null-safety #1

Merged

laiiihz merged 2 commits from null-safety into master

Author	SHA1	Message	Date
小赖	2a4d094948	Merge pull request 'null safety version release' (#1 ) from laiiihz/random_character:null-safety into null-safety Reviewed-on: http://159.75.73.143:8080/mengfucius/random_character/pulls/1	4 years ago
小赖	7cf7ccd202	null safety version release	4 years ago