diff --git a/components/alert/__tests__/__snapshots__/demo.test.js.snap b/components/alert/__tests__/__snapshots__/demo.test.js.snap
index 594c03b70..b42763a71 100644
--- a/components/alert/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/alert/__tests__/__snapshots__/demo.test.js.snap
@@ -49,7 +49,7 @@ exports[`renders ./components/alert/demo/custom-icon.md correctly 1`] = `
 exports[`renders ./components/alert/demo/description.md correctly 1`] = `
 <div>
   <div data-show="true" class="ant-alert ant-alert-success ant-alert-with-description ant-alert-no-icon"><span class="ant-alert-message">Success Text</span><span class="ant-alert-description"><p>
-        Success Description <span style="color: red;">Success</span> Description Success Description
+      Success Description <span style="color: red;">Success</span> Description Success Description
     </p></span></div>
   <div data-show="true" class="ant-alert ant-alert-info ant-alert-with-description ant-alert-no-icon"><span class="ant-alert-message">Info Text</span><span class="ant-alert-description">Info Description Info Description Info Description Info Description</span></div>
   <div data-show="true" class="ant-alert ant-alert-warning ant-alert-with-description ant-alert-no-icon"><span class="ant-alert-message">Warning Text</span><span class="ant-alert-description">Warning Description Warning Description Warning Description Warning Description</span></div>
diff --git a/components/card/__tests__/__snapshots__/demo.test.js.snap b/components/card/__tests__/__snapshots__/demo.test.js.snap
index 403892dfd..3f3031211 100644
--- a/components/card/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/card/__tests__/__snapshots__/demo.test.js.snap
@@ -269,7 +269,7 @@ exports[`renders ./components/card/demo/tabs.md correctly 1`] = `
                 <div class="ant-tabs-nav ant-tabs-nav-animated">
                   <div>
                     <div role="tab" aria-disabled="false" aria-selected="true" class="ant-tabs-tab-active ant-tabs-tab"><span><i class="anticon anticon-home"><svg viewBox="64 64 896 896" data-icon="home" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M946.5 505L560.1 118.8l-25.9-25.9a31.5 31.5 0 0 0-44.4 0L77.5 505a63.9 63.9 0 0 0-18.8 46c.4 35.2 29.7 63.3 64.9 63.3h42.5V940h691.8V614.3h43.4c17.1 0 33.2-6.7 45.3-18.8a63.6 63.6 0 0 0 18.7-45.3c0-17-6.7-33.1-18.8-45.2zM568 868H456V664h112v204zm217.9-325.7V868H632V640c0-22.1-17.9-40-40-40H432c-22.1 0-40 17.9-40 40v228H238.1V542.3h-96l370-369.7 23.1 23.1L882 542.3h-96.1z"></path></svg></i>tab1
-      </span></div>
+    </span></div>
                     <div role="tab" aria-disabled="false" aria-selected="false" class=" ant-tabs-tab">tab2</div>
                   </div>
                   <div class="ant-tabs-ink-bar ant-tabs-ink-bar-animated" style="display: block; transform: translate3d(0px,0,0); -webkit-transform: translate3d(0px,0,0); width: 0px;"></div>
diff --git a/components/cascader/__tests__/__snapshots__/demo.test.js.snap b/components/cascader/__tests__/__snapshots__/demo.test.js.snap
index 2aa529171..6f6d5e017 100644
--- a/components/cascader/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/cascader/__tests__/__snapshots__/demo.test.js.snap
@@ -14,12 +14,12 @@ exports[`renders ./components/cascader/demo/change-on-select.md correctly 1`] =
 
 exports[`renders ./components/cascader/demo/custom-render.md correctly 1`] = `
 <span tabindex="0" class="ant-cascader-picker" style="width: 100%;"><input value="" type="text" readonly="true" class="ant-input ant-cascader-input  ant-cascader-input "><span class="ant-cascader-picker-label"><span><span>
-          Zhejiang / 
-        </span></span><span><span>
-          Hangzhou / 
-        </span></span><span><span>
-        West Lake (<a>752100</a>)
-        </span></span></span><i class="ant-cascader-picker-clear anticon anticon-close-circle"><svg viewBox="64 64 896 896" data-icon="close-circle" width="1em" height="1em" fill="currentColor" aria-hidden="true" class="">
+        Zhejiang / 
+      </span></span><span><span>
+        Hangzhou / 
+      </span></span><span><span>
+      West Lake (<a>752100</a>)
+      </span></span></span><i class="ant-cascader-picker-clear anticon anticon-close-circle"><svg viewBox="64 64 896 896" data-icon="close-circle" width="1em" height="1em" fill="currentColor" aria-hidden="true" class="">
     <path d="M512 64C264.6 64 64 264.6 64 512s200.6 448 448 448 448-200.6 448-448S759.4 64 512 64zm165.4 618.2l-66-.3L512 563.4l-99.3 118.4-66.1.3c-4.4 0-8-3.5-8-8 0-1.9.7-3.7 1.9-5.2l130.1-155L340.5 359a8.32 8.32 0 0 1-1.9-5.2c0-4.4 3.6-8 8-8l66.1.3L512 464.6l99.3-118.4 66-.3c4.4 0 8 3.5 8 8 0 1.9-.7 3.7-1.9 5.2L553.5 514l130 155c1.2 1.5 1.9 3.3 1.9 5.2 0 4.4-3.6 8-8 8z"></path>
