pop() {
    let d0 = Date.parse(new Date().toLocaleDateString())/1000
    let now =wx.getStorageSync("pop")
    if(now > d0){
      //緩存時(shí)間大于今天0點(diǎn)，說(shuō)明顯示過(guò)了
      console.log("不顯示")
      this.setData({
        hiddenName: true,
      });
    }else{
      console.log("顯示")
      //彈框
      wx.setStorageSync("pop", Date.parse(new Date())/1000);
      this.setData({
        hiddenName: false,
      });
}