diff --git a/src/base/layer/layer.popover.js b/src/base/layer/layer.popover.js
index 2a4453472..4244a1efb 100644
--- a/src/base/layer/layer.popover.js
+++ b/src/base/layer/layer.popover.js
@@ -158,15 +158,17 @@ BI.Popover = BI.inherit(BI.Widget, {
     mounted: function () {
         var self = this;
         this.dragger.element.mousedown(function (e) {
-            self.startX = self.element[0].offsetLeft;
-            self.startY = self.element[0].offsetTop;
-            self.tracker.captureMouseMoves(e);
+            if (self.options.draggable !== false) {
+                self.startX = self.element[0].offsetLeft;
+                self.startY = self.element[0].offsetTop;
+                self.tracker.captureMouseMoves(e);
+            }
         });
     },
 
     _getSuitableBodyHeight: function (height) {
         var o = this.options;
-    
+
         return BI.clamp(height, 0, BI.Widget._renderEngine.createElement("body")[0].clientHeight - o.headerHeight - (o.footer ? o.footerHeight : 0) - o.bodyTgap);
     },
 
@@ -207,6 +209,10 @@ BI.Popover = BI.inherit(BI.Widget, {
         };
     },
 
+    setDraggable: function (b) {
+        this.options.draggable = b;
+    },
+
     hide: function () {
 
     },
@@ -224,9 +230,6 @@ BI.Popover = BI.inherit(BI.Widget, {
     setZindex: function (zindex) {
         this.element.css({ "z-index": zindex });
     },
-
-    destroyed: function () {
-    },
 });
 
 BI.shortcut("bi.popover", BI.Popover);