   </svg></i><i class="ant-cascader-picker-arrow anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class="">
     <path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path>
@@ -28,9 +28,9 @@ exports[`renders ./components/cascader/demo/custom-render.md correctly 1`] = `
 
 exports[`renders ./components/cascader/demo/custom-trigger.md correctly 1`] = `
 <span>
-    Unselect
-    &nbsp;
-    <a href="#" tabindex="0" class="">Change city</a></span>
+  Unselect
+  &nbsp;
+  <a href="#" tabindex="0" class="">Change city</a></span>
 `;
 
 exports[`renders ./components/cascader/demo/default-value.md correctly 1`] = `
diff --git a/components/checkbox/__tests__/__snapshots__/demo.test.js.snap b/components/checkbox/__tests__/__snapshots__/demo.test.js.snap
index 442c66d8b..1a8b85542 100644
--- a/components/checkbox/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/checkbox/__tests__/__snapshots__/demo.test.js.snap
@@ -5,8 +5,8 @@ exports[`renders ./components/checkbox/demo/basic.md correctly 1`] = `<label cla
 exports[`renders ./components/checkbox/demo/check-all.md correctly 1`] = `
 <div>
   <div style="border-bottom: 1px solid #E9E9E9;"><label class="ant-checkbox-wrapper"><span class="ant-checkbox ant-checkbox-indeterminate"><input type="checkbox" class="ant-checkbox-input" value=""><span class="ant-checkbox-inner"></span></span><span>
-        Check all
-      </span></label></div> <br>
+      Check all
+    </span></label></div> <br>
   <div class="ant-checkbox-group"><label class="ant-checkbox-wrapper ant-checkbox-wrapper-checked ant-checkbox-group-item"><span class="ant-checkbox ant-checkbox-checked"><input type="checkbox" class="ant-checkbox-input" value="Apple"><span class="ant-checkbox-inner"></span></span><span>Apple</span></label><label class="ant-checkbox-wrapper ant-checkbox-group-item"><span class="ant-checkbox"><input type="checkbox" class="ant-checkbox-input" value="Pear"><span class="ant-checkbox-inner"></span></span><span>Pear</span></label><label class="ant-checkbox-wrapper ant-checkbox-wrapper-checked ant-checkbox-group-item"><span class="ant-checkbox ant-checkbox-checked"><input type="checkbox" class="ant-checkbox-input" value="Orange"><span class="ant-checkbox-inner"></span></span><span>Orange</span></label></div>
 </div>
 `;
@@ -14,8 +14,8 @@ exports[`renders ./components/checkbox/demo/check-all.md correctly 1`] = `
 exports[`renders ./components/checkbox/demo/controller.md correctly 1`] = `
 <div>
   <p style="margin-bottom: 20px;"><label class="ant-checkbox-wrapper ant-checkbox-wrapper-checked"><span class="ant-checkbox ant-checkbox-checked"><input type="checkbox" class="ant-checkbox-input" value=""><span class="ant-checkbox-inner"></span></span><span>
-        Checked-Enabled
-      </span></label></p>
+      Checked-Enabled
+    </span></label></p>
   <p><button type="button" class="ant-btn ant-btn-primary ant-btn-sm"><span>Uncheck</span></button> <button type="button" class="ant-btn ant-btn-primary ant-btn-sm" style="margin-left: 10px;"><span>Disable</span></button></p>
 </div>
 `;
diff --git a/components/form/__tests__/__snapshots__/demo.test.js.snap b/components/form/__tests__/__snapshots__/demo.test.js.snap
index 7ff5869e4..dd62b1ad7 100644
--- a/components/form/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/form/__tests__/__snapshots__/demo.test.js.snap
@@ -206,8 +206,8 @@ exports[`renders ./components/form/demo/dynamic-rule.vue correctly 1`] = `
   <div class="ant-row ant-form-item">
     <div class="ant-col-8 ant-col-offset-4 ant-form-item-control-wrapper">
       <div class="ant-form-item-control"><span class="ant-form-item-children"><label class="ant-checkbox-wrapper"><span class="ant-checkbox"><input type="checkbox" class="ant-checkbox-input" value=""><span class="ant-checkbox-inner"></span></span><span>
-        Nickname is required
-      </span></label></span>
+      Nickname is required
+    </span></label></span>
         <!---->
       </div>
     </div>
@@ -230,12 +230,12 @@ exports[`renders ./components/form/demo/form-in-modal.vue correctly 1`] = `
 
 exports[`renders ./components/form/demo/global-state.vue correctly 1`] = `
 <div id="components-form-demo-global-state">
-  <!--function (a, b, c, d) { return createElement(vm, a, b, c, d, true); }--> <pre class="language-bash">      {
+  <!--function (a, b, c, d) { return createElement(vm, a, b, c, d, true); }--> <pre class="language-bash">    {
   "username": {
     "value": "benjycui"
   }
 }
-    </pre>
+  </pre>
 </div>
 `;
 
@@ -322,8 +322,8 @@ exports[`renders ./components/form/demo/normal-login.vue correctly 1`] = `
   <div class="ant-row ant-form-item">
     <div class="ant-form-item-control-wrapper">
