错误 4 签名时出错: 未能给 bin\Debug\app.publish\\setup.exe 签名。SignTool Error: ISignedCode::Sign returned error: 0x80880253 The signer's certificate is not valid for signing.SignTool Error: An error occurred while attempting to sign: bin\Debug\app.publish\\setup.exe GMCC.POS.Clients.Canteen
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