Nginx control domain 301 Jump appears "This page contains redirect loops"

I need to site domain name Permanent 301 Redirect, when the user visited tqcto.com, 301 to Www.tqcto.com, referring to a lot of configuration data, have appeared "this page contains redirect loop" problem, after trying many times, found that the following configuration is to solve the problem

server_name www.tqcto.com tqcto.com; if ($host! = ' www.tqcto.com ') {rewrite ^/(. *) $ http://www.tqcto.com/$1 permanent;}
Original link: http://www.tqcto.com/article/recommend/61.html

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

Nginx control domain 301 Jump appears "This page contains redirect loops"