Contract doesn't automatically add liquidity

Hi guys I just cloned a safemoon’s contract, deployed on bsc, set liquidity fee and set liquify option to true
but when I make a transaction I don’t see contract calling the pancakeswap router at all
does anyone know why this happens?
thanks!

Contract Address 0x4e2d4332669fe83e69886eb31f03ab07a6dc4a77 | BscScan