root@inet:~/go/src/github.com/hyperledger/fabric# git checkout release-1.0
Already on 'release-1.0’
Your branch is up-to-date with ‘origin/release-1.0’.

root@inet:~/go/src/github.com/hyperledger/fabric-samples# git checkout release-1.0
Already on 'release-1.0’
Your branch is up-to-date with ‘origin/release-1.0’.
我两个都切换到了1.0，但是还是报了这个错
2020-02-13 04:42:23.059 UTC [main] InitCmd -> WARN 001 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
2020-02-13 04:42:23.065 UTC [main] SetOrdererEnv -> WARN 002 CORE_LOGGING_LEVEL is no longer supported, please use the FABRIC_LOGGING_SPEC environment variable
Error: failed to create deliver client: orderer client failed to connect to orderer.example.com:7050: failed to create new connection: context deadline exceeded
!!! Channel creation failed !!!
========= ERROR !!! FAILED to execute End-2-End Scenario ===========