刚想站起来开始用“mongod”命令...
我已经看过以下内容：Cannot start mongo dbTrouble Starting MongoDB (Mac) - Code: 100 ...和许多其他论坛帖子。
这是我在终端机里看到的

#####-MacBook-Pro-2:p2w4-back_end ashesmachine$ mongod
2020-05-17T13:53:02.341-0700 I  CONTROL  [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'
2020-05-17T13:53:02.345-0700 W  ASIO     [main] No TransportLayer configured during NetworkInterface startup
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] MongoDB starting : pid=57712 port=27017 dbpath=/data/db 64-bit host=#####-MacBook-Pro-2.local
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] db version v4.2.6
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] git version: 20364840b8f1af16917e4c23c1b5f5efd8b352f8
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] allocator: system
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] modules: none
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] build environment:
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten]     distarch: x86_64
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten]     target_arch: x86_64
2020-05-17T13:53:02.346-0700 I  CONTROL  [initandlisten] options: {}
2020-05-17T13:53:02.346-0700 I  STORAGE  [initandlisten] exception in initAndListen: NonExistentPath: Data directory /data/db not found., terminating
2020-05-17T13:53:02.347-0700 I  NETWORK  [initandlisten] shutdown: going to close listening sockets...
2020-05-17T13:53:02.347-0700 I  -        [initandlisten] Stopping further Flow Control ticket acquisitions.
2020-05-17T13:53:02.347-0700 I  CONTROL  [initandlisten] now exiting
2020-05-17T13:53:02.347-0700 I  CONTROL  [initandlisten] shutting down with code:100