fuyun

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![image](https://github.com/fuyunfuyun666/image/blob/master/loss.JPG) 你好,这个loss一直在震荡是怎么回事啊? loss这么高200左右对吗?

why my loss is negative and 0.000000,please help child!!@MichalBusta like this: ![image](https://user-images.githubusercontent.com/42915208/56666692-f3c41e80-66de-11e9-905a-b069d40e9e63.png)