CSV文件训练出现-nan

[gongel]

-----------] Epoch Train log_loss Test log_loss Test Accuarcy Time cost (sec) [ 1% ] 1 -nan -nan 0.905664 10.20 [ 2% ] 2 -nan -nan 0.905664 7.12 [ 3% ] 3 -nan -nan 0.905664 7.28 [ 4% ] 4 -nan -nan 0.905664 7.02 [ 5% ] 5 -nan -nan 0.905664 7.07