diff --git a/apps/common/main/lib/component/MenuItem.js b/apps/common/main/lib/component/MenuItem.js
index 6b81c41f4..7b49b77e2 100644
--- a/apps/common/main/lib/component/MenuItem.js
+++ b/apps/common/main/lib/component/MenuItem.js
@@ -194,7 +194,22 @@ define([
                         el.attr('data-toggle', 'tooltip');
                         el.tooltip({
                             title       : me.options.hint,
-                            placement   : me.options.hintAnchor||'cursor'
+                            placement   : me.options.hintAnchor||function(tip, element) {
+                                var pos = this.getPosition(),
+                                    actualWidth = tip.offsetWidth,
+                                    actualHeight = tip.offsetHeight,
+                                    innerWidth = Common.Utils.innerWidth(),
+                                    innerHeight = Common.Utils.innerHeight();
+                                var top = pos.top,
+                                    left = pos.left + pos.width + 2;
+                                if (top + actualHeight > innerHeight) {
+                                    top = innerHeight - actualHeight - 2;
+                                }
+                                if (left + actualWidth > innerWidth) {
+                                    left = pos.left - actualWidth - 2;
+                                }
+                                $(tip).offset({top: top,left: left}).addClass('in');
+                            }
                         });
                     }
 
diff --git a/apps/common/main/lib/util/Tip.js b/apps/common/main/lib/util/Tip.js
index 1ef303d66..b0521586d 100644
--- a/apps/common/main/lib/util/Tip.js
+++ b/apps/common/main/lib/util/Tip.js
@@ -127,15 +127,12 @@
             if (this.hasContent() && this.enabled && !this.dontShow) {
                 if (!this.$element.is(":visible") && this.$element.closest('[role=menu]').length>0) return;
                 var $tip = this.tip();
-                var placement = typeof this.options.placement === 'function' ?
-                                    this.options.placement.call(this, $tip[0], this.$element[0]) : this.options.placement;
 
                 if (this.options.arrow === false) $tip.addClass('arrow-free');
                 if (this.options.cls) $tip.addClass(this.options.cls);
-                
-                var placementEx = /^([a-zA-Z]+)-?([a-zA-Z]*)$/.exec(placement);
 
-                if (!at && !placementEx[2].length) {
+                var placementEx = (typeof this.options.placement !== 'function') ? /^([a-zA-Z]+)-?([a-zA-Z]*)$/.exec(this.options.placement) : null;
+                if (!at && placementEx && !placementEx[2].length) {
                     _superclass.prototype.show.apply(this, arguments);
                 } else {
                     var e = $.Event('show.bs.tooltip');
@@ -152,7 +149,9 @@
                     this.options.container ?
                         $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element);
 
-                    if (typeof at == 'object') { 
+                    if (typeof this.options.placement === 'function') {
+                        this.options.placement.call(this, $tip[0], this.$element[0]);
+                    } else if (typeof at == 'object') {
                         var tp = {top: at[1] + 15, left: at[0] + 18},
                             innerWidth = Common.Utils.innerWidth(),
                             innerHeight = Common.Utils.innerHeight();