The logon page cannot be displayed when CMCC is connected to Mac OS X.

Generally, when connecting to China Mobile CMCC and other wireless networks, a login interface will pop up, asking users to enter their accounts and passwords, and then they can log on to the Internet. However, some children's shoes may encounter such a situation: the login interface cannot be displayed when the Mac OS X is connected to CMCC (no experiment is performed in Windows );

Cause: DNS Problems

Solution: Enable preference settings --> network --> select WiFi wireless --> advanced --> DNS to delete custom DNS

After successful modification, the logon page is displayed: