improved go code

Update Cargo.toml

Change-Id: Ie3e9c6e560283a93f57359cbb09097fa728e6f03

Update README.md

Change-Id: I883760d7ce11178ae61676904f482936c2f49401

chore: optimize code

Change-Id: Ic668959c545f0d9d3227d00d3ae593b1a2810468