Does Male Betta Fish Attack Females I Need Help With My Betta Fish?

I need help with my Betta fish? - does male betta fish attack females

So I had a male Betta fish for about a month. So I decided to keep a fish yetserday female colleagues. I have new fish in the tank today. It is Betta. I was living at the pet store a female and a male Betta Betta can Togther says. When I Betta women can be placed in water Togther first. But after about 20 minutes, the man began, the female attack. I led the attack because it does not hurt to follow her. What should I do?