Revert "更正了nUiWgts中的一处错误，忘记return this"

This reverts commit 1a90b217e6ac81545c09cbda249ebb2fae119796.
Revert "Revert "更正了nUiWgts中的一处错误，忘记return this""

This reverts commit 3331b95afa93c3d7ab2cf7f2ced9228a515d2dda.
Merge branch 'master' of https://github.com/WseMad/WinterSolsticeEngine.git