_ban", group_id=group_id, user_id=user_id, duration=0)
+        await bot.send_group_msg(group_id=group_id, message=f"[CQ:at,qq={user_id}] 验证成功，欢迎加入群聊")
+        verify_data.pop(user_id, None)
+    else:
+        await bot.call_api("set_group_kick", group_id=group_id, user_id=user_id)
+        ban_list.append(user_id)
+        save_json(BAN_FILE, ban_list)
+        verify_data.pop(user_id, None)
+
+
+# 定时任务：清理超时
+async def check_timeout(bot: Bot):
+    while True:
+        now = datetime.now()
+        to_remove = []
+        for uid, data in verify_data.items():
+            if now > data["expire"]:
+                try:
+                    await bot.call_api("set_group_kick", group_id=data["group_id"], user_id=uid)
+                except:
+                    pass
+                ban_list.append(uid)
+                save_json(BAN_FILE, ban_list)
+                to_remove.append(uid)
+        for uid in to_remove:
+            verify_data.pop(uid, None)
+        await asyncio.sleep(60)
+
+
+@new_member.handle()
+async def start_check(bot: Bot, event: GroupIncreaseNoticeEvent):
+    asyncio.create_task(check_timeout(bot))