--- a/target/imagebuilder/Makefile
+++ b/target/imagebuilder/Makefile
@@ -38,13 +38,15 @@ $(BIN_DIR)/$(IB_NAME).tar.xz: clean
 		./files/repositories.conf \
 		$(TMP_DIR)/.targetinfo \
 		$(TMP_DIR)/.packageinfo \
-		$(PKG_BUILD_DIR)/
+		$(TOPDIR)/files \
+		$(PKG_BUILD_DIR)/ || true
 
-ifeq ($(CONFIG_IB_STANDALONE),)
 	echo '## Remote package repositories' >> $(PKG_BUILD_DIR)/repositories.conf
 	$(call FeedSourcesAppend,$(PKG_BUILD_DIR)/repositories.conf)
 	$(VERSION_SED_SCRIPT) $(PKG_BUILD_DIR)/repositories.conf
-endif
+	$(SED) 's/^src\/gz \(.*\) https.*ai\/\(.*packages.*\)/src \1 file:\/\/www\/wwwroot\/dl.openwrt.ai\/\2/' $(PKG_BUILD_DIR)/repositories.conf
+	$(SED) 's/^src\/gz \(.*\) https.*ai\/\(.*targets.*\)/src \1 file:\/\/www\/wwwroot\/dl.openwrt.ai\/\2/' $(PKG_BUILD_DIR)/repositories.conf
+	$(SED) '/openwrt_core/d' $(PKG_BUILD_DIR)/repositories.conf
 
 	$(INSTALL_DIR) $(PKG_BUILD_DIR)/packages
 	# create an empty package index so `opkg` doesn't report an error

--- a/target/imagebuilder/files/Makefile
+++ b/target/imagebuilder/files/Makefile
@@ -135,17 +135,32 @@ BUILD_PACKAGES:=$(filter-out $(filter -%,$(BUILD_PACKAGES)) $(patsubst -%,%,$(fi
 PACKAGES:=
 
 _call_image: staging_dir/host/.prereq-build
+	[ "$(DATE)" ] && DATE="$(DATE)" || DATE="`date +'%m.%d.%Y'`"; \
+	mkdir -p $(USER_FILES)/etc/uci-defaults || true; \
+	echo -e " \
+	sed -i \"s/[0-9]\+.[0-9]\+.[0-9]\{4\}/$$DATE/\" /etc/openwrt_release \n \
+	sed -i \"s/DISTRIB_ID=.*/DISTRIB_ID='$(ROOTFS_PARTSIZE)'/\" /etc/openwrt_release \n \
+	sed -i \"s/OpenWrt .* by/OpenWrt $$DATE by/\" /etc/banner \n \
+	echo \"$$DATE\" >/etc/openwrt_version \n \
+	"> $(USER_FILES)/etc/uci-defaults/99-version; \
 	echo 'Building images for $(BOARD)$(if $($(USER_PROFILE)_NAME), - $($(USER_PROFILE)_NAME))'
 	echo 'Packages: $(BUILD_PACKAGES)'
 	echo
 	rm -rf $(TARGET_DIR) $(TARGET_DIR_ORIG)
 	mkdir -p $(TARGET_DIR) $(BIN_DIR) $(TMP_DIR) $(DL_DIR)
+	if [[ "$(USER_PROFILE)" =~ (DEVICE_phicomm_k2p|DEVICE_asus_rt-n56u-b1|DEVICE_thunder_timecloud|DEVICE_youku_yk-l2|DEVICE_youhua_wr1200js|DEVICE_oraybox_x3a|DEVICE_netgear_wndr3700-v5|DEVICE_xiaomi_mi-router-4a-gigabit|DEVICE_xiaomi_mi-router-4a-gigabit-v2|DEVICE_xiaomi_mi-router-3g-v2|DEVICE_jcg_y2|DEVICE_glinet_gl-mt300a|DEVICE_glinet_gl-mt750|DEVICE_hiwifi_hc5661|DEVICE_hiwifi_hc5761|DEVICE_hiwifi_hc5861|DEVICE_lenovo_newifi-y1|DEVICE_lenovo_newifi-y1s|DEVICE_xiaomi_miwifi-mini|DEVICE_youku_yk-l1c|DEVICE_jdcloud_luban|DEVICE_zte_e8820v2) || "$(TARGETID)" == "ramips/mt76x8" ]]; then \
+		echo "src/gz openwrt_smflash https://dl.openwrt.ai/packages/small_flash" >>$(TOPDIR)/repositories.conf; \
+	else \
+		sed -i "/smflash/d" $(TOPDIR)/repositories.conf; \
+	fi
 	$(MAKE) package_reload
 	$(MAKE) package_install
 	$(MAKE) -s prepare_rootfs
 	$(MAKE) -s build_image
 	$(MAKE) -s json_overview_image_info
 	$(MAKE) -s checksum
+	rm -rf $(KERNEL_BUILD_DIR)/tmp
+	rm -rf $(KERNEL_BUILD_DIR)/root.*
 
