fix bugs
diff --git a/plstackapi/planetstack/api/sites.py b/plstackapi/planetstack/api/sites.py
index cbdc136..b9899a7 100644
--- a/plstackapi/planetstack/api/sites.py
+++ b/plstackapi/planetstack/api/sites.py
@@ -15,9 +15,9 @@
     site.save()
     return site
 
-def update_site(auth, login_base, **fields):
+def update_site(auth, id, **fields):
     driver = OpenStackDriver(client = auth_check(auth))
-    sites = Site.objects.filter(login_base=login_base)
+    sites = Site.objects.filter(id=id)
     if not sites:
         return