countDown(){

    this.disTimestamp = 10

    var end = ()=>{

        clearInterval(this.handle)

        this.handle = 0

        this.setData({

            showDaojishi: !1,

            daojishiCount: 0

        })

    }

    this.handle && end();

    this.handle = setInterval(function()=>{

        console.log(this.disTimestamp)

        this.disTimestamp <= 0 ? end() : (this.disTimestamp <= 120 && this.disTimestamp > 0 ? this.setData({

            showDaojishi: !0,

            daojishiCount: this.disTimestamp–

        }) : void 0)

    }.bind(this), 1000)

}