what is mean spriteframe offset?

what is mean spriteframe offset?
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what is mean spriteframe offset?I use Texture Packer release a sprite sheet,and create two animate.I use the ‘hero_idle_00.png’ (the idle action first frame) create a sprite,and set position ,and create a animate with idle and attack action forever .a error position happen,the sprite play the idle action at a position and play the attack action at another place,and I want is the same place.is it about offset?I set offset by 0 ,So the problem disappear.

Untitled_default.plist.zip (1.1 KB)


help me