purchase-let/unpackage/dist/dev/mp-weixin/pages/login/login.json

{
  "navigationBarTitleText": "登录",
  "enablePullDownRefresh": false,
  "usingComponents": {
    "up-icon": "../../uni_modules/uview-plus/components/u-icon/u-icon",
    "up-button": "../../uni_modules/uview-plus/components/u-button/u-button"
  }
}