Discuz and Ucenter background can not login (login automatic exit) solution

Kangsheng Discuz and Ucenter often someone response backstage can not login or login automatically exit after the problem, it is very let a person egg pain, sometimes appear validation code CCCC problems and then prompted the verification code error. Discuz better solution, the config.inc.php inside the Chekip off can be landed, $ADMINCP [' checkip '] = 0; Background Admin operation verifies the administrator's IP, 1 = is [secure], 0 = No. Set 0 only when the administrator is unable to log in to the background. $ADMINCP [' tpledit '] = 0; Whether to allow online editing forum Template 1 = is 0 = no [security] $ADMINCP [' runquery '] = 1; Whether to allow the background to run SQL statement 1 = is 0 = no [security] $ADMINCP [' dbimport '] = 1; Whether to allow background recovery Forum Data 1 = is 0 = no [security] $ADMINCP [' checkip '] = 0; Background Admin operation verifies the administrator's IP, 1 = is [secure], 0 = No. Set 0 only when the administrator is unable to log in to the background. $ADMINCP [' tpledit '] = 0; Whether to allow online editing forum Template 1 = is 0 = no [security] $admincp [' runquery '] = 1; Whether to allow the background to run SQL statement 1 = is 0 = no [security] $ADMINCP [' dbimport '] = 1; Whether to allow background recovery Forum Data 1 = is 0 = no [security] ; But Ucenter can not solve this method, Google for a long time, the official forum has no solution, had to do their own. Through the test found that my IP Refresh page is changed once, dynamic IP caused this problem. Had to use cookies to solve the problem. can now log on normally. Check the data through this code, and then borrow the cookie's online IP. The problem was solved after the modification. Give it a try. File found according to directory: Ucenter's model/base.php Find: $this->onlineip = $match [0]? $match [0]: ' Unknown '; Insert a piece of code after this code: Cookies <=> onlineip:2012-05-05 ipwise.cn $isonlineIP = isset ($_cookie[' ONLINEIPD ']) &&!empty ($_cookie[' ONLINEIPD ']); if ($isonlineIP) { $this->onlineip = $_cookie[' ONLINEIPD ']; }else{ Setcookie ("ONLINEIPD", $this->onlineip, Time () +3600, "/"); } Unset ($isonlineIP); After saving the upload coverage problem is solved.