WHY I get so low acc?

[yxyyr]

WHY I get so low acc?
Epoch 23/25
2109/2109 [==============================] - 12s 6ms/step - loss: 1.0502 - acc: 0.4718 - val_loss: 1.1310 - val_acc: 0.3172

Epoch 00023: val_acc improved from 0.31034 to 0.31724, saving model to img_classifier_weights_v1_3d_23_0.32.hdf5
Epoch 24/25
2109/2109 [==============================] - 12s 6ms/step - loss: 1.0491 - acc: 0.4708 - val_loss: 1.1303 - val_acc: 0.3287

Epoch 00024: val_acc improved from 0.31724 to 0.32874, saving model to img_classifier_weights_v1_3d_24_0.33.hdf5
Epoch 25/25
2109/2109 [==============================] - 12s 6ms/step - loss: 1.0522 - acc: 0.4642 - val_loss: 1.1277 - val_acc: 0.3356

Epoch 00025: val_acc improved from 0.32874 to 0.33563, saving model to img_classifier_weights_v1_3d_25_0.34.hdf5
Saved model and weights to disk!
Traceback (most recent call last):