在2D和3d动态仿真的时候,弹出了"Blank required for verification"点击ok再次弹出"No par and blank geometry has been specified.At least a part a geometry must be specified for visualization. 2 P# m3 p% o/ t( O2 R$ O# S: ^. v& | ! [( e: K9 i' D$ B% o% c) F是不是没选择毛坯,是选择整个框体吗,还是报错,选哪里,帮帮我