 _call_manifest: FORCE
 	rm -rf $(TARGET_DIR)
@@ -186,7 +201,17 @@ package_install: FORCE
 	@echo Installing packages...
 	$(OPKG) install $(firstword $(wildcard $(LINUX_DIR)/libc_*.ipk $(PACKAGE_DIR)/libc_*.ipk))
 	$(OPKG) install $(firstword $(wildcard $(LINUX_DIR)/kernel_*.ipk $(PACKAGE_DIR)/kernel_*.ipk))
-	$(OPKG) install $(BUILD_PACKAGES)
+	for p in $(BUILD_PACKAGES); do \
+		if [[ $$p == luci-app-* && "`$(OPKG) list | grep luci-i18n-\`echo $$p | cut -d - -f 3-\`-zh-cn`" ]]; then \
+			packages+="luci-i18n-`echo $$p | cut -d - -f 3-`-zh-cn "; \
+		fi \
+	done; \
+	if [[ "`echo "$(BUILD_PACKAGES)" | grep "usb"`" ]]; then \
+		packages+="automount "; \
+	fi; \
+	$(OPKG) install --force-overwrite --force-checksum --force-depends $(BUILD_PACKAGES) luci-i18n-base-zh-cn luci-i18n-base-en; \
+	$(OPKG) install $$packages || true
+	$(OPKG) install --force-overwrite --force-checksum --force-depends --force-maintainer --force-reinstall my-default-settings
 
 prepare_rootfs: FORCE
 	@echo
@@ -200,12 +225,15 @@ prepare_rootfs: FORCE
 		) \
 	)
 	$(call prepare_rootfs,$(TARGET_DIR),$(USER_FILES),$(DISABLED_SERVICES))
+	if [[ "$(USER_PROFILE)" =~ (DEVICE_phicomm_k2p|DEVICE_asus_rt-n56u-b1|DEVICE_thunder_timecloud|DEVICE_youku_yk-l2|DEVICE_youhua_wr1200js|DEVICE_oraybox_x3a|DEVICE_netgear_wndr3700-v5|DEVICE_xiaomi_mi-router-4a-gigabit|DEVICE_xiaomi_mi-router-3g-v2|DEVICE_jcg_y2|DEVICE_glinet_gl-mt300a|DEVICE_glinet_gl-mt750|DEVICE_hiwifi_hc5661|DEVICE_hiwifi_hc5761|DEVICE_hiwifi_hc5861|DEVICE_lenovo_newifi-y1|DEVICE_lenovo_newifi-y1s|DEVICE_xiaomi_miwifi-mini|DEVICE_youku_yk-l1c|DEVICE_jdcloud_luban) || "$(TARGETID)" == "ramips/mt76x8" ]]; then \
+		echo "src/gz openwrt_smflash https://dl.openwrt.ai/packages/mipsel_24kc/small_flash" >>$(BUILD_DIR)/root-ramips/etc/opkg/distfeeds.conf; \
+	fi
 
 build_image: FORCE
 	@echo
 	@echo Building images...
 	rm -rf $(BUILD_DIR)/json_info_files/
-	$(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 EXTRA_IMAGE_NAME="$(EXTRA_IMAGE_NAME)" \
+	nice -n 19 $(NO_TRACE_MAKE) -C target/linux/$(BOARD)/image install TARGET_BUILD=1 IB=1 EXTRA_IMAGE_NAME="$(EXTRA_IMAGE_NAME)" \
 		$(if $(USER_PROFILE),PROFILE="$(USER_PROFILE)")
 
 $(BIN_DIR)/profiles.json: FORCE