diff --git a/01.03 机器学习常用的包.ipynb b/01.03 机器学习常用的包.ipynb
index 9e23395..9adc028 100644
--- a/01.03 机器学习常用的包.ipynb
+++ b/01.03 机器学习常用的包.ipynb
@@ -2051,7 +2051,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# 2.数据划分\n",
     "from sklearn.model_selection import train_test_split\n",
     "X_train,X_test,Y_train,Y_test = train_test_split(X, y, test_size=0.1, random_state=0)\n"
    ]
@@ -2107,7 +2106,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# 5.模型评估\n",
     "print(\"\\n得出来的权重：\", estimator.coef_)\n",
     "print(\"\\nLogistic Regression模型训练集的准确率：%.1f%%\" %(estimator.score(X_train, Y_train)*100))"
    ]
diff --git a/01.04 Keras MNIST Playground.ipynb b/01.04 Keras MNIST Playground.ipynb
index 15c5df8..28d3973 100644
--- a/01.04 Keras MNIST Playground.ipynb
+++ b/01.04 Keras MNIST Playground.ipynb
@@ -18,7 +18,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<img src=\"https://s3.amazonaws.com/keras.io/img/keras-logo-2018-large-1200.png\" width=300>\n",
+    "<img src=\"http://imgbed.momodel.cn//20200112152635.png\" width=300>\n",
     "\n",
     "Keras 是一个用 Python 编写的高级神经网络 API，它能够以 TensorFlow，CNTK 或者 Theano 作为后端运行。\n",
     "\n",