i solved
do not ask me how i make that
in short, i used chrome remote debugging to debug page on mobile :
https://developers.google.com/web/tools/chrome-devtools/remote-debuggingthen read this page :
https://developers.google.com/web/updates/2017/01/scrolling-interventionblablabla : go to jquery.fastclick.min.js and change a.addEventListener("touchstart",this.onTouchStart, !1) to be like this :
a.addEventListener("touchstart",this.onTouchStart, {passive: True})
do not forget to to clear browser cash to reload the new version of file
best regards everybody