Update README.md

ansjsun · shi-yuan · commit 480eb8616e83 · 2018-01-30T21:19:02.000+08:00
diff --git a/README.md b/README.md
@@ -66,7 +66,7 @@ You can also use ES functions in SQL.
 
 ## explain example 
 
-you can visite : [http://www.nlpcn.org:9999/web/](http://www.nlpcn.org:9999/web/) , it is a sample example for explain
+you can visite : [http://essql.nlpcn.org/](http://essql.nlpcn.org/) , it is a sample example for explain
 
 ## Web frontend overview
 
