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    Welcome to the world's largest Chinese hacker forum, our forum registration is open! You can now register for technical communication with us, this is a free and open to the world of the BBS, we founded the purpose for the study of network security, please don't release business of black/grey, or on the BBS posts, to seek help hacker if violations, we will permanently frozen your IP and account, thank you for your cooperation. Hacker attack and defense cracking or network Security

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我在做商易通的106p的时候,总是报空指针,所以要去数据库查一下是怎么回事。一开始我还傻傻的看了一下mongodb的库,但是时间长了,发现不对。我应该看看mysql。最后发现mysql存储的dict_code是beijin,老师显示的是北京,莫名其妙。我什么时候改的数据库?我真的没有改数据库。
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