Code:	[2002] can not connect database.please check the config file.
Message:	SQLSTATE[HY000] [2002] �������ӷ���һ��ʱ���û����ȷ�𸴻����ӵ�����û�з�Ӧ�����ӳ���ʧ�ܡ�
File:	.
Trace:	.