[Bug] 目前功能不好用，内容无法显示

[unknowIfGuestInDream]

Which version of VS Code are you using?

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Which version of the extension are you using?

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Which operating system are you using?

• macOS
• Windows
• Linux

Version since

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Describe the bug

现在打开patch文件内容显示空白，而且尝试点击Content tab也无法切换，Unified 按钮也无法点击

此外，在各种异常处理处添加log输出，方便开发时定位错误信息

To Reproduce

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Expected behavior

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Screenshots

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Additional context

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