   if (visitCountPatten.length > 0) {
            crawlRule.visitCountPatten = visitCountPatten;
        }

        var descStart = $("#descStart").val();

        if (descStart.length == 0) {
            layer.alert("小说简介开始截取字符串必填");
            return false;
        }

        crawlRule.descStart = descStart;

        var descEnd = $("#descEnd").val();

        if (descEnd.length == 0) {
            layer.alert("小说简介结束截取字符串必填");
            return false;