so peers credited me that amount for safety? how they calculate the amount?
You were credited 0.00181104 BTC because you have closed that channel (forcefully). Since you were the founder of the channel, the transaction fee was deducted from your latest channel balance which was refunded to one of your addresses. You should force-close channels only if the other party is unresponsive. Since you have force-closed your channel, your transaction was delayed for 144 blocks (~1 day).
1. It's been a day it got stuck, should I wait?
I don't think you can bump the fee of a closing transaction even if it's marked as replaceable. Either wait or use CPFP as jackg suggested.