diff --git a/index/js/style.js b/index/js/style.js
index eb04372..31b394b 100644
--- a/index/js/style.js
+++ b/index/js/style.js
@@ -208,6 +208,7 @@ $(".connections ul").on("click", "i", function(){
                 $parent.remove();
                 updateCountNum();
             }
+            $('[data-toggle="tooltip"]').tooltip('hide');
         },
         error: err,
         beforeSend: function(xhr){