Calculation/app/public/js/wechat/bind.js

$(document).ready(function() {
    $('#project').blur(function () {
        if ($(this).val() == '') {
            $('#project_name').text('');
        } else {
            const pcode = getLocalCache('project_code');
            if ($(this).val() !== pcode) {
                const pc = $(this).val();
                $.ajax({
                    type: 'get',
                    url: '/project/name',
                    data: { code: pc },
                    dataType: 'json',
                    success: function (result) {
                        setLocalCache('project_code', pc);
                        if (result.err === 1) {
                            $('#project_name').text('');
                            $('#forget-project').val('');
                            toast(result.msg, 'error', 'exclamation-circle');
                        } else {
                            $('#project_name').text(result.data);
                        }
                    }
                })
            }
        }
    });

    $('input').focus(function () {
        if($(this).hasClass('is-invalid')) {
            $(this).removeClass('is-invalid');
            $(this).siblings('div.invalid-feedback').html('');
        }
    });
});