diff --git a/requirements/dev.in b/requirements/dev.in
index 11298cdfe099ce3d525ddd0f3f65987b00593258..12cbf7aaba4e9fb571198d10fa7f04e00265b534 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -11,7 +11,7 @@ celery[redis]>=5.0.5
 SQLAlchemy>=1.4.15
 memcache>=0.5.1
 PyMySQL>=1.0.2
-psycopg2-binary>=2.8.6
+# psycopg2-binary>=2.8.6
 wget>=3.2
 pyecharts>=1.9.0
 pyecharts-extras>=0.0.5
diff --git a/src/database.py b/src/database.py
index 5f34eeb5e25b2e1d07ce87efd3c6d0b0134a1ec3..215ee2add621c793f93fba504d2b25f9c5b37356 100644
--- a/src/database.py
+++ b/src/database.py
@@ -44,6 +44,7 @@ def create_app():
     login_manager.login_view = 'usr.login'
     login_manager.init_app(my_app)
     my_app.config.from_object("config")
+    # my_db_url = 'postgresql+psycopg2://{user}:{pw}@{url}/{db}'.format(
     my_db_url = 'postgresql+psycopg2://{user}:{pw}@{url}/{db}'.format(
         user=my_app.config['SQLALCHEMY_DATABASE_USER'],
         pw=my_app.config['SQLALCHEMY_DATABASE_PW'],