Connect mongodb username can not be null

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hello，I connect monodb it not work，Remind me that the error is username can not be null

image
image1130×962 62.5 KB

my real mongodb uri is : mongodb://bigdata:bigdata1q2w3e1q@192.168.0.154:40000/?authSource=admin&authMechanism=SCRAM-SHA-1

my env:
mongodb:3.2.12 stand-alone
metabase:0.35.3 on docker

thanks