Lu Han's signature could be: Can you feel my lifespan? Every minute of my life is filled with life because I know I come from a world that is constantly filled with hope and future. I cherish every minute and every second and try my best to bring more beautiful surprises and happiness to the people I love. This signature was full of poetry and hope, expressing Lu Han's gratitude and pursuit of life and the future. It could also help them continue to exert their energy and lifespan in their lives and work to become better themselves.