今天更新之后报错
root@derp-loongarch64 /etc/pacman.d # pacman -Syu
error: testing: key "65D4986C7904C6DBF2C4DD9A4E4E02B70BA5C468" is unknown
:: Import PGP key 65D4986C7904C6DBF2C4DD9A4E4E02B70BA5C468? [Y/n] y
error: testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: core-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: core: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: extra-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: extra: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: community-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: community: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: laur-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: laur: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
:: Synchronizing package databases...
testing 45.0 B 416 B/s 00:00 [####################################################] 100%
core-testing 42.9 KiB 670 KiB/s 00:00 [####################################################] 100%
core 173.1 KiB 2.01 MiB/s 00:00 [####################################################] 100%
extra-testing 1279.6 KiB 7.62 MiB/s 00:00 [####################################################] 100%
extra 6.5 MiB 10.1 MiB/s 00:01 [####################################################] 100%
community-testing 45.0 B 625 B/s 00:00 [####################################################] 100%
community 45.0 B 625 B/s 00:00 [####################################################] 100%
laur-testing 3.3 KiB 116 KiB/s 00:00 [####################################################] 100%
laur 20.7 KiB 740 KiB/s 00:00 [####################################################] 100%
error: testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: core-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: core: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: extra-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: extra: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: community-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: community: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: laur-testing: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: laur: signature from "Xiaotian Wu <wuxiaotian@loongson.cn>" is unknown trust
error: failed to synchronize all databases (invalid or corrupted database (PGP signature))