The [trie link](https://github.com/ABCDELabs/Understanding-Ethereum-Go-version/blob/main/CN/10_tire_statedb.md) is expired at [01_account_state.md](https://github.com/ABCDELabs/Understanding-Ethereum-Go-version/blob/main/CN/01_account_state.md).
The trie link is expired at 01_account_state.md.