Applied for withdrawal on July and there is no result until now

Applied for withdrawal on July and the customer service informs that in order to prevent money laundering and terrorists, it requiested to be investigated and the withdrawal was suspended temporarily. But, I had provided all the informtation about the account and source of the fund and there is no investigation from relavent agency. There is no such The Supreme Monetary Authority of Singapore organization which claimed by the customer service. They simply looking for an excuse to not withdraw fund and steal the money. Please help to recover my hard-earning money.