diff --git a/cap/zx297520v3/sources/meta-zxic-custom/conf/distro/include/nand-config-default.inc b/cap/zx297520v3/sources/meta-zxic-custom/conf/distro/include/nand-config-default.inc
index 23e90f0..4810c68 100755
--- a/cap/zx297520v3/sources/meta-zxic-custom/conf/distro/include/nand-config-default.inc
+++ b/cap/zx297520v3/sources/meta-zxic-custom/conf/distro/include/nand-config-default.inc
@@ -7,9 +7,9 @@
 MKUBIFS_ARGS = "-m ${PAGESIZE} -e ${UBI_LEB_SIZE} -c 58 -x zlib -F"
 UBINIZE_ARGS = "-m ${PAGESIZE} -p ${ERASEBLOCK} -s ${PAGESIZE} -Q ${UBI_IMAGE_SEQ}"
 #userdata ubi参数配置
-USERDATA_MKUBIFS_ARGS   = "-m ${PAGESIZE} -e ${UBI_LEB_SIZE} -c 66 -x zlib -F"
-USERDATA_UBINIZE_ARGS = "-m ${PAGESIZE} -p ${ERASEBLOCK} -s ${PAGESIZE} -Q ${UBI_IMAGE_SEQ}"
-USERDATA_UBI_VOL_SIZE      = "15MiB"
+USERDATA_MKUBIFS_ARGS   = "-m 4096 -e 253952 -c 1330 -x zlib"
+USERDATA_UBINIZE_ARGS = "-m 4096 -p 0x40000 -s 4096"
+USERDATA_UBI_VOL_SIZE      = "322MiB"
 #imagefs ubi参数配置
 IMAGEFS_MKUBIFS_ARGS = "-m ${PAGESIZE} -e ${UBI_LEB_SIZE} -c 193 -x zlib -F"
 IMAGEFS_UBINIZE_ARGS = "-m ${PAGESIZE} -p ${ERASEBLOCK} -s ${PAGESIZE} -Q ${UBI_IMAGE_SEQ}"