How to bind the secondary domain nameDZX1.5 portal topic pages

How to bind the secondary domain nameDZX1.5 portal topic pages. How to bind the secondary domain name. Please advice the friend familiar with it. Thank you
Yesterday 12:04 upload and download attachment (64.98 KB)

Discuz! System Error Your request has encountered a problem. Error messages: your current access request which contains illegal characters, has been rejected by the system
Program messages: [Line: 0024] admin.php (discuz_core:: instance) [Line: 0051] source / class / class_core.php (discuz_core-> discuz_core) [Line: 0060] source / class / class_core.php ( discuz_core-> _init_output) [Line: 0267] source / class / class_core.php (system_error) [Line: 0018] source / function / function_core.php (discuz_error:: system_error) [Line: 0024] source / class / class_error. php (discuz_error:: debug_backtrace)


1.5 version - Back - Tools - run record - User records - prevent users from uploading

Yesterday 12:06 download attachments (2.39 KB) for each page shows the top 40 or 80 are reported fault!