新版本修改订阅和demo后无法保存，报错There was an error committing your changes: File could not be edited

Submission checklist | 提交前确认

• I have searched existing issues and found no duplicate | 我已经搜索过现有 Issue，确认不是重复问题
• This is a runtime error or unexpected behavior, not a feature request | 这是运行错误或异常行为，不是功能建议
• I have removed sensitive information from logs and configuration | 我已经从日志和配置中移除了敏感信息

Usage context | 使用场景

Docker, GitHub Actions / Workflow | GitHub 工作流

Version or commit | 版本或提交

v3.0.0

Operating system and architecture | 操作系统与架构

github

What happened? | 发生了什么

新版本修改订阅和demo后无法保存，报错There was an error committing your changes: File could not be edited

Steps to reproduce | 复现步骤

修改订阅和demo 保存就报错

Expected behavior | 期望行为

希望可以自定义订阅和demo

Logs and error output | 日志与报错信息

Relevant configuration | 相关配置

Additional context | 补充信息

No response