Please recommend a novel where the female protagonist reincarnates back to her childhood. The author might be called Su.

Seeking the name of a rebirth novel It's the female protagonist who was reborn and returned to her childhood The author's name seemed to be something called Ms. Su, but she couldn't remember what it was. The content was about when the female protagonist was 20 years old. When she took the elevator, the elevator suddenly fell and malfunctioned, and she returned to her childhood. The female protagonist had a small space of her own. At first, there was only one square meter of water in it. As her ability grew, the area of water also began to expand. The water in the space could cure all kinds of diseases and attract strange animals.