Dreaming of white high heels

The following answers are for reference only:

Shoes represent slaves in ancient times, but now they represent subordinates, friends and the like. (Wei Zi fought for the "Slave Palace", which is now mostly called "Friendship Palace")

Wearing beautiful shoes represents the strength of friends and subordinates. Or have good friends or something.

The shoe was bitten by a bug, indicating that a friend or subordinate was ill.