[Pick][0.8 to 0.9] | Simplify do_resolver #57

Coldwings wants to merge 1 commit intorelease/0.9Coldwings/PhotonLibOS:release/0.9from

auto-pr-ba6d32bb067d45e8066df4749dfd8809810cff80-0.9Coldwings/PhotonLibOS:auto-pr-ba6d32bb067d45e8066df4749dfd8809810cff80-0.9Copy head branch name to clipboard