diff --git a/nonebot_plugin_chess/__init__.py b/nonebot_plugin_chess/__init__.py
index ab70cc9..7d0ec56 100644
--- a/nonebot_plugin_chess/__init__.py
+++ b/nonebot_plugin_chess/__init__.py
@@ -30,7 +30,6 @@
 )
 from nonebot_plugin_uninfo import Uninfo
 
-from . import migrations
 from .config import Config
 from .game import AiPlayer, Game, Player
 
@@ -50,10 +49,6 @@
     supported_adapters=inherit_supported_adapters(
         "nonebot_plugin_alconna", "nonebot_plugin_uninfo"
     ),
-    extra={
-        "example": "@小Q 国际象棋人机lv5\ne2e4\n结束下棋",
-        "orm_version_location": migrations,
-    },
 )
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 1d3e010..11ca02a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nonebot_plugin_chess"
-version = "0.5.1"
+version = "0.5.2"
 description = "Nonebot2 国际象棋插件"
 authors = ["meetwq <meetwq@gmail.com>"]
 license = "MIT"