diff --git a/uncloud/requirements.txt b/uncloud/requirements.txt
index 1b4e05b..c8a15d3 100644
--- a/uncloud/requirements.txt
+++ b/uncloud/requirements.txt
@@ -4,3 +4,5 @@ django-auth-ldap
 stripe
 xmltodict
 psycopg2
+
+parsedatetime
diff --git a/uncloud/uncloud/settings.py b/uncloud/uncloud/settings.py
index cc0ec3a..99cf7a1 100644
--- a/uncloud/uncloud/settings.py
+++ b/uncloud/uncloud/settings.py
@@ -57,6 +57,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django_extensions',
     'rest_framework',
     'uncloud_pay',
     'uncloud_auth',