diff --git a/src/base/layer/layer.popover.js b/src/base/layer/layer.popover.js
index 387d1ff4e..379ee1463 100644
--- a/src/base/layer/layer.popover.js
+++ b/src/base/layer/layer.popover.js
@@ -140,7 +140,7 @@ BI.Popover = BI.inherit(BI.Widget, {
         return BI.extend({
             type: o.logic.dynamic ? "bi.vertical" : "bi.vtape",
             items: items,
-            width: size.width,
+            width: this._getSuitableBodyWidth(size.width),
         }, o.logic.dynamic ? {
             type: "bi.vertical",
             scrolly: false,
@@ -166,6 +166,10 @@ BI.Popover = BI.inherit(BI.Widget, {
         return BI.clamp(height, 0, BI.Widget._renderEngine.createElement("body")[0].clientHeight - o.headerHeight - (o.footer ? o.footerHeight : 0) - c.BODY_TGAP);
     },
 
+    _getSuitableBodyWidth: function (width) {
+        return BI.clamp(width, 0, BI.Widget._renderEngine.createElement("body").width());
+    },
+
     _calculateSize: function () {
         var o = this.options;
         var size = {};