diff --git a/竞赛优胜技巧/.ipynb_checkpoints/Automated feature engineering-checkpoint.ipynb b/竞赛优胜技巧/.ipynb_checkpoints/Automated feature engineering-checkpoint.ipynb
index 488f3e0..ac77918 100644
--- a/竞赛优胜技巧/.ipynb_checkpoints/Automated feature engineering-checkpoint.ipynb	
+++ b/竞赛优胜技巧/.ipynb_checkpoints/Automated feature engineering-checkpoint.ipynb	
@@ -108,6 +108,7 @@
     "import numpy as np\n",
     "import time\n",
     "import gc\n",
+    "import pandas as pd\n",
     "\n",
     "import featuretools as ft\n",
     "from featuretools.primitives import *\n",
diff --git a/竞赛优胜技巧/Automated feature engineering.ipynb b/竞赛优胜技巧/Automated feature engineering.ipynb
index 488f3e0..ac77918 100644
--- a/竞赛优胜技巧/Automated feature engineering.ipynb	
+++ b/竞赛优胜技巧/Automated feature engineering.ipynb	
@@ -108,6 +108,7 @@
     "import numpy as np\n",
     "import time\n",
     "import gc\n",
+    "import pandas as pd\n",
     "\n",
     "import featuretools as ft\n",
     "from featuretools.primitives import *\n",