diff --git a/README.md b/README.md
index 570c7f2..4e4bd4a 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,11 @@
 
 - 朱文绮
 
+
+Click the Familiar or Unfamiliar button (current word frequency>1), the current word position is displayed at the top of the page;
+
+Click the Familiar or Unfamiliar button (current word frequency is 1), and the page will be displayed as the top of the entire page.
+
+Demo video link: https://b23.tv/QuB77m
+
+- 占健豪
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