Due to the newly found code loopholes, the Ethreum Constantinople ugrade/fork will be put off until the end of this month. This fork will happen at bolck 7,280,000, and the expected date for the launch will be on Februrary 27th.
Gate.io will support the Ethereum coming Constantinople upgrade/fork which is supposed to happen at block #7,080,000 on Feb 27, 2019.