diff --git a/chapter1/4_cifar10_tutorial.ipynb b/chapter1/4_cifar10_tutorial.ipynb
index 2dfd756e..63555159 100644
--- a/chapter1/4_cifar10_tutorial.ipynb
+++ b/chapter1/4_cifar10_tutorial.ipynb
@@ -60,7 +60,7 @@
     "\n",
     "\n",
     "1. 读取和归一化 CIFAR10\n",
-    "^^^^^^^^^^^^^^^\n",
+    "________________________\n",
     "\n",
     "使用``torchvision``可以非常容易的加载CIFAR10。\n"
    ]