diff --git a/sophon/settings.py b/sophon/settings.py
index 6e3d03a..c7213eb 100644
--- a/sophon/settings.py
+++ b/sophon/settings.py
@@ -39,6 +39,7 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'rest_framework',
+    'sophon.core',
 ]
 
 MIDDLEWARE = [