diff --git a/tutorials/notebook/mixed_precision.ipynb b/tutorials/notebook/mixed_precision.ipynb
index 53a7b4b7f3732c0e4a917a5eff55d8c7ead0d13e..1455e1710d0a441722c49bb762baf1e05049e3c3 100644
--- a/tutorials/notebook/mixed_precision.ipynb
+++ b/tutorials/notebook/mixed_precision.ipynb
@@ -952,7 +952,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "当然，如果你想参考单步训练或者手动设置混合精度训练，可以参考官网教程<https://www.mindspore.com/tutorial/zh-CN/master/advanced_use/mixed_precision.html>。"
+    "当然，如果你想参考单步训练或者手动设置混合精度训练，可以参考官网教程<https://www.mindspore.cn/tutorial/zh-CN/master/advanced_use/mixed_precision.html>。"
    ]
   },
   {