回複：回複：這樣改名字需要過法律程序嗎？

The interesting issue is that for all my publiations, I list my name as "San-Jian". But in real life, I list my name as "Sanjian". Therefore, to be continueous, I am thinking to add a hyphen between them. I don't know whether a legal process is need for doing this.
Thank you.