forgeplus/config/locales/forms/apply_trail_form.zh-CN.yml

'zh-CN':
  activemodel:
    attributes:
      users/apply_trail_form:
        user: ''
        phone: 手机号
        code: 验证码
        reason: 申请原因
    errors:
      models:
        users/apply_trail_form:
          attributes:
            user:
              already_trial: 已经处于试用状态了