compile sft1200 error

[BlueTailCat]

environment: ubuntu 18.04

ubuntu@ubuntu:~/gl_imagebuilder$ **./gl_image -p sft1200**


....

Configuring gl-siderouter.
Configuring gl-firewall.
Configuring lighttpd-mod-fastcgi.
Configuring kmod-button-hotplug.
Configuring kmod-sf_netlink.
Configuring kmod-crypto-sha1.
Configuring kmod-mppe.
Configuring gl-qos-internal.
Configuring kmod-ipt-offload.
Configuring gl-ui.
Configuring libnet-1.2.x.
Configuring ppp-mod-pppoe.
Configuring dnsmasq-full.
**Collected errors:
 * opkg_download: Failed to download https://fw.gl-inet.com/releases/v18.06.5/packages-3.6/siflower/packages/tor_0.4.6.8-1_mips_siflower.ipk, wget returned 8.
 * opkg_install_pkg: Failed to download tor. Perhaps you need to run 'opkg update'?
 * opkg_install_cmd: Cannot install package gl-tor.
 * resolve_conffiles: Existing conffile /home/ubuntu/gl_imagebuilder/imagebuilder/3.8/openwrt-imagebuilder-siflower-sf19a28-nand_3.8/build_dir/target-mipsel_mips-interAptiv_musl/root-siflower/etc/config/ddns is different from the conffile in the new package. The new conffile will be placed at /home/ubuntu/gl_imagebuilder/imagebuilder/3.8/openwrt-imagebuilder-siflower-sf19a28-nand_3.8/build_dir/target-mipsel_mips-interAptiv_musl/root-siflower/etc/config/ddns-opkg.
Makefile:149: recipe for target 'package_install' failed
make[2]: *** [package_install] Error 255
Makefile:108: recipe for target '_call_image' failed
make[1]: *** [_call_image] Error 2
Makefile:192: recipe for target 'image' failed
make: *** [image] Error 2**
Failed to build SF19A28-GL-SFT1200...