用了侧滑栏，DIV内上下滚动不了，怎么解决？

<div id="offCanvasContentScroll" class="mui-content mui-scroll-wrapper" >

                <div class="mui-content" style="height:200px;">  
                    <ul class="mui-table-view mui-grid-view mui-grid-9">  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-home"></span>  
                            <div class="mui-media-body">Home</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-email"><span class="mui-badge">5</span></span>  
                            <div class="mui-media-body">Email</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-chatbubble"></span>  
                            <div class="mui-media-body">Chat</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-location"></span>  
                            <div class="mui-media-body">location</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-search"></span>  
                            <div class="mui-media-body">Search</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-phone"></span>  
                            <div class="mui-media-body">Phone</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-gear"></span>  
                            <div class="mui-media-body">Setting</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-info"></span>  
                            <div class="mui-media-body">about</div></a></li>  
                    <li class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3"><a href="#">  
                            <span class="mui-icon mui-icon-more"></span>  
                            <div class="mui-media-body">more</div></a></li>  
                    </ul>   
                </div>  

            </div>