Follow Curve Force Field Doesn't Work? I had a Problem Using the Follow CUrve Force Filed in blender 2.77.

This is the Scene:



The Highilighted Object is a Plane, with a particle Setting and the curve has a Follow Curve Force Field Applied.

But when I play the animation:


Am I doing something wrong?
Is there a way to fix this?

Another Situation:

This is the Curve:


The Emitter:


But, When I play the Animation: 


Any Way to fix this?

Blend File:
I found the fix.

You have to check the Path Animation in Curve's properties.