From HF user page "Dear users,

Because of the current market situation, with the latest spike of mining difficulty exceeding 14% (https://bitcoinwisdom.com/bitcoin/difficulty), while the price of Bitcoin continues to decline, the payout was lower than the maintenance fee, which resulted in the balance not increasing and remaining the same. We are considering all possible options, while taking into account the available resources, to optimize the mining process where it is possible."

I mean wow, wtf, now you get it, they must be really stupid, i tried to tell this for the last six months.