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/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