diff --git a/README.md b/README.md
index 18c6ee2..279646d 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,8 @@
 
 ## [竞赛](https://www.kaggle.com/competitions)
 
+* 【推荐】特征工程全过程: https://www.cnblogs.com/jasonfreak/p/5448385.html
+
 ```
 机器学习比赛，奖金很高，业界承认分数。
 现在我们已经准备好尝试 Kaggle 竞赛了，这些竞赛分成以下几个类别。
diff --git a/src/python/getting-started/digit-recognizer/cnn_pytorch-python3.6.py b/src/python/getting-started/digit-recognizer/cnn_pytorch-python3.6.py
index f3278fd..3f7ed41 100644
--- a/src/python/getting-started/digit-recognizer/cnn_pytorch-python3.6.py
+++ b/src/python/getting-started/digit-recognizer/cnn_pytorch-python3.6.py
@@ -20,7 +20,7 @@ from torch.utils.data import Dataset, DataLoader
 import os.path
 
 # 数据路径
-data_dir = '/media/wsw/B634091A3408DF6D/data/kaggle/datasets/getting-started/digit-recognizer/'
+data_dir = '/opt/data/kaggle/getting-started/digit-recognizer/'
 
 class CustomedDataSet(Dataset):
     def __init__(self, train=True):