Maliciously deny withdrawal

Because my ustd is in the erc20 channel, so I transferred more than 130,000 U to the ZB exchange platform and then transferred it to the trc20 channel, but the risk control specialist of ZB platform maliciously refused to allow the withdrawal of coins. The channel will make the trading platform risky, check the source of my U. This is simply nonsense! If you want to add a crime, there is no need to worry, the China currency exchange platform maliciously occupies the legal assets of others!