Obs this is very good! 但是我去顶 Alternative https://www.nchsoftware.com/capture/index.html?kw=mac%20record%20video%20screen&gclid=Cj0KCQjwpompBhDZARIsAFD_Fp__aAnD7gl90yHbm1ngwsGeCbiGKOuh3W6f0AiBjQgb42ll00mCbiMaAp90EALw_wcB its called Debut.app.