预训练模型在测试集上面的错误率很高

[kyrie0520]

hyp: SET GREEN AT R SEVEN AGAIN
ref: PLACE BLUE IN O FOUR NOW
progress: 529/4000 cur WER: 100.00 cur CER: 105.26 avg WER: 84.97 avg CER: 79.15
hyp: SET GREEN AT R SEVEN AGAIN
ref: PLACE BLUE IN O FIVE SOON
progress: 530/4000 cur WER: 100.00 cur CER: 90.00 avg WER: 85.00 avg CER: 79.17
hyp: SET GREEN AT R SEVEN AGAIN
这是测试中的一部分我想请问预训练模型GRID_V_WER4.8在GRID数据集上WER和CER那么高