I'm overstay my visa is in Abu Dhabi how can I...

You can file a grievance with the General Administration of Residency and Foreigners Affairs to agree to exempt you from the fine or part of it and to pay it in installments, knowing that:
Currently there is no amnesty for fines for overstaying the residence, as the UAE government has granted violators of residence and visa laws on its territory a grace period that started from August 1, 2018 and ended on December 31, 2018, to enable them to correct their conditions either to leave or to properly amend the residence status without paying fines or a deprivation seal until today, no new amnesty has been issued in this regard, and you can follow the official website of the General Administration of Residence and Foreigners Affairs to see the latest developments in this regard either to leave or to properly amend the residence status without paying fines or a deprivation seal until today, no new amnesty has been issued in this regard, and you can follow the official website of the General Administration of Residence and Foreigners Affairs to see the latest developments in this regard