我正在尝试执行commande“slc run”以访问API环回但是mongodb的问题即使我运行mongod它也会显示此错误：
MongoError: Authentication failed.
at Function.MongoError.create (C:\Users\abdessamad\ingeweb_workspace\roll-lo
opback\node_modules\mongodb-core\lib\error.js:31:11)
at C:\Users\abdessamad\ingeweb_workspace\roll-loopback\node_modules\mongodb-
core\lib\connection\pool.js:483:72
at authenticateStragglers (C:\Users\abdessamad\ingeweb_workspace\roll-loopba
ck\node_modules\mongodb-core\lib\connection\pool.js:429:16)
at Connection.messageHandler (C:\Users\abdessamad\ingeweb_workspace\roll-loo
pback\node_modules\mongodb-core\lib\connection\pool.js:463:5)
at Socket.<anonymous> (C:\Users\abdessamad\ingeweb_workspace\roll-loopback\n
ode_modules\mongodb-core\lib\connection\connection.js:319:22)
at emitOne (events.js:96:13)
at Socket.emit (events.js:189:7)
at readableAddChunk (_stream_readable.js:176:18)
at Socket.Readable.push (_stream_readable.js:134:10)
at TCP.onread (net.js:551:20)