string(65) "PDO连接错误信息:SQLSTATE[HY000] [2002] Connection refused"
Fatal error: Uncaught Error: Call to a member function prepare() on null in /www/wwwroot/www.goinsms.xyz/Common/PdoHelper.php:242 Stack trace: #0 /www/wwwroot/www.goinsms.xyz/Common/PdoHelper.php(212): PdoHelper->query('select b.phone,...', '') #1 /www/wwwroot/www.goinsms.xyz/cn.php(9): PdoHelper->select(' mv_sms_mesage...', 'b.phone,b.messa...', '', ' b.update_time ...', ' limit 10') #2 {main} thrown in /www/wwwroot/www.goinsms.xyz/Common/PdoHelper.php on line 242