坑1：First received frame was not SETTINGS.
??aws的orderer和peer都是tls的牛隅，connection.yaml里orderer和peer的url都得是grpcs://開頭俘侠，然后配置pem文件位置，例如：
peers:
??peer1.qmango.example.com:
??url: grpcs://nd-dqeikh6lbzfxrdrycc5tb4ift4.m-rii63vw7hbf4zipxnjcbgb2tke.n-auf4vvoemjdsdgxq2qzcpdxsl4.managedblockchain.us-east-1.amazonaws.com:30003
??tlsCACerts:
????path: managedblockchain-tls-chain.pem
坑2 permition deny
java代碼里wallet.put("admin", user);薇搁，第一個參數(shù)一定是admin逃片，否則沒有權(quán)限
