70's Cannon Fodder Supporting Actress

What does it feel like to transmigrate into a novel? What's more, it was the 1970s when people were short of clothes and food? Become a pitiful little educated youth. Thanks to the quail stomach I brought over from the 21st century, I'm full no matter what I eat ~ I even unlocked a golden finger in the middle and discovered a cheat space ~ The female lead leveled up to the Invincible Face Slapping Great Mary Sue, but it's a pity — He Xiaoli has become the female supporting role that gets slapped in the face repeatedly. What should I do?