diff --git a/Makefile b/Makefile
index 3593831c5..db0a7a6a9 100644
--- a/Makefile
+++ b/Makefile
@@ -311,22 +311,22 @@ package_offline: compile build modify_composefile
 	
 	@echo "saving harbor docker image"
 	@if [ "$(NOTARYFLAG)" = "true" ] ; then \
-		$(DOCKERSAVE) -o $(HARBORPKG)/$(DOCKERIMGFILE).$(VERSIONTAG).tgz \
-		$(DOCKERIMAGENAME_ADMINSERVER):$(VERSIONTAG) \
+		$(DOCKERSAVE) $(DOCKERIMAGENAME_ADMINSERVER):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_UI):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_LOG):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_DB):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_JOBSERVICE):$(VERSIONTAG) \
 		nginx:$(NGINXVERSION) vmware/registry:$(REGISTRYVERSION) photon:$(PHOTONVERSION) \
-		vmware/notary-photon:$(NOTARYVERSION) vmware/notary-photon:$(NOTARYSIGNERVERSION) vmware/harbor-notary-db:$(MARIADBVERSION); \
+		vmware/notary-photon:$(NOTARYVERSION) vmware/notary-photon:$(NOTARYSIGNERVERSION) \
+		vmware/harbor-notary-db:$(MARIADBVERSION) | gzip > $(HARBORPKG)/$(DOCKERIMGFILE).$(VERSIONTAG).tar.gz; \
 	else \
-		$(DOCKERSAVE) -o $(HARBORPKG)/$(DOCKERIMGFILE).$(VERSIONTAG).tgz \
-		$(DOCKERIMAGENAME_ADMINSERVER):$(VERSIONTAG) \
+		$(DOCKERSAVE) $(DOCKERIMAGENAME_ADMINSERVER):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_UI):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_LOG):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_DB):$(VERSIONTAG) \
 		$(DOCKERIMAGENAME_JOBSERVICE):$(VERSIONTAG) \
-		nginx:$(NGINXVERSION) vmware/registry:$(REGISTRYVERSION) photon:$(PHOTONVERSION) ; \
+		nginx:$(NGINXVERSION) vmware/registry:$(REGISTRYVERSION) \
+		photon:$(PHOTONVERSION) | gzip > $(HARBORPKG)/$(DOCKERIMGFILE).$(VERSIONTAG).tar.gz; \
 	fi
 	
 	@if [ "$(NOTARYFLAG)" = "true" ] ; then \
diff --git a/make/install.sh b/make/install.sh
index def0189f0..d1e1bd994 100755
--- a/make/install.sh
+++ b/make/install.sh
@@ -140,10 +140,10 @@ h2 "[Step $item]: checking installation environment ..."; let item+=1
 check_docker
 check_dockercompose
 
-if [ -f harbor*.tgz ]
+if [ -f harbor*.tar.gz ]
 then
 	h2 "[Step $item]: loading Harbor images ..."; let item+=1
-	docker load -i ./harbor*.tgz
+	docker load -i ./harbor*.tar.gz
 fi
 echo ""