Got access denied when using gateway.getNetwork

[MadaoIsMyBrother]

I run the tutorial code in https://github.com/IBM/blockchainbean2/blob/master/docs/run-local.md and got the following error:

Here's what in my network.yaml:

orderers:
orderer.example.com:
url: grpc://localhost:17050
grpcOptions:
ssl-target-name-override: orderer.example.com

peers:
peer0.org1.example.com:
# this URL is used to send endorsement and query requests
url: grpc://localhost:17051

grpcOptions:
  ssl-target-name-override: peer0.org1.example.com
  request-timeout: 120001

certificateAuthorities:
ca-org1:
url: http://localhost:17054
httpOptions:
verify: false

registrar:
  - enrollId: admin
    enrollSecret: adminpw
caName: ca-org1

And output of docker ps command: