diff --git a/ogb_examples/nodeproppred/unimp/README.MD b/ogb_examples/nodeproppred/unimp/README.MD
index e03faceaf4ca89a39287df8eb27f73156c068725..ef349b854ed397fe5bd1d4c7c56d349ab2848079 100644
--- a/ogb_examples/nodeproppred/unimp/README.MD
+++ b/ogb_examples/nodeproppred/unimp/README.MD
@@ -2,6 +2,9 @@
 
 This experiment is based on stanford OGB (1.2.1) benchmark. The description of 《Masked Label Prediction: Unified Massage Passing Model for Semi-Supervised Classification》 is [avaiable here](). The steps are:
 
+### Note:
+    The result of Arxiv dataset have been updated, which is slight different from the paper.
+
 ### Install environment:
 ``` 
     git clone https://github.com/PaddlePaddle/PGL.git