diff --git a/0.1-poker-cards-dataset.ipynb b/0.1-poker-cards-dataset.ipynb
index a523e02..83fb4f1 100644
--- a/0.1-poker-cards-dataset.ipynb
+++ b/0.1-poker-cards-dataset.ipynb
@@ -43,8 +43,8 @@
     "最後你的目錄結構看起來像這樣:\n",
     "```\n",
     "xxxx.ipynb\n",
-    "cards_data.xlsx\n",
     "data/\n",
+    "├── cards_data.xlsx\n",
     "├── origin_imgs/\n",
     "│   ├── c01.PNG\n",
     "│   ├── c02.PNG\n",