elevatezoom How to change data-zoom-image value ?

For fixing this issue just follow simple steps below:
1. Open jquery.elevatezoom.js file in notepad.
2. Now you will see code below:

(function( $, window, document, undefined ) {
    var ElevateZoom = {
            init: function( options, elem ) {
                var self = this;

                self.elem = elem;
                self.$elem = $( elem );

                self.imageSrc = self.$elem.data("zoom-image") ? self.$elem.data("zoom-image") : self.$elem.attr("src");

Just replace highlighted code with code below:

                self.imageSrc = self.$elem.attr("src");

And you will get what you want.