关于#java#的问题：Cannot set properties of null (setting 'type') at Function.au. [as error] (index.js

Uncaught (in promise) TypeError: Cannot set properties of null (setting 'type')
at Function.au. [as error] (index.js:1:453913)
at login.html:107:31

返回值是空了，检查一下返回值。