diff --git a/inst/app/www/custom.css b/inst/app/www/custom.css
index 785cb8f..84fbf25 100644
--- a/inst/app/www/custom.css
+++ b/inst/app/www/custom.css
@@ -5,8 +5,9 @@
   background: #FFF;
 }
 
+/* menu will hide in left when use left option*/
 .dropdown-menu{
-  left: auto !important;
+  /* left: auto !important; */
   right: 0 !important;
 }