HI @MrEdwardYi,
Welcome to the community 
It is up to you, there isn’t a requirement to use optimization.
The following guide shows deploying using Remix: Create an ERC20 using Remix, without writing Solidity
HI @MrEdwardYi,
Welcome to the community
It is up to you, there isn’t a requirement to use optimization.
The following guide shows deploying using Remix: Create an ERC20 using Remix, without writing Solidity