ReferenceError: /usr/local/pro/xie-wu/official-fe/views/pc/layout/lab.ejs:26
   24|         </div>
   25|         <ul class="nav-menu">
>> 26|             <li id="navMenuIndex"><a href="<%= ctx %>/index"><%= header.home %></a></li>
   27|             <li id="navMenuProductCenter"><a href="<%= ctx %>/productCenter"><%= header.productCenter %></a></li>
   28|             <li id="navMenuSupplyChain"><a href="<%= ctx %>/supplyChain"><%= header.supplyChain %></a></li>
   29|             <li id="navMenuOdmCases"><a href="<%= ctx %>/odmCases"><%= header.odmCases %></a></li>

header is not defined
   at eval (eval at compile (/usr/local/pro/xie-wu/official-fe/node_modules/ejs/lib/ejs.js:549:12), <anonymous>:74:26)
   at returnedFn (/usr/local/pro/xie-wu/official-fe/node_modules/ejs/lib/ejs.js:580:17)
   at tryHandleCache (/usr/local/pro/xie-wu/official-fe/node_modules/ejs/lib/ejs.js:223:34)
   at View.exports.renderFile [as engine] (/usr/local/pro/xie-wu/official-fe/node_modules/ejs/lib/ejs.js:437:10)
   at View.render (/usr/local/pro/xie-wu/official-fe/node_modules/express/lib/view.js:127:8)
   at tryRender (/usr/local/pro/xie-wu/official-fe/node_modules/express/lib/application.js:640:10)
   at Function.render (/usr/local/pro/xie-wu/official-fe/node_modules/express/lib/application.js:592:3)
   at ServerResponse.render (/usr/local/pro/xie-wu/official-fe/node_modules/express/lib/response.js:971:7)
   at /usr/local/pro/xie-wu/official-fe/node_modules/express-ejs-layouts/lib/express-layouts.js:113:20
   at tryHandleCache (/usr/local/pro/xie-wu/official-fe/node_modules/ejs/lib/ejs.js:228:10)