after test，only background is defected

[pengyaru]

@YudeWang ,hello, can i ask you a question?
I executed the test operation，but only background was segmented。
the result is as following:

38/41
P[i].value: 9437184
P[i].value: 0
P[i].value: 0
7/41
P[i].value: 9699328
P[i].value: 0
P[i].value: 0
15/41
P[i].value: 9961472
P[i].value: 0
P[i].value: 0
23/41
P[i].value: 10223616
P[i].value: 0
P[i].value: 0
31/41
P[i].value: 10485760
P[i].value: 0
P[i].value: 0
39/41
P[i].value: 10747904
P[i].value: 0
P[i].value: 0
backbound: 97.516% w04: 0.000%
w13: 0.000%

   mIoU: 32.505%

Test finished

[zhangbanxian123]

你修改了什么？只放这个看不出来哪里出错了哦

[cqm521]

I meet the same question that only background was segmented.I only change the number of GPU，and the result not show the proportion of categories. Could you tell me how to solve it? Thanks.
I am eager to your response.