       <div class="ant-form-item-control has-success"><span class="ant-form-item-children"><label class="ant-checkbox-wrapper ant-checkbox-wrapper-checked"><span class="ant-checkbox ant-checkbox-checked"><input id="remember" type="checkbox" class="ant-checkbox-input" value=""><span class="ant-checkbox-inner"></span></span><span>
-        Remember me
-      </span></label><a href="" class="login-form-forgot">Forgot password</a><button type="submit" class="login-form-button ant-btn ant-btn-primary"><span>Log in</span></button>
+      Remember me
+    </span></label><a href="" class="login-form-forgot">Forgot password</a><button type="submit" class="login-form-button ant-btn ant-btn-primary"><span>Log in</span></button>
         Or <a href="">register now!</a></span>
         <!---->
       </div>
@@ -702,8 +702,8 @@ exports[`renders ./components/form/demo/validate-static.vue correctly 1`] = `
   </div>
   </div>
   <div class="ant-col-2"><span style="display: inline-block; width: 100%; text-align: center;">
-          -
-        </span></div>
+        -
+      </span></div>
   <div class="ant-col-11">
     <div class="ant-row ant-form-item">
       <div class="ant-form-item-control-wrapper">
diff --git a/components/list/__tests__/__snapshots__/demo.test.js.snap b/components/list/__tests__/__snapshots__/demo.test.js.snap
index e34690fde..09aecf03b 100644
--- a/components/list/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/list/__tests__/__snapshots__/demo.test.js.snap
@@ -356,14 +356,14 @@ exports[`renders ./components/list/demo/vertical.md correctly 1`] = `
             </div>
             <ul class="ant-list-item-action">
               <li><span><i class="anticon anticon-star-o"><svg viewBox="64 64 896 896" data-icon="star" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M908.1 353.1l-253.9-36.9L540.7 86.1c-3.1-6.3-8.2-11.4-14.5-14.5-15.8-7.8-35-1.3-42.9 14.5L369.8 316.2l-253.9 36.9c-7 1-13.4 4.3-18.3 9.3a32.05 32.05 0 0 0 .6 45.3l183.7 179.1-43.4 252.9a31.95 31.95 0 0 0 46.4 33.7L512 754l227.1 119.4c6.2 3.3 13.4 4.4 20.3 3.2 17.4-3 29.1-19.5 26.1-36.9l-43.4-252.9 183.7-179.1c5-4.9 8.3-11.3 9.3-18.3 2.7-17.5-9.5-33.7-27-36.3zM664.8 561.6l36.1 210.3L512 672.7 323.1 772l36.1-210.3-152.8-149L417.6 382 512 190.7 606.4 382l211.2 30.7-152.8 148.9z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-like-o"><svg viewBox="64 64 896 896" data-icon="like" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M885.9 533.7c16.8-22.2 26.1-49.4 26.1-77.7 0-44.9-25.1-87.4-65.5-111.1a67.67 67.67 0 0 0-34.3-9.3H572.4l6-122.9c1.4-29.7-9.1-57.9-29.5-79.4A106.62 106.62 0 0 0 471 99.9c-52 0-98 35-111.8 85.1l-85.9 311H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h601.3c9.2 0 18.2-1.8 26.5-5.4 47.6-20.3 78.3-66.8 78.3-118.4 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7-.2-12.6-2-25.1-5.6-37.1zM184 852V568h81v284h-81zm636.4-353l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 22.4-13.2 42.6-33.6 51.8H329V564.8l99.5-360.5a44.1 44.1 0 0 1 42.2-32.3c7.6 0 15.1 2.2 21.1 6.7 9.9 7.4 15.2 18.6 14.6 30.5l-9.6 198.4h314.4C829 418.5 840 436.9 840 456c0 16.5-7.2 32.1-19.6 43z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-message"><svg viewBox="64 64 896 896" data-icon="message" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M464 512a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm200 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm-400 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm661.2-173.6c-22.6-53.7-55-101.9-96.3-143.3a444.35 444.35 0 0 0-143.3-96.3C630.6 75.7 572.2 64 512 64h-2c-60.6.3-119.3 12.3-174.5 35.9a445.35 445.35 0 0 0-142 96.5c-40.9 41.3-73 89.3-95.2 142.8-23 55.4-34.6 114.3-34.3 174.9A449.4 449.4 0 0 0 112 714v152a46 46 0 0 0 46 46h152.1A449.4 449.4 0 0 0 510 960h2.1c59.9 0 118-11.6 172.7-34.3a444.48 444.48 0 0 0 142.8-95.2c41.3-40.9 73.8-88.7 96.5-142 23.6-55.2 35.6-113.9 35.9-174.5.3-60.9-11.5-120-34.8-175.6zm-151.1 438C704 845.8 611 884 512 884h-1.7c-60.3-.3-120.2-15.3-173.1-43.5l-8.4-4.5H188V695.2l-4.5-8.4C155.3 633.9 140.3 574 140 513.7c-.4-99.7 37.7-193.3 107.6-263.8 69.8-70.5 163.1-109.5 262.8-109.9h1.7c50 0 98.5 9.7 144.2 28.9 44.6 18.7 84.6 45.6 119 80 34.3 34.3 61.3 74.4 80 119 19.4 46.2 29.1 95.2 28.9 145.8-.6 99.6-39.7 192.9-110.1 262.7z"></path></svg></i>
-          2
-        </span></li>
+        2
+      </span></li>
             </ul>
           </div>
           <div class="ant-list-item-extra"><img width="272" alt="logo" src="https://gw.alipayobjects.com/zos/rmsportal/mqaQswcyDLcXyDKnZfES.png"></div>
@@ -384,14 +384,14 @@ exports[`renders ./components/list/demo/vertical.md correctly 1`] = `
             </div>
             <ul class="ant-list-item-action">
