用wordpress搭建博客出现报错：pjax is not a function 博客文章无法点赞

Question

pjax.js?version=1609941473:8 Uncaught TypeError: $(...).pjax is not a function

at HTMLDocument.<anonymous> (pjax.js?version=1609941473:8)
at j (jquery.js?version=1609941473:2)
at Object.fireWith [as resolveWith] (jquery.js?version=1609941473:2)
at Function.ready (jquery.js?version=1609941473:2)
at HTMLDocument.J (jquery.js?version=1609941473:2)

Uncaught ReferenceError: wp is not defined

at editormd.min.js?ver=10.2.1:7

editormd.min.js?ver=10.2.1:7 Uncaught ReferenceError: wp is not defined

at editormd.min.js?ver=10.2.1:7

博客文章无法点赞，小白求大神指导。能远程帮助我就更好了。