1.fix IUserFacade interface, add return value
2.change login/register reciver from UserService to User,
because the login logic belongs to user, not facade. the facede struct (class) only forwarding request.
3.add create object func
4.modify test file
1.fix IUserFacade interface, add return value 2.change login/register reciver from UserService to User, because the login logic belongs to user, not facade. the facede struct (class) only forwarding request. 3.add create object func 4.modify test file