Activities of "hao"

i write a method like is:

public async Task<SomeResultOutput> Send(SomeInput input)
        {
           var id =await _someRepository.InsertAndGetIdAsync(new SomeEntity()
            {
                Code = "123456"
            });
            throw new UserFriendlyException();
    }

but the SomeEntity Has been written to the database.did not rollback. what have I done wrong i use abp 1.3.1 , and i had try 1.5.0