If your account is logged in on multiple devices, or you suspect that your account has been compromised, you can log out of your account from all devices including the current one.
Hong Kong, China
+852 800-964-163 (Toll Free)
+1 888-652-2736 (Toll Free)
+82 080-899-3166 (Toll Free; local time：9:00—12:00, 13：00-18:00)
Local hotline to be supported for more regions