diff --git a/bin/build.sh b/bin/build.sh
index 97adf1c..9dae990 100755
--- a/bin/build.sh
+++ b/bin/build.sh
@@ -44,7 +44,9 @@ pre-build-tar(){
 	if [ ! -d ${ReleseDir}/tars ]; then
 		mkdir -p ${ReleseDir}/tars
 	fi
-	source ${BuildRootDir}/bin/control.sh	
+	source ${BuildRootDir}/bin/control.sh
+	sed -i "s/YYYYMMDD/${RelDate}/" ${BuildDockerDir}/env/wfc-release
+	git update-index --assume-unchanged ${BuildDockerDir}/env/wfc-release	
 }
 
 pre-git-pull(){
@@ -70,7 +72,8 @@ pre-build-deb(){
 	if [ ! -d ${DebSystemdDir} ]; then
 		mkdir -p ${DebSystemdDir}
 	fi
-
+	sed -i "s/YYYYMMDD/${RelDate}/" ${BuildDockerDir}/env/wfc-release
+	git update-index --assume-unchanged ${BuildDockerDir}/env/wfc-release
 }
 
 build-extras(){
@@ -196,9 +199,10 @@ create-deb(){
 }
 
 post-build(){
-	if [ -f ${TmpEnvFile} ] && [ ! -f ${BuildDockerDir}/.env ]; then
-		mv -f ${TmpEnvFile} ${BuildDockerDir}/.env
-	fi
+	# if [ -f ${TmpEnvFile} ] && [ ! -f ${BuildDockerDir}/.env ]; then
+	# 	mv -f ${TmpEnvFile} ${BuildDockerDir}/.env
+	# fi
+	git checkout ${BuildDockerDir}/env/wfc-release
 }
 
 case "$1" in
@@ -224,7 +228,7 @@ case "$1" in
 		build-dist
 		copy-file
 		create-tar
-		# post-build
+		post-build
 		;;
 	"deb")
         if [ "$SKIP_PRE_GIT_PULL" = false ]; then
@@ -237,7 +241,7 @@ case "$1" in
 		copy-file
 		copy-file-debbuild
 		create-deb
-		# post-build
+		post-build
 		;;
 	"src-tar")
         if [ "$SKIP_PRE_GIT_PULL" = false ]; then
diff --git a/build/bin/wfcupgrade.sh b/build/bin/wfcupgrade.sh
old mode 100644
new mode 100755