AJAX调用只发送最后一项，而不是整个数组

This is my AJAX call :

这是我的AJAX调用：

$(".all_of_union").live("click", function(){
      id = window.location.href.split("/")[5]

      var data = {};
    data.value = $(".union input").map(function(){
        return $(this).val();
    }).get();
    data.type = 'zip';

    $.ajax({
        type: "POST",
        url: "/admin/emails/" + id + "/distributions",
        dataType: "script",
        data: data
    });
});
$(".all_