错误日志：TypeError: ejs:96
    94|           </div>
    95|           <div class="pro_list container">
 >> 96|             <% if(productList && productList.rows.length !== 0){ %>
    97|               <% productList.rows.forEach(item=>{ %>
    98|                 <a href="pro-detail.html?productDetailsId=<%= item.productDetailsId %>" class="item">
    99|                   <div class="img">

Cannot read properties of undefined (reading 'length')