[comments] fix bug on no user relation on comment
[comments] fix bug on no user relation on comment

alabs/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,alabs/nolotiro.org,alabs/nolotiro.org,apardo/nolotiro.org,apardo/nolotiro.org