Revert "Update 4.2 gui库使用.md"
Revert "Update 4.2 gui库使用.md"

This reverts commit 2d3c9854eb1a2a23a7b85cc47c8f267054e125aa.

evilbinary/scheme-lib,evilbinary/scheme-lib,evilbinary/scheme-lib,evilbinary/scheme-lib,evilbinary/scheme-lib,evilbinary/scheme-lib