diff --git a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3518ev200.generic.config b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3518ev200.generic.config
index 36484648..2be3065a 100644
--- a/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3518ev200.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516cv200/kernel/hi3518ev200.generic.config
@@ -1687,7 +1687,7 @@ CONFIG_USB_OHCI_HCD_PLATFORM=y
 #
 # also be needed; see USB_STORAGE Help for more info
 #
-CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE is not set
 # CONFIG_USB_STORAGE_DEBUG is not set
 # CONFIG_USB_STORAGE_REALTEK is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
@@ -1773,7 +1773,7 @@ CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2
 # CONFIG_USB_PXA27X is not set
 # CONFIG_USB_MV_UDC is not set
 CONFIG_HIUSB_DEVICE2_0=y
-CONFIG_USB_HISI_UDC=m
+# CONFIG_USB_HISI_UDC is not set
 # CONFIG_USB_MV_U3D is not set
 # CONFIG_USB_M66592 is not set
 # CONFIG_USB_BDC_UDC is not set
@@ -1781,14 +1781,14 @@ CONFIG_USB_HISI_UDC=m
 # CONFIG_USB_GADGET_XILINX is not set
 # CONFIG_USB_DUMMY_HCD is not set
 CONFIG_USB_LIBCOMPOSITE=m
-CONFIG_USB_F_MASS_STORAGE=m
+# CONFIG_USB_F_MASS_STORAGE is not set
 # CONFIG_USB_CONFIGFS is not set
 # CONFIG_USB_ZERO is not set
 # CONFIG_USB_ETH is not set
 # CONFIG_USB_G_NCM is not set
 # CONFIG_USB_GADGETFS is not set
 # CONFIG_USB_FUNCTIONFS is not set
-CONFIG_USB_MASS_STORAGE=m
+# CONFIG_USB_MASS_STORAGE is not set
 # CONFIG_USB_G_SERIAL is not set
 # CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_mini_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_mini_defconfig
index cd24e488..94527ace 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_mini_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_mini_defconfig
@@ -98,6 +98,10 @@ BR2_PACKAGE_LINUX_FIRMWARE_OPENIPC_RTL8188EU=y
 BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
 BR2_PACKAGE_WIREGUARD_TOOLS=y
 
+# MQTT
+BR2_PACKAGE_MOSQUITTO=y
+# BR2_PACKAGE_MOSQUITTO_BROKER is not set
+
 # DEBUG
 BR2_PACKAGE_HOST_GDB=y
 BR2_PACKAGE_GDB=y
diff --git a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_openipc_defconfig b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_openipc_defconfig
index b44b3462..c6f6a86a 100644
--- a/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_openipc_defconfig
+++ b/br-ext-chip-hisilicon/configs/unknown_unknown_hi3518ev200_openipc_defconfig
@@ -99,6 +99,10 @@ BR2_PACKAGE_LINUX_FIRMWARE_OPENIPC_RTL8188EU=y
 BR2_PACKAGE_WIREGUARD_LINUX_COMPAT=y
 BR2_PACKAGE_WIREGUARD_TOOLS=y
 
+# MQTT
+BR2_PACKAGE_MOSQUITTO=y
+# BR2_PACKAGE_MOSQUITTO_BROKER is not set
+
 # DEBUG
 BR2_PACKAGE_HOST_GDB=y
 BR2_PACKAGE_GDB=y
diff --git a/building.sh b/building.sh
index bd4bd7a2..2771720b 100755
--- a/building.sh
+++ b/building.sh
@@ -135,13 +135,13 @@ rename_initramfs() {
 }
 
 autoup_rootfs() {
-  echo_c 34 "\nDownloading u-boot-hi3518ev200-universal.bin"
-  curl --location --output ./output/images/u-boot-hi3518ev200-universal.bin \
-    https://github.com/OpenIPC/firmware/releases/download/latest/u-boot-hi3518ev200-universal.bin
+  echo_c 34 "\nDownloading u-boot created by OpenIPC"
+  curl --location --output ./output/images/u-boot-${SOC}-universal.bin \
+    https://github.com/OpenIPC/firmware/releases/download/latest/u-boot-${SOC}-universal.bin
 
   echo_c 34 "\nMaking autoupdate u-boot image"
   ./output/host/bin/mkimage -A arm -O linux -T firmware -n "$OPENIPC_VER" \
-    -a 0x0 -e 0x50000 -d ./output/images/u-boot-hi3518ev200-universal.bin \
+    -a 0x0 -e 0x50000 -d ./output/images/u-boot-${SOC}-universal.bin \
     ./output/images/autoupdate-uboot.img
 
   echo_c 34 "\nMaking autoupdate kernel image"
@@ -192,7 +192,7 @@ FUNCS=(
   hi3518ev100
 
   hi3516cv200
-  hi3518ev200  hi3518ev200_hs303v1  hi3518ev200_ultimate
+  hi3518ev200  hi3518ev200_ultimate
 
   hi3516cv300  hi3516cv300_ultimate
   hi3516ev100
@@ -259,8 +259,9 @@ uni_build() {
   set -e
   if [ "$(echo $BOARD | cut -sd '_' -f 2)" == "" ]; then
     BOARD="${BOARD}_openipc"
-  elif [ "$BOARD" == "hi3518ev200_hs303v1" ]; then
-    BOARD=hi3518ev200_openipc
+  fi
+
+  if [ "$BOARD" == "hi3518ev200_openipc" ]; then
     NEED_AUTOUP=1
   fi
 
diff --git a/general/overlay/etc/modules b/general/overlay/etc/modules
index 57809af7..b2c7411f 100644
--- a/general/overlay/etc/modules
+++ b/general/overlay/etc/modules
@@ -1,3 +1,2 @@
 f2fs
 vfat
-#usb-storage
diff --git a/general/overlay/usr/sbin/sysupgrade b/general/overlay/usr/sbin/sysupgrade
index 82296dfc..b3fbff8a 100755
--- a/general/overlay/usr/sbin/sysupgrade
+++ b/general/overlay/usr/sbin/sysupgrade
@@ -83,7 +83,7 @@ download_firmware() {
 	echo "Download from $url"
 	[ -z "$HASERLVER" ] && progress="-#" || progress="-s"
 	[ "$(curl -o /dev/null -s -w '%{http_code}\n' "$url")" = "000" ] && die "Check your network!"
-	curl --connect-timeout 30 -s -m 60 -L "$url" ${progress} -o - | gzip -d | tar xf - -C /tmp && echo_c 32 "Received and unpacked" || die "Cannot retrieve $url"
+	curl --connect-timeout 30 -s -m 120 -L "$url" ${progress} -o - | gzip -d | tar xf - -C /tmp && echo_c 32 "Received and unpacked" || die "Cannot retrieve $url"
 	if [ "1" != "$skip_md5" ]; then
 		(cd /tmp && md5sum -s -c *.md5sum) || die "Wrong checksum!"
 	fi