数据库连接或者执行失败，请按下列步骤检查：1.检查数据库服务器是否正常；2.检查数据库驱动包是否存在；3.检查weaver.properies配置信息是否正确！
Failed to Connect Data Server,please check by step as below:1.checking the Data Server is OK;2.checking the SQL driver is exist;
3.checking the message of the file 'weaver.properies' is right!
