diff --git a/yangfan/cfg/rootfs/fstab.rk3399 b/yangfan/cfg/rootfs/fstab.rk3399
index 42c8a6e6b4546be949a3d6bdbd8a99d2d38497c2..a1069dfcea1fa3b1156697a40c54f0dba653ad57 100644
--- a/yangfan/cfg/rootfs/fstab.rk3399
+++ b/yangfan/cfg/rootfs/fstab.rk3399
@@ -2,5 +2,5 @@
 #<src>                                                  <mnt_point> <type>    <mnt_flags and options>                              <fs_mgr_flags>
 /dev/block/platform/fe330000.sdhci/by-name/system               /usr       ext4     ro,barrier=1  wait,required
 /dev/block/platform/fe330000.sdhci/by-name/vendor              /vendor        ext4     ro,barrier=1  wait,required
-/dev/block/platform/fe330000.sdhci/by-name/userdata               /data       ext4     nosuid,nodev,noatime,barrier=1,data=ordered,noauto_da_alloc wait,reservedsize=104857600
+/dev/block/platform/fe330000.sdhci/by-name/userdata            /data       f2fs      discard,noatime,nosuid,nodev,fscrypt=2:aes-256-cts:aes-256-xts  wait,check,fileencryption=software,quota
 /dev/block/platform/fe330000.sdhci/by-name/misc /misc none none wait,required