页面已丢失在了太空中

去首页看看 /www/shapanku/views/product/detail.html:18:5 16| <span>课程标签</span> 17| <ul> >> 18| <%JSON.parse(detail['keywords']).forEach((kwd,index)=>{%> 19| <li class="kwd<%-index%5%>"><%-kwd%></li> 20| <%})%> 21| </ul> RuntimeError: Cannot read property 'parse' of undefined