gitlab - 10.6.3,经常会出现403 forbidden

version: 10.6.3
error: 403 forbidden
已尝试过如下配置,均不好使

gitlab_rails['rack_attack_git_basic_auth'] = {
  'enabled' => true,
  'maxretry' => 100000,
  'findtime' => 60,
  'bantime' => 300,
  'ban_message' => 'Too many requests. Please wait a few minutes before trying again.'
}
gitlab_rails['rate_limit_requests_per_period'] = 10000
gitlab_rails['rate_limit_period'] = 60