Is 溯源之塔/Tower of Traceability down?

You control a magic tower floating in the sky, falling from the sky against enemies coming from all sides, choosing the right weapon mix for different enemies, using health and mana in a planned way, reducing their wear and gain more rewards. The tower is loaded with several powerful magical weapons, each of which has three different forms for different environments, and most of the time you can only choose one of them: Core magic array Description: The main attack method of the Tower of Origin, will cast the left mouse click magic, use SHIFT to switch weapons, is the only device can switch weapons in combat. Magic Cannon: Accurate magic artillery. Arcane missiles: Fire quickly, but not accurately. Dragon's Breath: Long cooldown, but powerful and wide. Arc-light magic guide Description: A powerful automatic defense device consisting of four magical levitating platforms called the Corona of Truth. Shaped Ray: The longer you hit a single target, the more damage you do. Destruction Laser: Deals a lot of damage to enemies in a straight line. Lightning Strike: Fire a bolt of lightning and catapult it into the enemy. The number of catapults is limited. Hitting too few enemies will reduce the cooldown. Close guard unit Description: The last defensive fire of the tower of origin, each close unit has two different damage types. Crystal gun: the puncture | shock | the cutting edge of chaos: puncture Dragon hunting crossbow: | impact cutting Strategic magic Description: Powerful magic that, when used correctly, can change the situation in an instant, usually consuming a large amount of mana. Explosive: Causing a violent explosion over a wide area. Rain of Chaos: Deliver sustained blows to the target. Psionic Impact: Full screen attack! Passive skill Description: Enhancements to the Traceable Tower itself, do not need to choose one of three, all passive skills will be effective in combat. Converging Energy: Increases base damage to...