null is not an object (evaluating 't.bottom')

https://usr/__plugin__/wx2b03c6e691cd7370/appservice.js:4087:719

https://lib/WASubContext.js:2:1067672

https://lib/WASubContext.js:2:111745

https://lib/WASubContext.js:2:1067959

r@https://lib/WASubContext.js:2:1067938

https://lib/WASubContext.js:2:1068086

https://lib/WASubContext.js:2:1772589

r@https://lib/WASubContext.js:2:1712330

https://lib/WASubContext.js:2:1712518

https://lib/WASubContext.js:2:778954

https://lib/WAServiceMainContext.js:2:251579

_@https://lib/WAServiceMainContext.js:2:78181