diff --git a/konabot/plugins/kona_ph/__init__.py b/konabot/plugins/kona_ph/__init__.py
index 7e02316..ca9da4d 100644
--- a/konabot/plugins/kona_ph/__init__.py
+++ b/konabot/plugins/kona_ph/__init__.py
@@ -5,6 +5,7 @@ from math import ceil
 from loguru import logger
 from nonebot import on_message
 import nonebot
+from nonebot.rule import to_me
 from nonebot_plugin_alconna import (Alconna, Args, UniMessage, UniMsg,
                                     on_alconna)
 from nonebot_plugin_apscheduler import scheduler
@@ -15,7 +16,7 @@ from konabot.plugins.kona_ph.core.message import (get_daily_report,
                                                   get_puzzle_description,
                                                   get_submission_message)
 from konabot.plugins.kona_ph.core.storage import get_today_date
-from konabot.plugins.kona_ph.manager import (PUZZLE_PAGE_SIZE, config,
+from konabot.plugins.kona_ph.manager import (PUZZLE_PAGE_SIZE,
                                              create_admin_commands,
                                              puzzle_manager)
 from konabot.plugins.poster.poster_info import PosterInfo, register_poster_info
@@ -28,15 +29,7 @@ register_poster_info("每日谜题", info=PosterInfo(
 ))
 
 
-async def is_play_group(target: DepLongTaskTarget):
-    if target.is_private_chat:
-        return True
-    if target.channel_id in config.plugin_puzzle_playgroup:
-        return True
-    return False
-
-
-cmd_submit = on_message(rule=is_play_group)
+cmd_submit = on_message(rule=to_me())
 
 
 @cmd_submit.handle()
@@ -58,7 +51,7 @@ async def _(msg: UniMsg, target: DepLongTaskTarget):
 
 cmd_query = on_alconna(Alconna(
     r"re:(?:((?:(?:所以|话)说?)?今天的题目是什么[啊呀哇呢]?(?:\?？)?)|今日谜?题目?)"
-), rule=is_play_group)
+), rule=to_me())
 
 @cmd_query.handle()
 async def _(target: DepLongTaskTarget):
@@ -71,7 +64,7 @@ async def _(target: DepLongTaskTarget):
 
 cmd_query_submission = on_alconna(Alconna(
     "今日答题情况"
-), rule=is_play_group)
+), rule=to_me())
 
 @cmd_query_submission.handle()
 async def _(target: DepLongTaskTarget):
@@ -86,7 +79,7 @@ cmd_history = on_alconna(Alconna(
     "历史题目",
     Args["page?", int],
     Args["index_id?", str],
-), rule=is_play_group)
+), rule=to_me())
 
 @cmd_history.handle()
 async def _(target: DepLongTaskTarget, index_id: str = "", page: int = 1):