Fatal error: Uncaught Exception: Illegal mix of collations (gbk_bin,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '=' query: select uid from jieqi_system_users where uname='���������' limit 0,1 in D:\wwwroot\niuzhanxscom\wwwroot\inc\sql\MysqliDb.php:2022
Stack trace:
#0 D:\wwwroot\niuzhanxscom\wwwroot\inc\sql\MysqliDb.php(561): MysqliDb->_prepareQuery()
#1 D:\wwwroot\niuzhanxscom\wwwroot\inc\sql\MysqliDb.php(617): MysqliDb->rawQuery('select uid from...', NULL)
#2 D:\wwwroot\niuzhanxscom\wwwroot\app\pc\author.php(13): MysqliDb->rawQueryValue('select uid from...')
#3 {main}
thrown in D:\wwwroot\niuzhanxscom\wwwroot\inc\sql\MysqliDb.php on line 2022