WAR for preliminary section

[yifeifang]

Need to be update once PA is ported over

[yifeifang]

https://github.com/yifeifang/ysyx-docs-content/blob/272d1b58a341641adc161e14cada6635380f2978/zh/preliminary/CompletePA1.md#L44-L47

need to fix once PA is in

[yifeifang]

https://github.com/yifeifang/ysyx-docs-content/blob/7cf651e8d31a0f106279198d3400a8cac754f148/zh/preliminary/LinuxSystemInstallationAndBasicUsage.md#L10-L11 Need to fix