--- a/feeds/luci/luci.mk
+++ b/feeds/luci/luci.mk
@@ -82,7 +82,7 @@ define findrev
       set -- $$(git log -1 --format="%ct %h" --abbrev=7 -- $(if $(1),. ':(exclude)po',po)); \
       if [ -n "$$1" ]; then
         secs="$$(($$1 % 86400))"; \
-        yday="$$(date --utc --date="@$$1" "+%y.%j")"; \
+        yday="$$(date --utc --date="@$$(($$1 + 365*24*60*60))" "+%y.%j")"; \
         printf 'git-%s.%05d-%s' "$$yday" "$$secs" "$$2"; \
       else \
         echo "unknown"; \
@@ -207,9 +207,20 @@ define Package/$(PKG_NAME)/install
 	$(call Build/Install/Default)
 	$(CP) $(PKG_INSTALL_DIR)/* $(1)/
  endif
+ ifneq ($(wildcard ${CURDIR}/po),)
+	$(INSTALL_DIR) $(1)/etc/uci-defaults
+	echo "uci set luci.languages.zh_cn='$(LUCI_LANG.zh_Hans)'; uci commit luci" \
+		> $(1)/etc/uci-defaults/luci-i18n-$(LUCI_BASENAME)-zh-cn
+	$(INSTALL_DIR) $(1)$(LUCI_LIBRARYDIR)/i18n
+	$(foreach po,$(wildcard ${CURDIR}/po/zh_Hans/*.po), \
+		po2lmo $(po) \
+			$(1)$(LUCI_LIBRARYDIR)/i18n/$(basename $(notdir $(po))).zh-cn.lmo;)
+ endif
+
 endef
 
 ifndef Package/$(PKG_NAME)/postinst
+ifneq ($(wildcard ${CURDIR}/htdocs/luci-static/resources/view),)
 define Package/$(PKG_NAME)/postinst
 [ -n "$${IPKG_INSTROOT}" ] || { \
 	rm -f /tmp/luci-indexcache.*
@@ -218,6 +229,16 @@ define Package/$(PKG_NAME)/postinst
 	exit 0
 }
 endef
+else
+define Package/$(PKG_NAME)/postinst
+[ -n "$${IPKG_INSTROOT}" ] || {$(foreach script,$(LUCI_DEFAULTS),
+	(. /etc/uci-defaults/$(script)) && rm -f /etc/uci-defaults/$(script))
+	rm -f /tmp/luci-indexcache.*
+	rm -rf /tmp/luci-modulecache/
+	exit 0
+}
+endef
+endif
 endif
 
 # some generic macros that can be used by all packages
@@ -334,5 +355,5 @@ define LuciTranslation
 
 endef
 
-$(foreach lang,$(LUCI_LANGUAGES),$(if $(LUCI_LANG.$(lang)),$(eval $(call LuciTranslation,$(firstword $(LUCI_LC_ALIAS.$(lang)) $(lang)),$(lang)))))
+# $(foreach lang,$(LUCI_LANGUAGES),$(if $(LUCI_LANG.$(lang)),$(eval $(call LuciTranslation,$(firstword $(LUCI_LC_ALIAS.$(lang)) $(lang)),$(lang)))))
 $(foreach pkg,$(LUCI_BUILD_PACKAGES),$(eval $(call BuildPackage,$(pkg))))