Question Objects are off after importing .fbx from Blender

Hi!
After updating to the latest Blender Version i had some really annoying issues wich I mostly could get rid of.
But there is still one Problem left: When I export a .fbx of my Character from Blender and create a prefab in Unity the Weapons are a bit off which transfers to the animation as well.
It seems to me that they are in the position of the primary animation of Blender. But since the update of Blender, the program seems not to be willing to safe the character just in a pose without animation.
I'm sure this is just a dumb error on my side. Can you help me pleas?

Blender:


Unity: