Which opkg feed should AXT1800 use?

I've just got a AXT1800 router, but when I try to update the opkg, I always get below result:

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/targets/ipq807x/ipq60xx/packages/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/targets/ipq807x/ipq60xx/packages/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/base/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_base
Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/gl_feeds_common/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/gl_feeds_common/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/immortalwrt_luci/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/immortalwrt_luci/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/ipq807x/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/ipq807x/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/kenzok8_packages/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/kenzok8_packages/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/luci/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_luci
Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_packages
Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/routing/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_routing
Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/small_package/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/small_package/Packages.gz

Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/telephony/Packages.gz
Updated list of available packages in /var/opkg-lists/openwrt_telephony
Downloading https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/wifi_ax/Packages.gz
*** Failed to download the package list from https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/wifi_ax/Packages.gz

Updating database.
Database update completed.

The errors are:

Collected errors:
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/targets/ipq807x/ipq60xx/packages/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/gl_feeds_common/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/immortalwrt_luci/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/ipq807x/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/kenzok8_packages/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/small_package/Packages.gz, wget returned 8.
 * opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02-SNAPSHOT/packages/arm_cortex-a7/wifi_ax/Packages.gz, wget returned 8.

The opkg info kernel is as below:

Package: kernel
Version: 4.4.60-1-5897ef85d53b8170949d0d69fe56409c
Depends: libc
Status: install user installed
Architecture: arm_cortex-a7
Installed-Time: 1677600484

Hi,

It seems that the repo feed the router is using not GL repo.
Please reset it to GL repo and try it again. Thanks.