diff --git a/train_with_tensorboard.py b/train_with_tensorboard.py
index eba0c3325d12ac742268752830c220a6183856e4..d85b4eb289de1e576f5335d7e16184174e94a6a6 100644
--- a/train_with_tensorboard.py
+++ b/train_with_tensorboard.py
@@ -79,7 +79,7 @@ def fit_ont_epoch(net,yolo_losses,epoch,epoch_size,epoch_size_val,gen,genval,Epo
         
     # 将loss写入tensorboard，下面注释的是每个世代保存一次
     # writer.add_scalar('Train_loss', total_loss/(iteration+1), epoch)
-
+    net.eval()
     print('Start Validation')
     with tqdm(total=epoch_size_val, desc=f'Epoch {epoch + 1}/{Epoch}',postfix=dict,mininterval=0.3) as pbar:
         for iteration, batch in enumerate(genval):
@@ -108,7 +108,7 @@ def fit_ont_epoch(net,yolo_losses,epoch,epoch_size,epoch_size_val,gen,genval,Epo
 
             pbar.set_postfix(**{'total_loss': val_loss.item() / (iteration + 1)})
             pbar.update(1)
-            
+    net.train()
     # 将loss写入tensorboard，每个世代保存一次
     writer.add_scalar('Val_loss',val_loss/(epoch_size_val+1), epoch)
     print('Finish Validation')