Modify models to be allowed by mysql
Modify models to be allowed by mysql

guswnsxodlf/k-board,hyesun03/k-board,hyesun03/k-board,kboard/kboard,guswnsxodlf/k-board,cjh5414/kboard,kboard/kboard,darjeeling/k-board,hyesun03/k-board,cjh5414/kboard,guswnsxodlf/k-board,kboard/kboard,cjh5414/kboard