diff --git a/scripts/data_collector/yahoo/README.md b/scripts/data_collector/yahoo/README.md
index 3ce9bae7f6..d84e4d8d83 100644
--- a/scripts/data_collector/yahoo/README.md
+++ b/scripts/data_collector/yahoo/README.md
@@ -10,6 +10,7 @@
 
 > *Please pay **ATTENTION** that the data is collected from [Yahoo Finance](https://finance.yahoo.com/lookup) and the data might not be perfect. We recommend users to prepare their own data if they have high-quality dataset. For more information, users can refer to the [related document](https://qlib.readthedocs.io/en/latest/component/data.html#converting-csv-format-into-qlib-format)*
 
+**NOTE**:  Yahoo! Finance has blocked the access from China. Please change your network if you want to use the Yahoo data crawler.
 
 >  **Examples of abnormal data**