               <li><span><i class="anticon anticon-star-o"><svg viewBox="64 64 896 896" data-icon="star" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M908.1 353.1l-253.9-36.9L540.7 86.1c-3.1-6.3-8.2-11.4-14.5-14.5-15.8-7.8-35-1.3-42.9 14.5L369.8 316.2l-253.9 36.9c-7 1-13.4 4.3-18.3 9.3a32.05 32.05 0 0 0 .6 45.3l183.7 179.1-43.4 252.9a31.95 31.95 0 0 0 46.4 33.7L512 754l227.1 119.4c6.2 3.3 13.4 4.4 20.3 3.2 17.4-3 29.1-19.5 26.1-36.9l-43.4-252.9 183.7-179.1c5-4.9 8.3-11.3 9.3-18.3 2.7-17.5-9.5-33.7-27-36.3zM664.8 561.6l36.1 210.3L512 672.7 323.1 772l36.1-210.3-152.8-149L417.6 382 512 190.7 606.4 382l211.2 30.7-152.8 148.9z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-like-o"><svg viewBox="64 64 896 896" data-icon="like" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M885.9 533.7c16.8-22.2 26.1-49.4 26.1-77.7 0-44.9-25.1-87.4-65.5-111.1a67.67 67.67 0 0 0-34.3-9.3H572.4l6-122.9c1.4-29.7-9.1-57.9-29.5-79.4A106.62 106.62 0 0 0 471 99.9c-52 0-98 35-111.8 85.1l-85.9 311H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h601.3c9.2 0 18.2-1.8 26.5-5.4 47.6-20.3 78.3-66.8 78.3-118.4 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7-.2-12.6-2-25.1-5.6-37.1zM184 852V568h81v284h-81zm636.4-353l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 22.4-13.2 42.6-33.6 51.8H329V564.8l99.5-360.5a44.1 44.1 0 0 1 42.2-32.3c7.6 0 15.1 2.2 21.1 6.7 9.9 7.4 15.2 18.6 14.6 30.5l-9.6 198.4h314.4C829 418.5 840 436.9 840 456c0 16.5-7.2 32.1-19.6 43z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-message"><svg viewBox="64 64 896 896" data-icon="message" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M464 512a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm200 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm-400 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm661.2-173.6c-22.6-53.7-55-101.9-96.3-143.3a444.35 444.35 0 0 0-143.3-96.3C630.6 75.7 572.2 64 512 64h-2c-60.6.3-119.3 12.3-174.5 35.9a445.35 445.35 0 0 0-142 96.5c-40.9 41.3-73 89.3-95.2 142.8-23 55.4-34.6 114.3-34.3 174.9A449.4 449.4 0 0 0 112 714v152a46 46 0 0 0 46 46h152.1A449.4 449.4 0 0 0 510 960h2.1c59.9 0 118-11.6 172.7-34.3a444.48 444.48 0 0 0 142.8-95.2c41.3-40.9 73.8-88.7 96.5-142 23.6-55.2 35.6-113.9 35.9-174.5.3-60.9-11.5-120-34.8-175.6zm-151.1 438C704 845.8 611 884 512 884h-1.7c-60.3-.3-120.2-15.3-173.1-43.5l-8.4-4.5H188V695.2l-4.5-8.4C155.3 633.9 140.3 574 140 513.7c-.4-99.7 37.7-193.3 107.6-263.8 69.8-70.5 163.1-109.5 262.8-109.9h1.7c50 0 98.5 9.7 144.2 28.9 44.6 18.7 84.6 45.6 119 80 34.3 34.3 61.3 74.4 80 119 19.4 46.2 29.1 95.2 28.9 145.8-.6 99.6-39.7 192.9-110.1 262.7z"></path></svg></i>
-          2
-        </span></li>
+        2
+      </span></li>
             </ul>
           </div>
           <div class="ant-list-item-extra"><img width="272" alt="logo" src="https://gw.alipayobjects.com/zos/rmsportal/mqaQswcyDLcXyDKnZfES.png"></div>
@@ -412,14 +412,14 @@ exports[`renders ./components/list/demo/vertical.md correctly 1`] = `
             </div>
             <ul class="ant-list-item-action">
               <li><span><i class="anticon anticon-star-o"><svg viewBox="64 64 896 896" data-icon="star" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M908.1 353.1l-253.9-36.9L540.7 86.1c-3.1-6.3-8.2-11.4-14.5-14.5-15.8-7.8-35-1.3-42.9 14.5L369.8 316.2l-253.9 36.9c-7 1-13.4 4.3-18.3 9.3a32.05 32.05 0 0 0 .6 45.3l183.7 179.1-43.4 252.9a31.95 31.95 0 0 0 46.4 33.7L512 754l227.1 119.4c6.2 3.3 13.4 4.4 20.3 3.2 17.4-3 29.1-19.5 26.1-36.9l-43.4-252.9 183.7-179.1c5-4.9 8.3-11.3 9.3-18.3 2.7-17.5-9.5-33.7-27-36.3zM664.8 561.6l36.1 210.3L512 672.7 323.1 772l36.1-210.3-152.8-149L417.6 382 512 190.7 606.4 382l211.2 30.7-152.8 148.9z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-like-o"><svg viewBox="64 64 896 896" data-icon="like" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M885.9 533.7c16.8-22.2 26.1-49.4 26.1-77.7 0-44.9-25.1-87.4-65.5-111.1a67.67 67.67 0 0 0-34.3-9.3H572.4l6-122.9c1.4-29.7-9.1-57.9-29.5-79.4A106.62 106.62 0 0 0 471 99.9c-52 0-98 35-111.8 85.1l-85.9 311H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h601.3c9.2 0 18.2-1.8 26.5-5.4 47.6-20.3 78.3-66.8 78.3-118.4 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7-.2-12.6-2-25.1-5.6-37.1zM184 852V568h81v284h-81zm636.4-353l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 0 1 6.9 27.3c0 22.4-13.2 42.6-33.6 51.8H329V564.8l99.5-360.5a44.1 44.1 0 0 1 42.2-32.3c7.6 0 15.1 2.2 21.1 6.7 9.9 7.4 15.2 18.6 14.6 30.5l-9.6 198.4h314.4C829 418.5 840 436.9 840 456c0 16.5-7.2 32.1-19.6 43z"></path></svg></i>
-          156
-        </span><em class="ant-list-item-action-split"></em></li>
+        156
+      </span><em class="ant-list-item-action-split"></em></li>
