Love you Forever (Chinese Movie)

It tells a series of love stories that happened after a high school reunion when a young man gains the ability to travel back in time to change the past. A stubborn man when it comes to the woman he loves, Lin Ge accidentally gains the ability to travel through time. In order to fulfill a promise that he made to himself, he travels back to the past to correct his mistakes. However, he is fooled by fate once more and doesn't succeed in finding love. Just as he is about to give up, Qiu Qian discovers his secret. Adapted from a short story written by Zheng Zhi.