https://developer.aliyun.com/article/617127
https://www.cnblogs.com/Lands-ljk/p/12213543.html
https://www.geekmeta.com/article/1306640.html
https://ethereum.org/zh/developers/tutorials/smart-contract-security-guidelines/
https://github.com/NoharaHiroshi/upgradability-solidity-demo.git