diff --git a/src/Popup.js b/src/Popup.js
index 8171b468..b8a76982 100644
--- a/src/Popup.js
+++ b/src/Popup.js
@@ -13,7 +13,7 @@ class Popup extends Component {
     style: PropTypes.object,
     getClassNameFromAlign: PropTypes.func,
     onAlign: PropTypes.func,
-    getRootDomNode: PropTypes.func,
+    getTarget: PropTypes.func,
     onMouseEnter: PropTypes.func,
     align: PropTypes.any,
     destroyPopupOnHide: PropTypes.bool,
@@ -61,7 +61,7 @@ class Popup extends Component {
 
   // Record size if stretch needed
   setStretchSize = () => {
-    const { stretch, getRootDomNode, visible } = this.props;
+    const { stretch, getTarget, visible } = this.props;
     const { stretchChecked, targetHeight, targetWidth } = this.state;
 
     if (!stretch || !visible) {
@@ -71,7 +71,7 @@ class Popup extends Component {
       return;
     }
 
-    const $ele = getRootDomNode();
+    const $ele = getTarget();
     if (!$ele) return;
 
     const height = $ele.offsetHeight;
@@ -90,10 +90,6 @@ class Popup extends Component {
     return ReactDOM.findDOMNode(this.popupInstance);
   }
 
-  getTarget = () => {
-    return this.props.getRootDomNode();
-  }
-
   getMaskTransitionName() {
     const props = this.props;
     let transitionName = props.maskTransitionName;
@@ -124,7 +120,7 @@ class Popup extends Component {
       align, visible,
       prefixCls, style, getClassNameFromAlign,
       destroyPopupOnHide, stretch, children,
-      onMouseEnter, onMouseLeave,
+      onMouseEnter, onMouseLeave, getTarget,
     } = this.props;
     const className = this.getClassName(this.currentAlignClassName ||
       getClassNameFromAlign(align));
@@ -178,7 +174,7 @@ class Popup extends Component {
         >
           {visible ? (
             <Align
-              target={this.getTarget}
+              target={getTarget}
               key="popup"
               ref={this.saveAlignRef}
               monitorWindowResize
@@ -205,7 +201,7 @@ class Popup extends Component {
         showProp="xVisible"
       >
         <Align
-          target={this.getTarget}
+          target={getTarget}
           key="popup"
           ref={this.saveAlignRef}
           monitorWindowResize
diff --git a/src/index.js b/src/index.js
index fcde64f2..589680fd 100644
--- a/src/index.js
+++ b/src/index.js
@@ -54,6 +54,7 @@ export default class Trigger extends React.Component {
     blurDelay: PropTypes.number,
     getPopupContainer: PropTypes.func,
     getDocument: PropTypes.func,
+    getTarget: PropTypes.func,
     forceRender: PropTypes.bool,
     destroyPopupOnHide: PropTypes.bool,
     mask: PropTypes.bool,
@@ -327,7 +328,7 @@ export default class Trigger extends React.Component {
     const {
       prefixCls, destroyPopupOnHide, popupClassName, action,
       onPopupAlign, popupAnimation, popupTransitionName, popupStyle,
-      mask, maskAnimation, maskTransitionName, zIndex, popup, stretch,
+      mask, maskAnimation, maskTransitionName, zIndex, popup, stretch, getTarget,
     } = this.props;
     const { state } = this;
 
@@ -354,7 +355,7 @@ export default class Trigger extends React.Component {
         getClassNameFromAlign={this.getPopupClassNameFromAlign}
         {...mouseProps}
         stretch={stretch}
-        getRootDomNode={this.getRootDomNode}
+        getTarget={getTarget || this.getRootDomNode}
         style={popupStyle}
         mask={mask}
         zIndex={zIndex}