DatePicker 복수 날짜 선택 다시 질문 드립니다.

<script type="text/javascript" src="https://cdn.jsdelivr.net/jquery/latest/jquery.min.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/momentjs/latest/moment.min.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/daterangepicker/daterangepicker.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/daterangepicker/daterangepicker.css" />


<input type="text" name="wr_2" class="date-range">
<input type="text" name="wr_3" class="date-range">
<script>
$(".date-range").daterangepicker({
    autoUpdateInput: false,
    locale: {
        format: "YYYY-MM-DD",
        daysOfWeek: ["일", "월", "화", "수", "목", "금", "토"],
        monthNames: ["1월", "2월", "3월", "4월", "5월", "6월", "7월", "8월", "9월", "10월", "11월", "12월"]
    }
}, function(start, end) {
    $("input[name=\"wr_2\"]").val(start.format("YYYY-MM-DD"));
    $("input[name=\"wr_3\"]").val(end.format("YYYY-MM-DD"));
});
</script>

<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<div class="bo_w_tit write_div">
    <label for="wr_2" class="sound_only"><strong>필수</strong></label>
    <input type="text" name="wr_2" value="" id="wr_2" required class="frm_input full_input required datepicker" placeholder="" readonly>

    <label for="wr_3" class="sound_only"><strong>필수</strong></label>
    <input type="text" name="wr_3" value="" id="wr_3" required class="frm_input full_input required datepicker" placeholder="" readonly>
</div>

<script>
jQuery(function($){
    $.datepicker.regional["ko"] = {
        closeText: "닫기",
        prevText: "이전달",
        nextText: "다음달",
        currentText: "오늘",
        monthNames: ["1월(JAN)","2월(FEB)","3월(MAR)","4월(APR)","5월(MAY)","6월(JUN)", "7월(JUL)","8월(AUG)","9월(SEP)","10월(OCT)","11월(NOV)","12월(DEC)"],
        monthNamesShort: ["1월","2월","3월","4월","5월","6월", "7월","8월","9월","10월","11월","12월"],
        dayNames: ["일","월","화","수","목","금","토"],
        dayNamesShort: ["일","월","화","수","목","금","토"],
        dayNamesMin: ["일","월","화","수","목","금","토"],
        weekHeader: "Wk",
        dateFormat: "yymmdd",
        firstDay: 0,
        isRTL: false,
        showMonthAfterYear: true,
        yearSuffix: ""
    };
    $.datepicker.setDefaults($.datepicker.regional["ko"]);
    $("#wr_2").datepicker();
    $("#wr_3").datepicker();
});
</script>