When the transfer was failed on TokenPocket wallet, it is usually caused by the following three reasons:
Out of gas
If a transfer fails, TokenPocket will not deduct your assets, and you can check your assets on the [Assets] page.
It should be noted that the miner fee generated by this transfer will not be refunded. It is not that TokenPocket "stolen" your miner fee, but because this transaction has been packaged by the miner, which means that the miner fee has been collected by the miner.