diff --git a/editor/js/ui/common/popover.js b/editor/js/ui/common/popover.js
index 0170f7070..d0253a8cc 100644
--- a/editor/js/ui/common/popover.js
+++ b/editor/js/ui/common/popover.js
@@ -53,7 +53,12 @@ RED.popover = (function() {
                     div.addClass("red-ui-popover-size-"+size);
                 }
                 if (typeof content === 'function') {
-                    content.call(res).appendTo(div);
+                    var result = content.call(res);
+                    if (typeof result === 'string') {
+                        div.text(result);
+                    } else {
+                        div.append(result);
+                    }
                 } else {
                     div.html(content);
                 }
@@ -63,8 +68,8 @@ RED.popover = (function() {
 
 
                 var targetPos = target.offset();
-                var targetWidth = target.width();
-                var targetHeight = target.height();
+                var targetWidth = target.outerWidth();
+                var targetHeight = target.outerHeight();
                 var divHeight = div.height();
                 var divWidth = div.width();
                 if (direction === 'right') {
@@ -147,7 +152,17 @@ RED.popover = (function() {
     }
 
     return {
-        create: createPopover
+        create: createPopover,
+        tooltip: function(target,content) {
+            RED.popover.create({
+                target:target,
+                trigger: "hover",
+                size: "small",
+                direction: "bottom",
+                content: content,
+                delay: { show: 550, hide: 10 }
+            });
+        }
     }
 
 })();
diff --git a/editor/js/ui/common/tabs.js b/editor/js/ui/common/tabs.js
index 7404ba337..700618495 100644
--- a/editor/js/ui/common/tabs.js
+++ b/editor/js/ui/common/tabs.js
@@ -349,14 +349,7 @@ RED.tabs = (function() {
                         pinnedLink.addClass("red-ui-tab-link-button-pinned");
                         pinnedTabsCount++;
                     }
-                    RED.popover.create({
-                        target:$(pinnedLink),
-                        trigger: "hover",
-                        size: "small",
-                        direction: "bottom",
-                        content: tab.name,
-                        delay: { show: 550, hide: 10 }
-                    });
+                    RED.popover.tooltip($(pinnedLink), tab.name);
 
                 }
                 link.on("click",onTabClick);