错误日志：TypeError: ejs:93
    91|                 <% } %>
    92|                 <div class="pro-data-main">
 >> 93|                     <% if(productList && productList.rows.length !== 0){ %>
    94|                         <% productList.rows.forEach(item=>{ %>
    95|                             <a class="pro-data-one" href="pro-detail.html?productDetailsId=<%= item.productDetailsId %>">
    96|                                 <p class="pro-data-title"><%= item.productName %></p>

Cannot read properties of undefined (reading 'length')