diff --git a/spug_api/consumer/middleware.py b/spug_api/consumer/middleware.py
index 8d62bd4..d118bad 100644
--- a/spug_api/consumer/middleware.py
+++ b/spug_api/consumer/middleware.py
@@ -44,5 +44,5 @@ class AuthMiddleware:
             if user and x_real_ip == user.last_ip and user.token_expired >= time.time() and user.is_active:
                 scope['user'] = user
                 return True, None
-            return False, f'Verify failed: {x_real_ip} <> {user.last_ip}'
+            return False, f'Verify failed: {x_real_ip} <> {user.last_ip if user else None}'
         return False, 'Token is invalid'
diff --git a/spug_api/requirements.txt b/spug_api/requirements.txt
index c7a2c21..2b9796c 100644
--- a/spug_api/requirements.txt
+++ b/spug_api/requirements.txt
@@ -1,5 +1,6 @@
 apscheduler==3.7.0
 Django==2.2.*
+asgiref==3.2.10
 channels==2.3.1
 channels_redis==2.4.1
 paramiko==2.8.0