NavMesh StartPath result is not same the Position as I want

Hi,
I’m newbie on using this great plugin and I have the problem when use NavMeshGraph,The StartParth result is Not equal to the end Point,How can I fix this problem?
Here is The Imagehttps://dropbox.com/s/nugcnp4lpvhg7cy/mesh_not_equal.jpg?dl=0
Thanks

I found the problem,“Exact End Point” choose “ClosestOnNode”