diff --git a/pytorch-01/pytorch-01.ipynb b/pytorch-01/pytorch-01.ipynb
index 6af8c798..84c1f13c 100644
--- a/pytorch-01/pytorch-01.ipynb
+++ b/pytorch-01/pytorch-01.ipynb
@@ -465,7 +465,7 @@
      "output_type": "stream",
      "text": [
       "输入参数X的形状： (2, 3)\n",
-      "激活函数softmoid输出形状： (2, 3)\n",
+      "激活函数sigmoid输出形状： (2, 3)\n",
       "激活函数relu输出形状： (2, 3)\n",
       "激活函数softmax输出形状： (2, 3)\n"
      ]
@@ -473,7 +473,7 @@
    ],
    "source": [
     "X=np.random.rand(2,3)\n",
-    "def softmoid(x):\n",
+    "def sigmoid(x):\n",
     "    return 1/(1+np.exp(-x))\n",
     "def relu(x):\n",
     "    return np.maximum(0,x)\n",