               <li><span><i class="anticon anticon-message"><svg viewBox="64 64 896 896" data-icon="message" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M464 512a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm200 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm-400 0a48 48 0 1 0 96 0 48 48 0 1 0-96 0zm661.2-173.6c-22.6-53.7-55-101.9-96.3-143.3a444.35 444.35 0 0 0-143.3-96.3C630.6 75.7 572.2 64 512 64h-2c-60.6.3-119.3 12.3-174.5 35.9a445.35 445.35 0 0 0-142 96.5c-40.9 41.3-73 89.3-95.2 142.8-23 55.4-34.6 114.3-34.3 174.9A449.4 449.4 0 0 0 112 714v152a46 46 0 0 0 46 46h152.1A449.4 449.4 0 0 0 510 960h2.1c59.9 0 118-11.6 172.7-34.3a444.48 444.48 0 0 0 142.8-95.2c41.3-40.9 73.8-88.7 96.5-142 23.6-55.2 35.6-113.9 35.9-174.5.3-60.9-11.5-120-34.8-175.6zm-151.1 438C704 845.8 611 884 512 884h-1.7c-60.3-.3-120.2-15.3-173.1-43.5l-8.4-4.5H188V695.2l-4.5-8.4C155.3 633.9 140.3 574 140 513.7c-.4-99.7 37.7-193.3 107.6-263.8 69.8-70.5 163.1-109.5 262.8-109.9h1.7c50 0 98.5 9.7 144.2 28.9 44.6 18.7 84.6 45.6 119 80 34.3 34.3 61.3 74.4 80 119 19.4 46.2 29.1 95.2 28.9 145.8-.6 99.6-39.7 192.9-110.1 262.7z"></path></svg></i>
-          2
-        </span></li>
+        2
+      </span></li>
             </ul>
           </div>
           <div class="ant-list-item-extra"><img width="272" alt="logo" src="https://gw.alipayobjects.com/zos/rmsportal/mqaQswcyDLcXyDKnZfES.png"></div>
diff --git a/components/radio/__tests__/__snapshots__/demo.test.js.snap b/components/radio/__tests__/__snapshots__/demo.test.js.snap
index 7bb0061bc..a7c6480a4 100644
--- a/components/radio/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/radio/__tests__/__snapshots__/demo.test.js.snap
@@ -37,8 +37,8 @@ exports[`renders ./components/radio/demo/radioGroup.md correctly 1`] = `<div cla
 
 exports[`renders ./components/radio/demo/radioGroup-more.md correctly 1`] = `
 <div class="ant-radio-group ant-radio-group-outline ant-radio-group-default"><label class="ant-radio-wrapper ant-radio-wrapper-checked" style="display: block; height: 30px; line-height: 30px;"><span class="ant-radio ant-radio-checked"><input type="radio" class="ant-radio-input" value="1"><span class="ant-radio-inner"></span></span><span>Option A</span></label><label class="ant-radio-wrapper" style="display: block; height: 30px; line-height: 30px;"><span class="ant-radio"><input type="radio" class="ant-radio-input" value="2"><span class="ant-radio-inner"></span></span><span>Option B</span></label><label class="ant-radio-wrapper" style="display: block; height: 30px; line-height: 30px;"><span class="ant-radio"><input type="radio" class="ant-radio-input" value="3"><span class="ant-radio-inner"></span></span><span>Option C</span></label><label class="ant-radio-wrapper" style="display: block; height: 30px; line-height: 30px;"><span class="ant-radio"><input type="radio" class="ant-radio-input" value="4"><span class="ant-radio-inner"></span></span><span>
-      More...
-      <!----></span></label></div>
+    More...
+    <!----></span></label></div>
 `;
 
 exports[`renders ./components/radio/demo/radioGroup-options.md correctly 1`] = `
diff --git a/components/select/__tests__/__snapshots__/demo.test.js.snap b/components/select/__tests__/__snapshots__/demo.test.js.snap
index 6f93565d4..03b6f0fd4 100644
--- a/components/select/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/select/__tests__/__snapshots__/demo.test.js.snap
@@ -151,8 +151,8 @@ exports[`renders ./components/select/demo/size.md correctly 1`] = `
     <div role="combobox" aria-autocomplete="list" aria-haspopup="true" tabindex="0" class="ant-select-selection ant-select-selection--single">
       <div class="ant-select-selection__rendered">
         <div title="
-        a1
-      " class="ant-select-selection-selected-value" style="display: block; opacity: 1;">
+      a1
+    " class="ant-select-selection-selected-value" style="display: block; opacity: 1;">
           a1
         </div>
       </div><span unselectable="unselectable" class="ant-select-arrow"><i class="ant-select-arrow-icon anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></span>
@@ -164,15 +164,15 @@ exports[`renders ./components/select/demo/size.md correctly 1`] = `
         <div unselectable="on" class="ant-select-selection__placeholder" style="display: none;">Please select</div>
         <div>
           <li unselectable="unselectable" title="
-        a1
-      " class="ant-select-selection__choice">
+      a1
+    " class="ant-select-selection__choice">
             <div class="ant-select-selection__choice__content">
               a1
             </div><span class="ant-select-selection__choice__remove"><i class="ant-select-remove-icon anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 0 0 203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"></path></svg></i></span>
           </li>
           <li unselectable="unselectable" title="
-        b2
-      " class="ant-select-selection__choice">
+      b2
+    " class="ant-select-selection__choice">
             <div class="ant-select-selection__choice__content">
               b2
