strange results of training and validation

[ABexit]

In "aishell"and "Merged_Arabic_Corpus_of_Isolated_Words" datasets, the predicted results looks like a random guess when training, and will always get a same result when validation. Have you encountered this problem? Thanks. """ The validation results as follows, left: label, right: prediction------ [25] [11] [39] [11] [41] [11] [130] [11] [2] [11] """