diff --git a/examples/routers/poptip.vue b/examples/routers/poptip.vue
index 5f7d2415..3ce19f2c 100644
--- a/examples/routers/poptip.vue
+++ b/examples/routers/poptip.vue
@@ -2,10 +2,19 @@
     <div style="margin: 200px">
         <Tabs value="name1">
             <TabPane label="标签一" name="name1">
-                <div style="overflow: auto;width: 200px;height:300px">
-                    <Poptip title="提示标题" content="标签一的内容" placement="right" transfer :options="options">
+                <div style="width: 200px;height:300px">
+                    <Poptip title="提示标题" content="标签一的内容" placement="left" transfer >
+                        <Button id="aaa">左边</Button>
+                    </Poptip>
+                    <Poptip title="提示标题" content="标签一的内容" placement="right" transfer>
                         <Button id="aaa">右边</Button>
                     </Poptip>
+                    <Poptip title="提示标题" content="标签一的内容" placement="top" transfer>
+                        <Button id="aaa">上边</Button>
+                    </Poptip>
+                    <Poptip title="提示标题" content="标签一的内容" placement="bottom" transfer>
+                        <Button id="aaa">下边</Button>
+                    </Poptip>
                 </div>
             </TabPane>
             <TabPane label="标签二" name="name2">标签二的内容</TabPane>
@@ -17,11 +26,7 @@
         data () {
             return {
                 options: {
-                    modifiers: {
-                        preventOverflow: {
-                            boundariesElement: 'body',
-                        }
-                    }
+
                 }
             }
         }
diff --git a/src/components/base/popper.js b/src/components/base/popper.js
index ecf15ea9..5b5d4e4b 100644
--- a/src/components/base/popper.js
+++ b/src/components/base/popper.js
@@ -32,6 +32,9 @@ export default {
                     modifiers: {
                         computeStyle:{
                             gpuAcceleration: false,
+                        },
+                        preventOverflow :{
+                            boundariesElement: 'body'
                         }
                     }
                 };
@@ -83,11 +86,8 @@ export default {
             }
 
             options.placement = this.placement;
-            
-            if (options.modifiers) {
-                options.modifiers = {};
-            }
-            if (options.modifiers.offset) {
+
+            if (!options.modifiers.offset) {
                 options.modifiers.offset = {};
             }
             options.modifiers.offset = this.offset;