let timeOutEvent = 0;
$(".erweima").on({
    touchstart: function(e){
        timeOutEvent = setTimeout(function () {
            timeOutEvent = 0;
e.preventDefault();
},300);
},
touchmove: function(){
        clearTimeout(timeOutEvent);
timeOutEvent = 0;
},
touchend: function(){
        clearTimeout(timeOutEvent);
 
if(timeOutEvent != 0){
            _self.isShowErweima = false;
}
        return false;
}
})