【layui】富文本解决复制的可以保存手写的无法保存

<script>
    layui.use(['form','layedit','upload'], function(){
        var layedit = layui.layedit,
            form = layui.form,
            upload = layui.upload;
        layedit.set({
            uploadImage: {
                url: "{:url('subject/upload')}" //接口url
                ,type: 'post' //默认post
            }
        });
        //建立编辑器
        var index = layedit.build('vod_content',{
            height:500,
        });
        //自定义验证规则
        form.verify({
            article_desc: function(value){
                layedit.sync(index)
            }
        });
    });
</script>