之前在自己的破服务器上起了一个 mongoDB 的服务，做了一个 RPC 远程调用，都是些测试数据，今天上去的时候发现数据库没了，剩下个 README 的 POST 里面就一条数据如下：
{
"_id" : ObjectId("5af30ac16f6f3fe7a3fd522e"),
"BitCoin" : "3639hBBC8M7bwqWkj297Jc61pk9cUSKH5N",
"eMail" : "[email protected]",
"Exchange" : "https://localbitcoins.com",
"Solution" : "Your Database is downloaded and backed up on our secured servers. To recover your lost data: Send 0.2 BTC to our BitCoin Address and Contact us by eMail with your server IP Address and a Proof of Payment. Any eMail without your server IP Address and a Proof of Payment together will be ignored. You are welcome!"
}
想了想，可能是我当时为了方便没有设置安全组的原因吧。接下来还是要谨慎，避免不必要的时间消耗。
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