最后一步打开Mcc_vc.exe,点Log In 后出现: $ @$ Z; ~( `' lConnect to database[127.0.0.1] fail with wrror description:'[dbnetlib] [ConnectionOpen(connect()).]SQL Server 不存在或拒绝访问 - y* K' }5 B5 ^, f' F. wPlease restart the programme ( x F4 k9 ]: f# \[不存在或拒绝访问] & S% i( u0 c) F2 B1 s是怎么回事呢?麻烦告知