When building rock ramparts on the rock ramparts

When building rock ramparts on the rock ramparts the villigers hardly work and they suddenly move under the ramparts even though there were no ways. It doesn’t happen all the time but it often happens.

And do your team recognizes the rock ramparts long bow rush? they can build ramparts on the opponent’s side and destroy one of them and can make stairs to go up. and longbows on the ramparts is really strong. They have 9 range(others have 5 range) and cavarly can’t attack them. and have 66percent resistance and have heals also.