Mirror mod modifies slide paths on restart

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1.开启镜像模式
2.启动
3.一遍玩完之后直接点重试

**Expected behavior**
A clear and concise description of what you expected to happen.
正常重试

**Screenshots**
If applicable, add screenshots to help explain your problem.
https://b23.tv/BV1aN4y1H7w7

**Device specs**
- Device: iPad Air Gen 5
- OS: iPad OS 17.2
- Browser =+=
- Version 2.0.0-build102

**Additional context**
Add any other context about the problem here.
https://b23.tv/BV1aN4y1H7w7