             </div><span class="ant-select-selection__choice__remove"><i class="ant-select-remove-icon anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 0 0 203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"></path></svg></i></span>
@@ -190,15 +190,15 @@ exports[`renders ./components/select/demo/size.md correctly 1`] = `
         <div unselectable="on" class="ant-select-selection__placeholder" style="display: none;">Please select</div>
         <div>
           <li unselectable="unselectable" title="
-        a1
-      " class="ant-select-selection__choice">
+      a1
+    " class="ant-select-selection__choice">
             <div class="ant-select-selection__choice__content">
               a1
             </div><span class="ant-select-selection__choice__remove"><i class="ant-select-remove-icon anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 0 0 203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"></path></svg></i></span>
           </li>
           <li unselectable="unselectable" title="
-        b2
-      " class="ant-select-selection__choice">
+      b2
+    " class="ant-select-selection__choice">
             <div class="ant-select-selection__choice__content">
               b2
             </div><span class="ant-select-selection__choice__remove"><i class="ant-select-remove-icon anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 0 0 203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"></path></svg></i></span>
diff --git a/components/table/__tests__/__snapshots__/demo.test.js.snap b/components/table/__tests__/__snapshots__/demo.test.js.snap
index b5197c36f..989fe9155 100644
--- a/components/table/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/table/__tests__/__snapshots__/demo.test.js.snap
@@ -88,7 +88,7 @@ exports[`renders ./components/table/demo/basic.md correctly 1`] = `
                   <td>New York No. 1 Lake Park</td>
                   <td><span><div data-show="true" class="ant-tag ant-tag-blue ant-tag-zoom-enter">nice</div><div data-show="true" class="ant-tag ant-tag-blue ant-tag-zoom-enter">developer</div></span></td>
                   <td><span><a href="javascript:;">Invite 一 John Brown</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;">Delete</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;" class="ant-dropdown-link">
-        More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
+      More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
                 </tr>
                 <tr class="ant-table-row ant-table-row-level-0" data-row-key="2">
                   <td><span class="ant-table-row-indent indent-level-0" style="padding-left: 0px;"></span>
@@ -97,7 +97,7 @@ exports[`renders ./components/table/demo/basic.md correctly 1`] = `
                   <td>London No. 1 Lake Park</td>
                   <td><span><div data-show="true" class="ant-tag ant-tag-blue ant-tag-zoom-enter">loser</div></span></td>
                   <td><span><a href="javascript:;">Invite 一 Jim Green</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;">Delete</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;" class="ant-dropdown-link">
-        More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
+      More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
                 </tr>
                 <tr class="ant-table-row ant-table-row-level-0" data-row-key="3">
                   <td><span class="ant-table-row-indent indent-level-0" style="padding-left: 0px;"></span>
@@ -106,7 +106,7 @@ exports[`renders ./components/table/demo/basic.md correctly 1`] = `
                   <td>Sidney No. 1 Lake Park</td>
                   <td><span><div data-show="true" class="ant-tag ant-tag-blue ant-tag-zoom-enter">cool</div><div data-show="true" class="ant-tag ant-tag-blue ant-tag-zoom-enter">teacher</div></span></td>
                   <td><span><a href="javascript:;">Invite 一 Joe Black</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;">Delete</a> <div class="ant-divider ant-divider-vertical"></div> <a href="javascript:;" class="ant-dropdown-link">
-        More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
+      More actions <i class="anticon anticon-down"><svg viewBox="64 64 896 896" data-icon="down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M884 256h-75c-5.1 0-9.9 2.5-12.9 6.6L512 654.2 227.9 262.6c-3-4.1-7.8-6.6-12.9-6.6h-75c-6.5 0-10.3 7.4-6.5 12.7l352.6 486.1c12.8 17.6 39 17.6 51.7 0l352.6-486.1c3.9-5.3.1-12.7-6.4-12.7z"></path></svg></i></a></span></td>
                 </tr>
               </tbody>
             </table>
diff --git a/components/tabs/__tests__/__snapshots__/demo.test.js.snap b/components/tabs/__tests__/__snapshots__/demo.test.js.snap
index 954aba709..f5923ec85 100644
--- a/components/tabs/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/tabs/__tests__/__snapshots__/demo.test.js.snap
