ubuntu报错：(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.253: g_strchug: assertion 'string != NULL' failed
sudo apt-get update
Hit:1 http://mirrors.163.com/ubuntu bionic InRelease
Hit:2 http://mirrors.163.com/ubuntu bionic-security InRelease
Hit:3 http://mirrors.163.com/ubuntu bionic-updates InRelease
Hit:4 http://mirrors.163.com/ubuntu bionic-proposed InRelease
Hit:5 https://mirrors.ustc.edu.cn/ubuntu bionic InRelease
Hit:6 http://mirrors.163.com/ubuntu bionic-backports InRelease
Hit:7 https://mirrors.ustc.edu.cn/ubuntu bionic-updates InRelease
Hit:8 http://mirrors.aliyun.com/ubuntu bionic InRelease
Hit:9 https://mirrors.ustc.edu.cn/ubuntu bionic-backports InRelease
Hit:10 https://mirrors.ustc.edu.cn/ubuntu bionic-security InRelease
Hit:11 https://mirrors.ustc.edu.cn/ubuntu bionic-proposed InRelease
Get:12 http://mirrors.aliyun.com/ubuntu bionic-security InRelease [88.7 kB]
Get:13 http://mirrors.aliyun.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:14 http://mirrors.aliyun.com/ubuntu bionic-proposed InRelease [242 kB]
Get:15 http://mirrors.aliyun.com/ubuntu bionic-backports InRelease [83.3 kB]
Get:16 http://mirrors.aliyun.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [76.9 kB]
Get:17 http://mirrors.aliyun.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [62.6 kB]
Get:18 http://mirrors.aliyun.com/ubuntu bionic-security/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:19 http://mirrors.aliyun.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [297 kB]
Get:20 http://mirrors.aliyun.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [303 kB]
Get:21 http://mirrors.aliyun.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,468 B]
Get:22 http://mirrors.aliyun.com/ubuntu bionic-backports/main amd64 DEP-11 Metadata [8,140 B]
Get:23 http://mirrors.aliyun.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [10.0 kB]
Fetched 1,265 kB in 2s (451 kB/s)
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.253: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.254: g_strchomp: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.620: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.620: g_strchomp: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.947: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:20.960: g_strchomp: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:21.032: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:21.032: g_strchomp: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:21.542: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:21.553: g_strchomp: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:22.253: g_strchug: assertion 'string != NULL' failed
(appstreamcli:30195): GLib-CRITICAL **: 10:14:22.254: g_strchomp: assertion 'string != NULL' failed
AppStream cache update completed, but some metadata was ignored due to errors.
Reading package lists... Done
