Change

app/controllers/concerns/login_helper.rb

@@ -18,7 +18,7 @@ module LoginHelper
       :path => '/',
       :secure => false,
       :httponly => false,
-      :domain => "/"
+      :domain => "123.59.135.93"
     }
     # if edu_setting('cookie_domain').present?
     #   cookie_options = cookie_options.merge(domain: edu_setting('cookie_domain'))