const TITLES = {
  privacy: '隐私政策',
  agreement: '用户协议'
};

Page({
  data: {
    type: 'privacy',
    title: '隐私政策'
  },

  onLoad(options) {
    const type = options.type || 'privacy';
    const title = TITLES[type] || '隐私政策';
    this.setData({ type, title });
    wx.setNavigationBarTitle({ title });
  }
});