@@ -252,11 +252,11 @@ exports[`renders ./components/tabs/demo/icon.md correctly 1`] = `
           <div class="ant-tabs-nav ant-tabs-nav-animated">
             <div>
               <div role="tab" aria-disabled="false" aria-selected="false" class=" ant-tabs-tab"><span slot="tab"><i class="anticon anticon-apple"><svg viewBox="64 64 896 896" data-icon="apple" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M747.4 535.7c-.4-68.2 30.5-119.6 92.9-157.5-34.9-50-87.7-77.5-157.3-82.8-65.9-5.2-138 38.4-164.4 38.4-27.9 0-91.7-36.6-141.9-36.6C273.1 298.8 163 379.8 163 544.6c0 48.7 8.9 99 26.7 150.8 23.8 68.2 109.6 235.3 199.1 232.6 46.8-1.1 79.9-33.2 140.8-33.2 59.1 0 89.7 33.2 141.9 33.2 90.3-1.3 167.9-153.2 190.5-221.6-121.1-57.1-114.6-167.2-114.6-170.7zm-10.6 267c-14.3 19.9-28.7 35.6-41.9 45.7-10.5 8-18.6 11.4-24 11.6-9-.1-17.7-2.3-34.7-8.8-1.2-.5-2.5-1-4.2-1.6l-4.4-1.7c-17.4-6.7-27.8-10.3-41.1-13.8-18.6-4.8-37.1-7.4-56.9-7.4-20.2 0-39.2 2.5-58.1 7.2-13.9 3.5-25.6 7.4-42.7 13.8-.7.3-8.1 3.1-10.2 3.9-3.5 1.3-6.2 2.3-8.7 3.2-10.4 3.6-17 5.1-22.9 5.2-.7 0-1.3-.1-1.8-.2-1.1-.2-2.5-.6-4.1-1.3-4.5-1.8-9.9-5.1-16-9.8-14-10.9-29.4-28-45.1-49.9-27.5-38.6-53.5-89.8-66-125.7-15.4-44.8-23-87.7-23-128.6 0-60.2 17.8-106 48.4-137.1 26.3-26.6 61.7-41.5 97.8-42.3 5.9.1 14.5 1.5 25.4 4.5 8.6 2.3 18 5.4 30.7 9.9 3.8 1.4 16.9 6.1 18.5 6.7 7.7 2.8 13.5 4.8 19.2 6.6 18.2 5.8 32.3 9 47.6 9 15.5 0 28.8-3.3 47.7-9.8 7.1-2.4 32.9-12 37.5-13.6 25.6-9.1 44.5-14 60.8-15.2 4.8-.4 9.1-.4 13.2-.1 22.7 1.8 42.1 6.3 58.6 13.8-37.6 43.4-57 96.5-56.9 158.4-.3 14.7.9 31.7 5.1 51.8 6.4 30.5 18.6 60.7 37.9 89 14.7 21.5 32.9 40.9 54.7 57.8-11.5 23.7-25.6 48.2-40.4 68.8zm-94.5-572c50.7-60.2 46.1-115 44.6-134.7-44.8 2.6-96.6 30.5-126.1 64.8-32.5 36.8-51.6 82.3-47.5 133.6 48.4 3.7 92.6-21.2 129-63.7z"></path></svg></i>
-        Tab 1
-      </span></div>
+      Tab 1
+    </span></div>
               <div role="tab" aria-disabled="false" aria-selected="true" class="ant-tabs-tab-active ant-tabs-tab"><span slot="tab"><i class="anticon anticon-android"><svg viewBox="64 64 896 896" data-icon="android" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M448.3 225.2c-18.6 0-32 13.4-32 31.9s13.5 31.9 32 31.9c18.6 0 32-13.4 32-31.9.1-18.4-13.4-31.9-32-31.9zm393.9 96.4c-13.8-13.8-32.7-21.5-53.2-21.5-3.9 0-7.4.4-10.7 1v-1h-3.6c-5.5-30.6-18.6-60.5-38.1-87.4-18.7-25.7-43-47.9-70.8-64.9l25.1-35.8v-3.3c0-.8.4-2.3.7-3.8.6-2.4 1.4-5.5 1.4-8.9 0-18.5-13.5-31.9-32-31.9-9.8 0-19.5 5.7-25.9 15.4l-29.3 42.1c-30-9.8-62.4-15-93.8-15-31.3 0-63.7 5.2-93.8 15L389 79.4c-6.6-9.6-16.1-15.4-26-15.4-18.6 0-32 13.4-32 31.9 0 6.2 2.5 12.8 6.7 17.4l22.6 32.3c-28.7 17-53.5 39.4-72.2 65.1-19.4 26.9-32 56.8-36.7 87.4h-5.5v1c-3.2-.6-6.7-1-10.7-1-20.3 0-39.2 7.5-53.1 21.3-13.8 13.8-21.5 32.6-21.5 53v235c0 20.3 7.5 39.1 21.4 52.9 13.8 13.8 32.8 21.5 53.2 21.5 3.9 0 7.4-.4 10.7-1v93.5c0 29.2 23.9 53.1 53.2 53.1H331v58.3c0 20.3 7.5 39.1 21.4 52.9 13.8 13.8 32.8 21.5 53.2 21.5 20.3 0 39.2-7.5 53.1-21.3 13.8-13.8 21.5-32.6 21.5-53v-58.2H544v58.1c0 20.3 7.5 39.1 21.4 52.9 13.8 13.8 32.8 21.5 53.2 21.5 20.4 0 39.2-7.5 53.1-21.6 13.8-13.8 21.5-32.6 21.5-53v-58.2h31.9c29.3 0 53.2-23.8 53.2-53.1v-91.4c3.2.6 6.7 1 10.7 1 20.3 0 39.2-7.5 53.1-21.3 13.8-13.8 21.5-32.6 21.5-53v-235c-.1-20.3-7.6-39-21.4-52.9zM246 609.6c0 6.8-3.9 10.6-10.7 10.6-6.8 0-10.7-3.8-10.7-10.6V374.5c0-6.8 3.9-10.6 10.7-10.6 6.8 0 10.7 3.8 10.7 10.6v235.1zm131.1-396.8c37.5-27.3 85.3-42.3 135-42.3s97.5 15.1 135 42.5c32.4 23.7 54.2 54.2 62.7 87.5H314.4c8.5-33.4 30.5-64 62.7-87.7zm39.3 674.7c-.6 5.6-4.4 8.7-10.5 8.7-6.8 0-10.7-3.8-10.7-10.6v-58.2h21.2v60.1zm202.3 8.7c-6.8 0-10.7-3.8-10.7-10.6v-58.2h21.2v60.1c-.6 5.6-4.3 8.7-10.5 8.7zm95.8-132.6H309.9V364h404.6v399.6zm85.2-154c0 6.8-3.9 10.6-10.7 10.6-6.8 0-10.7-3.8-10.7-10.6V374.5c0-6.8 3.9-10.6 10.7-10.6 6.8 0 10.7 3.8 10.7 10.6v235.1zM576.1 225.2c-18.6 0-32 13.4-32 31.9s13.5 31.9 32 31.9c18.6 0 32.1-13.4 32.1-32-.1-18.6-13.4-31.8-32.1-31.8z"></path></svg></i>
-        Tab 2
-      </span></div>
+      Tab 2
+    </span></div>
             </div>
             <div class="ant-tabs-ink-bar ant-tabs-ink-bar-animated" style="display: block; transform: translate3d(0px,0,0); -webkit-transform: translate3d(0px,0,0); width: 0px;"></div>
           </div>
diff --git a/components/tooltip/__tests__/__snapshots__/demo.test.js.snap b/components/tooltip/__tests__/__snapshots__/demo.test.js.snap
index 7f5c29ec7..b279e5f74 100644
--- a/components/tooltip/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/tooltip/__tests__/__snapshots__/demo.test.js.snap
@@ -6,8 +6,8 @@ exports[`renders ./components/tooltip/demo/auto-adjust-overflow.md correctly 1`]
 
 exports[`renders ./components/tooltip/demo/basic.md correctly 1`] = `
 <span class="">
-    Tooltip will show when mouse enter.
