使用flash_download_tool_3.9.3擦除分区后，重新烧录分区，查看日志出现很多坏快，文件系统使用littlefs（fatfs不适用项目，乐鑫官网有推荐这个文件系统）

[flquchi]

IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x250
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x251
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x252
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x253
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x254
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x255
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x256
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x257
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x258
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:584:error: No more free space 1625
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:1882:debug: Bad block at 0x24e
IDF/platform/Buildlib_project/components/OS/littlefs/lfs.c:584:error: No more free space 1625