我已经在TestNet中部署了智能合同，如何更新或删除它们？
嗨，我已经在TestNet中部署了一份智能合约，如何更新或删除它们？我尝试了两者 https://flow-view-source.com/ 和cli，但都得到了错误
Hi, I have deployed a smart contract in testnet, how to update or delete them? i tried both https://flow-view-source.com/ and CLI but both get this error
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不支持将新字段添加到现有合同中。允许的完整列表在此处 https://docs.onflow.org/cadence/cadence/语言/合同通用性
我建议仅创建一个新的TestNet帐户并将新合同部署到该新地址。
Adding new fields to an existing contract is not supported. The full list of changes allowed are here https://docs.onflow.org/cadence/language/contract-updatability
I would recommend just creating a new Testnet account and deploy the new contracts to that new address.