diff --git a/meta-openeuler/conf/distro/openeuler.conf b/meta-openeuler/conf/distro/openeuler.conf
index 5d4e8b302af81cff43dee501a95c68f8c0eca5ba..032970c1c9a565c9fcfbac80205b84392c58132f 100644
--- a/meta-openeuler/conf/distro/openeuler.conf
+++ b/meta-openeuler/conf/distro/openeuler.conf
@@ -23,7 +23,8 @@ DISTRO_FEATURES ?= "${DISTRO_FEATURES_DEFAULT} ${OPENEULER_DEFAULT_DISTRO_FEATUR
 PREFERRED_VERSION_linux-openeuler ?= "5.10%"
 
 SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
-SDKPATHINSTALL = "/opt/${DISTRO}/${SDK_VERSION}"
+# set default sdk install directory
+SDKPATH = "/opt/${DISTRO}/${SDK_VERSION}"
 
 DISTRO_EXTRA_RDEPENDS += "${OPENEULER_DEFAULT_EXTRA_RDEPENDS}"
 DISTRO_EXTRA_RRECOMMENDS += "${OPENEULER_DEFAULT_EXTRA_RRECOMMENDS}"
diff --git a/meta-openeuler/recipes-core/images/openeuler-image.bb b/meta-openeuler/recipes-core/images/openeuler-image.bb
index 5ab642ee1d6f19478909f4c0daa4793759946814..c5e04b279695c11694f2aeeb017a0bcaf13906c0 100644
--- a/meta-openeuler/recipes-core/images/openeuler-image.bb
+++ b/meta-openeuler/recipes-core/images/openeuler-image.bb
@@ -46,7 +46,10 @@ RPMROOTFSDEPENDS = ""
 #IMAGE_ROOTFS_SIZE ?= "8192"
 #IMAGE_ROOTFS_EXTRA_SPACE_append = "${@bb.utils.contains("DISTRO_FEATURES", "systemd", " + 4096", "", d)}"
 
-OUTPUT_DIR = "${TOPDIR}/output/${DATETIME}"
+OUTPUTTIME = "${DATETIME}"
+# Ignore how DATETIME is computed
+OUTPUTTIME[vardepsexclude] = "DATETIME"
+OUTPUT_DIR = "${TOPDIR}/output/${OUTPUTTIME}"
 
 #No kernel-abiversion file found, cannot run depmod, aborting
 USE_DEPMOD = "0"
diff --git a/meta-openeuler/recipes-core/os-release/os-release.bbappend b/meta-openeuler/recipes-core/os-release/os-release.bbappend
index 4aea1c31fc67d2811dbc697a02865aefa648bee0..5c30d390ffde0102dce2a3fbb9ff693ba8638725 100644
--- a/meta-openeuler/recipes-core/os-release/os-release.bbappend
+++ b/meta-openeuler/recipes-core/os-release/os-release.bbappend
@@ -1,5 +1,7 @@
+BUILDTIME = "${DATETIME}"
+BUILDTIME[vardepsexclude] = "DATETIME"
 do_install_append () {
-    if [ "${DATETIME}" ]; then
-        echo ${DATETIME} > ${D}${sysconfdir}/os-revision
+    if [ "${BUILDTIME}" ]; then
+        echo ${BUILDTIME} > ${D}${sysconfdir}/os-revision
     fi
 }