例行检查 / Checklist

• 我已确认目前没有类似 issue (I have checked for similar issues)
• 我已确认我已升级到最新版本 (I have updated to the latest version)
• 我已完整查看过项目 README，尤其是常见问题部分 (I have read the README, especially the FAQ section)
• 我理解并愿意跟进此 issue，协助测试和提供反馈 (I am willing to follow up on this issue, assist with testing, and provide feedback)
• 我理解并认可上述内容，并理解项目维护者精力有限，不遵循规则的 issue 可能会被无视或直接关闭 (I understand and agree to the above, and I understand that the maintainers have limited time, so issues that do not follow the rules may be ignored or closed directly)

问题描述 / Bug Description

备注之后如果想取消备注，直接空会报错，空字符串也会报错，希望有取消备注的功能

相关截图 / Screenshots