✨ [Feature] 尝试阻止重复添加任务

[devhaozi]

在提问之前 (Before Asking)

• [X] 我已经搜索了全部 Issues 和 Commits (I have searched all Issues and Commits)
• [X] 它们当中没有我将要提交的新功能 (None of them have new feature that I'm going to submit)

描述功能 (Describe Feature)

如题，很多人不看提示的。

工作流程 (WorkFlow)

1. 新建文件 ....
2. 添加函数 ....
3. ...

还有别的吗 (Anything Else)

No response

[github-actions[bot]]

Hi @devhaozi 👋

我们认为您的建议非常有价值！欢迎提交 PR，请包含相应的测试用例、文档等，并确保 CI 通过，感谢和期待您的贡献！ We think your suggestion is very valuable! Welcome to submit a PR, please include test cases, documentation, etc., and ensure that the CI is passed, thank you and look forward to your contribution!