<div layer1="text-s"></div><div class="tz-paragraph"><img src="https://z.autoimg.cn/creator/packages/emoji/smiley/34.gif" class="spic" />smart的导航版本真的很老很老，到4儿子那升级却告知升不了<img src="https://z.autoimg.cn/creator/packages/emoji/smiley/11.gif" class="spic" /><img src="https://z.autoimg.cn/creator/packages/emoji/smiley/83.gif" class="spic" /><br />哪位大侠能帮这个忙？<img src="https://z.autoimg.cn/creator/packages/emoji/smiley/83.gif" class="spic" /></div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-picture"><img src="http://club2.autoimg.cn/album/g17/M0E/38/36/userphotos/2015/08/11/10/500_wKgH2FXJV4OAHw6jAAwwLkqeJo4681.jpg" style="height:474px;width:700px"  /></div><div layer1="img-e"></div><br />

谁知道smart的导航怎么升级