because at that time, I did not keep a backup and not elsewhere wallet my number.
please help me.
Did you use bitcoin-qt?
yes, right.
1 year ago my laptop loss, so is there ways to find my wallet identifier?
You could:
Try to remember your private key.
Try random combinations to see if you find it.
Restore from a.... oh wait.
Login to ..... oh wait.
Cry?
Where is the laptop?
I forget only identifier, But my password I got it.
Well that's a start ... now if you could reveal what the wallet is (bitcoin-qt, electrum, blockchain.info) people might be able to offer further guidance