错误日志：TypeError: ejs:489
    487|                             </a>
    488|                             <% } else { %>
 >> 489|                             <a href="pros.html?pageSize=6&productClassifyId=<%= list[0].productClassifyId %>&classifyName=<%= list[0].classifyName %>"
    490|                                 class="sheet-metal-processing-pro-type-more">
    491|                                 <p class="read-more-p" data-word="<%= language.moreCase %>"><%= language.moreCase %></p>
    492|                                 <p class="right">

Cannot read properties of undefined (reading 'productClassifyId')