Update README.md

README.md

@@ -2,4 +2,6 @@
 If you want to  run the project, you can't open the html file directly intead of using http server , such as ` http-server `
 
 ## Demo
-[lover-cat](https://zhanyuzhang.github.io/lovely-cat/cat.html)
+click [lover-cat](https://zhanyuzhang.github.io/lovely-cat/cat.html) and then you will sea a lovely black cat on the page!
+
+enjoy yourself!