老师你好，我照着课程的做法为什么到了这里会失败？
代码如下

[root@localhost deploy]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
[root@localhost deploy]# export FABRIC_CFG_PATH=$GOPATH/src/github.com/hyperledger/fabric/imocc/deploy
[root@localhost deploy]# rm -fr config/*
[root@localhost deploy]# rm -fr crypto-config/*
[root@localhost deploy]# cryptogen generate --config=./crypto-config.yaml
org0.imocc.com
org1.imocc.com
[root@localhost deploy]# configtxgen -profile OneOrgOrdererGenesis -outputBlock ./config/genesis.block
2019-05-17 18:55:39.228 CST [common/configtx/tool] main -> INFO 001 Loading configuration
2019-05-17 18:55:39.247 CST [common/configtx/tool] doOutputBlock -> INFO 002 Generating genesis block
2019-05-17 18:55:39.248 CST [common/configtx/tool] doOutputBlock -> INFO 003 Writing genesis block
[root@localhost deploy]# configtxgen -profile TwoOrgChannel -outputCreateChannelTx ./config/mychannel.tx -channelID mychannel
2019-05-17 18:55:44.542 CST [common/configtx/tool] main -> INFO 001 Loading configuration
2019-05-17 18:55:44.545 CST [common/configtx/tool] doOutputChannelCreateTx -> INFO 002 Generating new channel configtx
2019-05-17 18:55:44.545 CST [common/configtx/tool] doOutputChannelCreateTx -> INFO 003 Writing new channel tx
[root@localhost deploy]# configtxgen -profile TwoOrgChannel -outputCreateChannelTx ./config/assetschannel.tx -channelID assetschannel
2019-05-17 18:56:05.083 CST [common/configtx/tool] main -> INFO 001 Loading configuration
2019-05-17 18:56:05.087 CST [common/configtx/tool] doOutputChannelCreateTx -> INFO 002 Generating new channel configtx
2019-05-17 18:56:05.087 CST [common/configtx/tool] doOutputChannelCreateTx -> INFO 003 Writing new channel tx
[root@localhost deploy]# configtxgen -profile TwoOrgChannel -outputAnchorPeersUpdate ./config/Org0MSPanchors.tx -channelID mychannel -asOrg Org0MSP
2019-05-17 18:56:25.121 CST [common/configtx/tool] main -> INFO 001 Loading configuration
2019-05-17 18:56:25.124 CST [common/configtx/tool] doOutputAnchorPeersUpdate -> INFO 002 Generating anchor peer update
2019-05-17 18:56:25.124 CST [common/configtx/tool] doOutputAnchorPeersUpdate -> INFO 003 Writing anchor peer update
[root@localhost deploy]# configtxgen -profile TwoOrgChannel -outputAnchorPeersUpdate ./config/Org1MSPanchors.tx -channelID mychannel -asOrg Org1MSP
2019-05-17 18:56:31.637 CST [common/configtx/tool] main -> INFO 001 Loading configuration
2019-05-17 18:56:31.640 CST [common/configtx/tool] doOutputAnchorPeersUpdate -> INFO 002 Generating anchor peer update
2019-05-17 18:56:31.640 CST [common/configtx/tool] doOutputAnchorPeersUpdate -> INFO 003 Writing anchor peer update
[root@localhost deploy]# docker-compose up -d
Creating deploy_peer.base_1 ... 
Creating orderer.imocc.com ... 
Creating cli ... 
Creating deploy_peer.base_1
Creating cli
Creating orderer.imocc.com ... done
Creating peer2.org1.imocc.com ... 
Creating peer1.org0.imocc.com ... 
Creating peer1.org1.imocc.com ... 
Creating peer0.org0.imocc.com ... 
Creating peer0.org1.imocc.com ... 
Creating peer1.org1.imocc.com
Creating peer2.org1.imocc.com
Creating peer1.org0.imocc.com
Creating peer0.org1.imocc.com
Creating peer1.org0.imocc.com ... done
[root@localhost deploy]# docker exec -it cli bash
root@d403f7de6bd3:/opt/gopath/src/github.com/hyperledger/fabric# peer channel list
2019-05-17 10:57:24.857 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2019-05-17 10:57:24.866 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
Error: error getting endorser client for channel: endorser client failed to connect to peer0.org1.imocc.com:7051: failed to create new connection: context deadline exceeded