-  </span>
+  Tooltip will show when mouse enter.
+</span>
 `;
 
 exports[`renders ./components/tooltip/demo/placement.md correctly 1`] = `
diff --git a/components/transfer/__tests__/__snapshots__/demo.test.js.snap b/components/transfer/__tests__/__snapshots__/demo.test.js.snap
index 4d647a8ad..161195a81 100644
--- a/components/transfer/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/transfer/__tests__/__snapshots__/demo.test.js.snap
@@ -31,8 +31,8 @@ exports[`renders ./components/transfer/demo/advanced.md correctly 1`] = `
         <div class="LazyLoad" style="height: 32px;"></div>
       </ul>
       <div class="ant-transfer-list-body-not-found"><span>
-      没数据
-    </span></div>
+    没数据
+  </span></div>
     </div>
     <div class="ant-transfer-list-footer"><button type="button" class="ant-btn ant-btn-default ant-btn-sm" style="float: right; margin: 5px;"><span>reload</span></button></div>
   </div>
@@ -49,8 +49,8 @@ exports[`renders ./components/transfer/demo/advanced.md correctly 1`] = `
       </div>
       <ul class="ant-transfer-list-content"></ul>
       <div class="ant-transfer-list-body-not-found"><span>
-      没数据
-    </span></div>
+    没数据
+  </span></div>
     </div>
     <div class="ant-transfer-list-footer"><button type="button" class="ant-btn ant-btn-default ant-btn-sm" style="float: right; margin: 5px;"><span>reload</span></button></div>
   </div>
diff --git a/components/tree/__tests__/__snapshots__/demo.test.js.snap b/components/tree/__tests__/__snapshots__/demo.test.js.snap
index 0030a0168..1820faf5d 100644
--- a/components/tree/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/tree/__tests__/__snapshots__/demo.test.js.snap
@@ -134,22 +134,22 @@ exports[`renders ./components/tree/demo/search.md correctly 1`] = `
 <div><span class="ant-input-search ant-input-affix-wrapper ant-input-search" style="margin-bottom: 8px;"><input placeholder="Search" type="text" class="ant-input ant-input-search"><span class="ant-input-suffix"><i class="ant-input-search-icon anticon anticon-search"><svg viewBox="64 64 896 896" data-icon="search" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M909.6 854.5L649.9 594.8C690.2 542.7 712 479 712 412c0-80.2-31.3-155.4-87.9-212.1-56.6-56.7-132-87.9-212.1-87.9s-155.5 31.3-212.1 87.9C143.2 256.5 112 331.8 112 412c0 80.1 31.3 155.5 87.9 212.1C256.5 680.8 331.8 712 412 712c67 0 130.6-21.8 182.7-62l259.7 259.6a8.2 8.2 0 0 0 11.6 0l43.6-43.5a8.2 8.2 0 0 0 0-11.6zM570.4 570.4C528 612.7 471.8 636 412 636s-116-23.3-158.4-65.6C211.3 528 188 471.8 188 412s23.3-116.1 65.6-158.4C296 211.3 352.2 188 412 188s116.1 23.2 158.4 65.6S636 352.2 636 412s-23.3 116.1-65.6 158.4z"></path></svg></i></span></span>
   <ul role="tree" unselectable="on" class="ant-tree ant-tree-icon-hide">
     <li role="treeitem" class="ant-tree-treenode-switcher-close"><span class="ant-tree-switcher ant-tree-switcher_close"><i class="ant-tree-switcher-icon anticon anticon-caret-down"><svg viewBox="0 0 1024 1024" data-icon="caret-down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M840.4 300H183.6c-19.7 0-30.7 20.8-18.5 35l328.4 380.8c9.4 10.9 27.5 10.9 37 0L858.9 335c12.2-14.2 1.2-35-18.5-35z"></path></svg></i></span><span title="" class="ant-tree-node-content-wrapper ant-tree-node-content-wrapper-close"><span class="ant-tree-title"><span>
-          
-          <span style="color: rgb(255, 85, 0);"></span>
+        
+        <span style="color: rgb(255, 85, 0);"></span>
       0-0
       </span></span></span>
       <!---->
     </li>
     <li role="treeitem" class="ant-tree-treenode-switcher-close"><span class="ant-tree-switcher ant-tree-switcher_close"><i class="ant-tree-switcher-icon anticon anticon-caret-down"><svg viewBox="0 0 1024 1024" data-icon="caret-down" width="1em" height="1em" fill="currentColor" aria-hidden="true" class=""><path d="M840.4 300H183.6c-19.7 0-30.7 20.8-18.5 35l328.4 380.8c9.4 10.9 27.5 10.9 37 0L858.9 335c12.2-14.2 1.2-35-18.5-35z"></path></svg></i></span><span title="" class="ant-tree-node-content-wrapper ant-tree-node-content-wrapper-close"><span class="ant-tree-title"><span>
-          
-          <span style="color: rgb(255, 85, 0);"></span>
+        
+        <span style="color: rgb(255, 85, 0);"></span>
       0-1
       </span></span></span>
       <!---->
     </li>
     <li role="treeitem" class="ant-tree-treenode-switcher-close"><span class="ant-tree-switcher ant-tree-switcher-noop"></span><span title="" class="ant-tree-node-content-wrapper ant-tree-node-content-wrapper-normal"><span class="ant-tree-title"><span>
-          
-          <span style="color: rgb(255, 85, 0);"></span>
+        
+        <span style="color: rgb(255, 85, 0);"></span>
       0-2
       </span></span></span></li>
   </ul>