在网站目录下【wp-content/themes/zibll/inc/csf-framework/assets/js/main.js】里把

 //付费下载粘贴链接自动识别地址及提取码
        /*
        $('body').on('paste', '.pay-download-group input[data-depend-id="link"]', function (event) {
            var $this = $(this);
            var _val = event.originalEvent.clipboardData.getData('text');
            if (_val) {
                //链接判断
                var urlRegex = '(https?://.*?)[\r\n 提取]';
                var url_matches = _val.match(urlRegex);

                if (url_matches && url_matches[1]) {
                    event.preventDefault();
                    $this.val(url_matches[1]);
                }

                //提取码
                var codeRegex = '[提取码|密码][:|：]( |)([a-zA-Z0-9]{4,6})';
                var code_matches = _val.match(codeRegex);
                if (code_matches && code_matches[2]) {
                    var code = code_matches[2];
                    var parents = $($this.parents('.csf-cloneable-content')[0]);
                    parents.find('textarea[data-depend-id="more"]').val('提取码：' + code);
                    parents.find('input[data-depend-id="copy_key"]').val('提取码');
                    parents.find('input[data-depend-id="copy_val"]').val(code);
                }
            }
        });
        */

这行代码注释掉就好了