第三节课程命令记录 # 后台启动服务 dfx start --background # 部署服务 dfx deploy # 获取内存值 dfx canister call my_counter get // dfx canister call rrkah-fqaaa-aaaaa-aaaaq-cai get // dfx canister call rrkah-fqaaa-aaaaa-aaaaq-cai set '(20)'