diff --git a/nonebot_plugin_shorturl/__init__.py b/nonebot_plugin_shorturl/__init__.py
index 0e04d0c..6d976c3 100644
--- a/nonebot_plugin_shorturl/__init__.py
+++ b/nonebot_plugin_shorturl/__init__.py
@@ -4,12 +4,12 @@
 from nonebot.drivers import ASGIMixin
 from nonebot.plugin import PluginMetadata
 from fastapi.responses import RedirectResponse
-from nonebot import logger, get_app, get_driver
+from nonebot import logger, get_app, get_driver, get_plugin_config
 
 from .config import Config
 
 driver = get_driver()
-plugin_config = Config.parse_obj(driver.config)
+plugin_config = get_plugin_config(Config)
 
 from .provider import get_provider
 from .provider import ShortURL as ShortURL
diff --git a/nonebot_plugin_shorturl/provider/__init__.py b/nonebot_plugin_shorturl/provider/__init__.py
index c003dd5..7978b0c 100644
--- a/nonebot_plugin_shorturl/provider/__init__.py
+++ b/nonebot_plugin_shorturl/provider/__init__.py
@@ -65,6 +65,6 @@ async def to_url(self) -> str:
         token = await get_provider().store(self.url)
 
         return urljoin(
-            plugin_config.shorturl_host,
+            str(plugin_config.shorturl_host),
             plugin_config.shorturl_endpoint.format(token=token),
         )