SuiteCRM-7.9.7 Missing admin--> locale-->Time Zone setting lable

When I install the newest SuiteCRM-7.9.7 ,It is ok and runs well. But I found that when I create a new account ,the create time are less 7 hours than my system date.
I am sure that I have changed my php.ini file’s timezone to Aris/Shanghai.I try to set the correct timezone by the suiteCRM locale timezone lable,But I could not find it ,what should I do.Please help,Thanks in advance.