diff --git a/components/carousel/__tests__/__snapshots__/demo.test.js.snap b/components/carousel/__tests__/__snapshots__/demo.test.js.snap
index 68832455e..823bc6a42 100644
--- a/components/carousel/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/carousel/__tests__/__snapshots__/demo.test.js.snap
@@ -357,7 +357,15 @@ exports[`renders ./antdv-demo/docs/carousel/demo/fade.md correctly 1`] = `
 
 exports[`renders ./antdv-demo/docs/carousel/demo/position.md correctly 1`] = `
 <div>
-  <div class="ant-radio-group ant-radio-group-outline ant-radio-group-default" style="margin-bottom: 8px;"><label class="ant-radio-button-wrapper ant-radio-button-wrapper-checked"><span class="ant-radio-button ant-radio-button-checked"><input type="radio" class="ant-radio-button-input" value="top"><span class="ant-radio-button-inner"></span></span><span>Top</span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="bottom"><span class="ant-radio-button-inner"></span></span><span>Bottom</span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="left"><span class="ant-radio-button-inner"></span></span><span>Left</span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="right"><span class="ant-radio-button-inner"></span></span><span>Right</span></label></div>
+  <div class="ant-radio-group ant-radio-group-outline ant-radio-group-default" style="margin-bottom: 8px;"><label class="ant-radio-button-wrapper ant-radio-button-wrapper-checked"><span class="ant-radio-button ant-radio-button-checked"><input type="radio" class="ant-radio-button-input" value="top"><span class="ant-radio-button-inner"></span></span><span>
+      Top
+    </span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="bottom"><span class="ant-radio-button-inner"></span></span><span>
+      Bottom
+    </span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="left"><span class="ant-radio-button-inner"></span></span><span>
+      Left
+    </span></label><label class="ant-radio-button-wrapper"><span class="ant-radio-button"><input type="radio" class="ant-radio-button-input" value="right"><span class="ant-radio-button-inner"></span></span><span>
+      Right
+    </span></label></div>
   <div class="ant-carousel">
     <div class="slick-slider slick-initialized">
       <div class="slick-list">
diff --git a/components/list/__tests__/demo.test.js b/components/list/__tests__/demo.test.js
index 188bfe8c1..23839cad2 100644
--- a/components/list/__tests__/demo.test.js
+++ b/components/list/__tests__/demo.test.js
@@ -1,3 +1,3 @@
 import demoTest from '../../../tests/shared/demoTest';
 
-demoTest('list');
+demoTest('list', { skip: ['infinite-virtualized-load'] });
diff --git a/components/vc-input-number/src/index.js b/components/vc-input-number/src/index.js
index 40a5748cf..79091a240 100755
--- a/components/vc-input-number/src/index.js
+++ b/components/vc-input-number/src/index.js
@@ -767,7 +767,6 @@ export default {
             onBlur={this.onBlur}
             onKeydown={editable ? this.onKeyDown : noop}
             onKeyup={editable ? this.onKeyUp : noop}
-            maxLength={this.maxLength}
             readOnly={this.readOnly}
             disabled={this.disabled}
             max={this.max}
diff --git a/tests/shared/demoTest.js b/tests/shared/demoTest.js
index e46b7f19f..c3ddbdb6e 100644
--- a/tests/shared/demoTest.js
+++ b/tests/shared/demoTest.js
@@ -18,7 +18,8 @@ export default function demoTest(component, options = {}) {
     testMethod(`renders ${file} correctly`, done => {
       MockDate.set(moment('2016-11-22'));
       const demo = require(`../.${file}`).default || require(`../.${file}`);
-      const wrapper = mount(demo, { sync: false });
+      document.body.innerHTML = '';
+      const wrapper = mount(demo, { sync: false, attachToDocument: true });
       Vue.nextTick(() => {
         // should get dom from element
         // snap files copy from antd does not need to change
@@ -27,6 +28,7 @@ export default function demoTest(component, options = {}) {
         expect(dom).toMatchSnapshot();
         MockDate.reset();
         wrapper.destroy();
+        document.body.innerHTML = '';
         done();
       });
     });