i started recently using the "Sun Jizhong" format (not against the rules) for Mainland peoples and i will update many of peoples i have created, starting in 15 days when i pass on them, only peoples i have created to be very clear.

unless someone object

You can use this format in aliases, but I prefer using the "Cantonese format" because HKMDb uses "-"

(Optional) Romanised Name Family Name (i.e., LAU) Given Name (i.e., Tak-Wah) - Christian Name (i.e., Andy)

For example, when Zhang Yimou appeared in an HK movie, in credits he appeared as "Zhang Yi-Mou".

ok i will not do it but what i observed from recent viewing, Mainland credit use the tak-wah romanization for hk actors and hk credits dont use the "-" for mainland actor

Yes, I know it, the last years they do that. Maybe we should vote. Not a main topic. When I found a "Jizhong" created by other editors, I simply add "Ji-Zhong" in the alias field.