diff --git a/paddle2.0_docs/linear_regression/linear_regression.ipynb b/paddle2.0_docs/linear_regression/linear_regression.ipynb
index 798e1971ed1cc2ac352f4c23a9fa807c7ae606d7..08e0d6626ae7b5f435fc7fa7f258a607e74014de 100644
--- a/paddle2.0_docs/linear_regression/linear_regression.ipynb
+++ b/paddle2.0_docs/linear_regression/linear_regression.ipynb
@@ -100,7 +100,7 @@
    "outputs": [],
    "source": [
     "#下载数据\n",
-    "#!wget https://archive.ics.uci.edu/ml/machine-learning-databases/housing/housing.data -O housing.data "
+    "!wget https://archive.ics.uci.edu/ml/machine-learning-databases/housing/housing.data -O housing.data "
    ]
   },
   {