[modify] modify zshrc for zsh prompt.
[modify] modify zshrc for zsh prompt.

Signed-off-by: cedar <9a2a291e076ba17380b2000c799fb9df28c2d489@debian>

cedarli/zsh,cedarli/zsh,cedarli/zsh,cedarli/zsh,cedarli/zsh,cedarli/zsh