I import a FBX From C4D R3,but have some problems in unity

this mod have some animetions,and i can play it in C4D or 3dmax very normal,then I export it to FBX and import to U3D ver4.0, the mod no problem but the animation is wrong,how can i solve this problem?![alt text][1] [1]: /storage/temp/6977-222.jpg