Cannot read property 'value' of undefined

[sytpb]

TypeError: Cannot read property 'value' of undefined
at U.attached (detail.js? [sm]:68)
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1
at Function.Cr (WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1)
at Vt. (WASubContext.js?t=wechat&s=1727422016227&v=3.4.3:1)(env: Windows,mp,1.06.2404301; lib: 3.4.3)

这代码里有bug ，不知道什么问题，服了。