用js ethers库调用合约,交易上链后报错,execution reverted: failed to execute message; message index: 0
调用其他方法可以,但是不能调用buy()
https://www.oklink.com/zh-cn/okc/tx/0x6C7D657E83E8425B4914F765F383D9129D5082A76C9D45E14613D2A303C3A76D