diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 83e35d7..1202687 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -46,7 +46,7 @@ jobs:
       matrix:
         os: [ubuntu-20.04, ubuntu-latest]
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
-        exclude: 
+        exclude:
            - os: ubuntu-latest
              python-version: "3.6"
            - os: ubuntu-20.04
diff --git a/ruia_peewee_async/__init__.py b/ruia_peewee_async/__init__.py
index bc897e5..d310e7b 100644
--- a/ruia_peewee_async/__init__.py
+++ b/ruia_peewee_async/__init__.py
@@ -392,7 +392,6 @@ def after_start(**kwargs):
     mysql, mysql_model, postgres, postgres_model = check_config(kwargs)
 
     async def init_after_start(spider_ins):
-
         if mysql and mysql_model:
             spider_ins.mysql_config = mysql
             # spider_ins.mysql_model = mysql_model