jquey add and modify the content of the list

<div class= "insuranceSetting_left pb10" >
     <p class= "fl ml10 mt10" > Insurance company added: </p>
     <div class= "fl insuranceSetting_list" >
 <!--Insurance company added-->
 < ul id= "insurance_list" >
             <li><span> China Life Insurance Co., Ltd. </span></li>
             <li><span> Zhongan Life Insurance </span></li>
             <li><span> Sunshine Insurance </span></li>
             <li> <span> Talent Insurance </span><
/li>
            <li><span>太保财险</span></li>
            <li><span>                Ping An Property & Casualty Insurance </span></li>
             <li><span> China United </span></li>
             <li><span> Dadi Property </span></li>
             <li><span> Tianan </span></li>
             <li><span> Yongan </span></li>
         </ul>
 <!--What is hidden is the insurance company you entered in the background-->
 <ul class= "insurance_none " style= " display : none" >
             <li><input type= "checkbox" name= "checkbox" ><span>平安保险</span></li>
            <li><input type="checkbox"><span>                平安保险</span></li>
            <li><input type="checkbox"><span>中按</span></li>
            <li><input type="checkbox"><span>平保险</span></li>
            <li><input type="checkbox"><span>安保险</span></li>
            <li><input type="checkbox"><span>平安</span></li>
            <li><input type="checkbox"><span>平安保险</span></li>
        </ul>
    </div>
</div>
<div class="fr mt10">
    <span class="cp insurance_edit">修改</span>
</div>
// Edit the added insurance company to modify
 $ ( ".insurance_edit" ). click ( function () {
     if ( $ ( this ). text () == "Edit" ) {
         $ ( "#insurance_list" ). hide () ;
 $ ( ".insurance_none" ). show () ;
 $ ( "#insurance_list" ). empty () ;
 $ ( this ). text ( "Save" ) ;
 $                                (this).attr("class", "btn_too btn_submit");
    }
    else if ($(this).text() == "保存") {
        var chk_value =[];
        $("[type='checkbox']:checked").each(function(){
            chk_value.push($(this).parents().children("span").html());
        });
        $(function(){
            var tbody = "";
            //------------遍历数组 .each的使用-------------
            $.each(chk_value,function(n,value) {
                var trs = "";
                trs += "<li><span>" +value+"</span></li>";
                tbody += trs;
                 console.log(tbody);
            });
            $("#insurance_list").append(tbody);
        });
        $("#insurance_list").show();
        $(".insurance_none").hide();
        $(this).text("修改");
    }
});