Update customers_controller.rb

app/controllers/customers_controller.rb

@@ -95,6 +95,7 @@ class CustomersController < ApplicationController
     token = CustomerToken.where("token = ? and expires_at > ?", params[:token], Time.now)
     if token
       @issue = Issue.find token.first.issue_id
+      render :template => 'issues/show'
     else
       render :file => "public/401.html.erb", :status => :unauthorized, :layout =>true
     end