Device
- Lenovo ThinkPad E14
 
Install Guide
Basically, all the guides from archlinux wiki work quiet well for me.
Notes:
- I didn’t use a swap partion, swapfile instead,wiki
 
Post-installation
- Desktop Environment, using plasma KDE
 
Issues run into during configuration
signature from “lilac (build machine) lilac@build.archlinuxcn.org“ is unknown trust
You may run into this issue while installing from AUR, just update the archlinux key ring.
sudo pacman -S archlinuxcn-keyring
mount a second disk
mount a second disk and make it auto mount after restart.
First, find the identify of your disks lsblk -f, you will see the UUID of your disk.
NAME        FSTYPE FSVER LABEL UUID                                 FSAVAIL FSUSE% MOUNTPOINTS
sda                                                                                
└─sda1      ext4   1.0   data  3ca0dbc1-fa30-44dc-900c-2c5d66a51a33  843.1G     3% /home/niko/data
nvme0n1                                                                            
├─nvme0n1p1 vfat   FAT32       3F7C-4045                                           
└─nvme0n1p2 ext4   1.0         5bb27951-03e8-42cc-9294-9fcb1ff1ef93    163G    25% /
Second, update the fstab content in /etc/fstab,add a new line to the file.
UUID=3ca0dbc1-fa30-44dc-900c-2c5d66a51a33      /home/niko/data  ext4            rw,relatime     0 1
- UUID: the uuid of your disk from the first step
 - dir: the directory to which your disk mount
 
Detail from wiki
install fcitx5
Setup the environment in the ~/.pam_enviroment. Detail from wiki
GTK_IM_MODULE DEFAULT=fcitx
QT_IM_MODULE  DEFAULT=fcitx
XMODIFIERS    DEFAULT=@im=fcitx
INPUT_METHOD  DEFAULT=fcitx
SDL_IM_MODULE DEFAULT=fcitx
install WeCom
Install WeCom from AUR
git clone https://aur.archlinux.org/com.qq.weixin.work.deepin.git
makepkg  # build ,make sure you install the build package
pacman -U com.qq.weixin.work.deepin-3.1.6.3605deepin6-2-x86_64.pkg.tar.zst
7z x /opt/apps/com.qq.weixin.work.deepin/files/helper_archive.7z # if you can not find any files in ~/.deepinwine/deepin-wine-helper
If your WeCom can not display the Chinese properly,install the following fonts.
- wqy-microhei - WenQuanYi Micro Hei font family (also known as Hei, Gothic or Dotum) is a sans-serif style derived from Droid Sans Fallback, it offers high quality CJK outline font and it is extremely compact (~5M).
 - wqy-zenhei - Hei Ti Style (sans-serif) Chinese Outline font embedded with bitmapped Song Ti (also supporting Japanese (partial) and Korean characters).
 - wqy-bitmapfont - Bitmapped Song Ti (serif) Chinese font.
 
From wiki
pacman -S wqy-miccrohei
pacman -S wqy-zenhei
pacman -S wqy-bitmapfont