diff --git a/tutorials/lite/source_en/quick_start/train_lenet.md b/tutorials/lite/source_en/quick_start/train_lenet.md
index 08422b683e62a1212d813c4fd963b29faafa52f6..381bde6a4c422067dfd752d31b82e27aa70a4ce1 100644
--- a/tutorials/lite/source_en/quick_start/train_lenet.md
+++ b/tutorials/lite/source_en/quick_start/train_lenet.md
@@ -209,7 +209,7 @@ def TrainWrap(net, loss_fn=None, optimizer=None, weights=None):
 
 Finally, exporting the defined model.
 
-```cpp
+```python
 export(net, x, label, file_name="lenet_tod", file_format='MINDIR')
 print("finished exporting")
 ```