BUG1 :
MySql.Data.MySqlClient.MySqlException:“Unable to connect to any of the specified MySQL hosts.”
这里需要加入自己的端口port：****
<add key="ConnectionString" value="server=localhost;port=33**;database=***;user id=root;password=***;Charset=utf8;"/>
BUG2 :
MySql.Data.MySqlClient.MySqlException:“Invalid attempt to Read when reader is closed.”
