Page({
 
  data: {
  },
  onLoad: function (options) {
  },

  sendEmailto4s1(e){
   wx.redirectTo({
      url: '/pages/s/s',
    })
    var action = e.currentTarget.dataset.action;
    console.log(action); //father
    const db = wx.cloud.database()
}

})

  <button class="btn1" data-action="father" catchtap="sendEmailto4s1" >爱车遇到功能故障</button>

console.log会输出