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nexus/wiki/concepts/JFFS双清.md
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# JFFS双清
## Definition
清理路由器JFFSJournaling Flash File System分区中存储的文件系统缓存和数据配置的操作用于刷机后重置干净的环境。
## Definition (English)
The process of clearing the JFFS (Journaling Flash File System) partition on ASUSWRT-based routers, removing cached data and old configurations to ensure a clean firmware environment.
## When to Use
- 刷机后(从原厂固件刷入梅林固件后)
- 固件升级后出现异常
- 重置插件配置
- 清理旧缓存残留
## What It Clears
- JFFS 分区内容(插件存储、配置文件)
- 缓存数据
- 旧的软件中心数据
## How to Perform
1. 进入梅林固件后台
2. 找到"恢复/重置"选项
3. 选择"恢复出厂设置"
4. 执行JFFS双清可能需要手动命令
## Importance
- 防止旧配置干扰新固件
- 清理过期的插件残留
- 确保固件环境干净稳定
## Related
- [[固件刷入]] — JFFS双清是刷机流程的一部分
- [[梅林固件]] — JFFS是梅林固件的文件系统