use
sudo pacman-mirrors -i -c China -m rank
Choose a mirror station in China
The following is an example of using a Huawei mirror station:
Instructions for use
Manjaro's warehouse address is: https://mirrors.huaweicloud.com/manjaro/
Manjaro's mirror address is: https://mirrors.huaweicloud.com/manjaro-cd/
1. Generate a list of available Chinese mirror sites:
sudo pacman-mirrors -i -c China -m rank
2. Select Huawei's mirror source: http://mirrors.huaweicloud.com/manjaro/
3. Execute sudo pacman -Syy to refresh the cache