add filexiet flag func
Merge branch 'minzu_dev_beta' of https://github.com/School-of-Innovation-Experiment/provinceManagement into minzu_dev_beta
fix bug in fileexist func
fix a bug not save
Merge branch 'minzu_dev_beta' of https://github.com/School-of-Innovation-Experiment/provinceManagement into minzu_dev_beta