Nash

Results 3 issues of Nash

train with full dataset, the 4000 iter is normal, afer 4000, it errors. ``` 2022-05-10 17:35:33,142 - mmdet.ssod - INFO - Iter [3900/72000] lr: 1.000e-04, eta: 8:14:16, time: 0.430, data_time:...