diff --git a/antdv-demo b/antdv-demo
index 1ef0721ef..5a80ab4ac 160000
--- a/antdv-demo
+++ b/antdv-demo
@@ -1 +1 @@
-Subproject commit 1ef0721ef9a98944042be3708326790615a208e7
+Subproject commit 5a80ab4acdc2142534211d2cfbc1a541dabe3943
diff --git a/components/alert/__tests__/__snapshots__/demo.test.js.snap b/components/alert/__tests__/__snapshots__/demo.test.js.snap
index f626bc6e3..9240492ee 100644
--- a/components/alert/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/alert/__tests__/__snapshots__/demo.test.js.snap
@@ -7,9 +7,9 @@ exports[`renders ./antdv-demo/docs/alert/demo/banner.md correctly 1`] = `
       </svg></i><span class="ant-alert-message">Warning text</span><span class="ant-alert-description"></span></div> <br>
   <div data-show="true" class="ant-alert ant-alert-warning ant-alert-banner ant-alert-closable"><i aria-label="icon: exclamation-circle" class="anticon anticon-exclamation-circle ant-alert-icon"><svg viewBox="64 64 896 896" data-icon="exclamation-circle" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="">
         <path d="M512 64C264.6 64 64 264.6 64 512s200.6 448 448 448 448-200.6 448-448S759.4 64 512 64zm-32 232c0-4.4 3.6-8 8-8h48c4.4 0 8 3.6 8 8v272c0 4.4-3.6 8-8 8h-48c-4.4 0-8-3.6-8-8V296zm32 440a48.01 48.01 0 0 1 0-96 48.01 48.01 0 0 1 0 96z"></path>
-      </svg></i><span class="ant-alert-message">Very long warning text warning text text text text text text text</span><span class="ant-alert-description"></span><a type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="">
+      </svg></i><span class="ant-alert-message">Very long warning text warning text text text text text text text</span><span class="ant-alert-description"></span><button type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" 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></a></div> <br>
+        </svg></i></button></div> <br>
   <div data-show="true" class="ant-alert ant-alert-warning ant-alert-no-icon ant-alert-banner"><span class="ant-alert-message">Warning text without icon</span><span class="ant-alert-description"></span></div> <br>
   <div data-show="true" class="ant-alert ant-alert-error ant-alert-banner"><i aria-label="icon: close-circle" class="anticon anticon-close-circle ant-alert-icon"><svg viewBox="64 64 896 896" data-icon="close-circle" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" 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>
@@ -21,16 +21,16 @@ exports[`renders ./antdv-demo/docs/alert/demo/basic.md correctly 1`] = `<div dat
 
 exports[`renders ./antdv-demo/docs/alert/demo/closable.md correctly 1`] = `
 <div>
-  <div data-show="true" class="ant-alert ant-alert-warning ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Warning Text Warning Text Warning TextW arning Text Warning Text Warning TextWarning Text</span><span class="ant-alert-description"></span><a type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="">
+  <div data-show="true" class="ant-alert ant-alert-warning ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Warning Text Warning Text Warning TextW arning Text Warning Text Warning TextWarning Text</span><span class="ant-alert-description"></span><button type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" 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></a></div>
-  <div data-show="true" class="ant-alert ant-alert-error ant-alert-with-description ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Error Text</span><span class="ant-alert-description">Error Description Error Description Error Description Error Description Error Description Error Description</span><a type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="">
+        </svg></i></button></div>
+  <div data-show="true" class="ant-alert ant-alert-error ant-alert-with-description ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Error Text</span><span class="ant-alert-description">Error Description Error Description Error Description Error Description Error Description Error Description</span><button type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" 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></a></div>
+        </svg></i></button></div>
 </div>
 `;
 
-exports[`renders ./antdv-demo/docs/alert/demo/close-text.md correctly 1`] = `<div data-show="true" class="ant-alert ant-alert-info ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Info Text</span><span class="ant-alert-description"></span><a type="button" tabindex="0" class="ant-alert-close-icon"><span class="ant-alert-close-text">Close Now</span></a></div>`;
+exports[`renders ./antdv-demo/docs/alert/demo/close-text.md correctly 1`] = `<div data-show="true" class="ant-alert ant-alert-info ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Info Text</span><span class="ant-alert-description"></span><button type="button" tabindex="0" class="ant-alert-close-icon"><span class="ant-alert-close-text">Close Now</span></button></div>`;
 
 exports[`renders ./antdv-demo/docs/alert/demo/custom-icon.md correctly 1`] = `
 <div>
@@ -92,9 +92,9 @@ exports[`renders ./antdv-demo/docs/alert/demo/icon.md correctly 1`] = `
 
 exports[`renders ./antdv-demo/docs/alert/demo/smooth-closed.md correctly 1`] = `
 <div>
-  <div data-show="true" class="ant-alert ant-alert-success ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Alert Message Text</span><span class="ant-alert-description"></span><a type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="">
+  <div data-show="true" class="ant-alert ant-alert-success ant-alert-no-icon ant-alert-closable"><span class="ant-alert-message">Alert Message Text</span><span class="ant-alert-description"></span><button type="button" tabindex="0" class="ant-alert-close-icon"><i aria-label="icon: close" class="anticon anticon-close"><svg viewBox="64 64 896 896" data-icon="close" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" 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></a></div>
+        </svg></i></button></div>
 </div>
 `;
 
diff --git a/components/alert/index.jsx b/components/alert/index.jsx
index f22bd54c7..d9b826ab2 100644
--- a/components/alert/index.jsx
+++ b/components/alert/index.jsx
@@ -125,13 +125,18 @@ const Alert = {
     });
 
     const closeIcon = closable ? (
-      <a type="button" onClick={this.handleClose} class={`${prefixCls}-close-icon`} tabIndex={0}>
+      <button
+        type="button"
+        onClick={this.handleClose}
+        class={`${prefixCls}-close-icon`}
+        tabIndex={0}
+      >
         {closeText ? (
           <span class={`${prefixCls}-close-text`}>{closeText}</span>
         ) : (
           <Icon type="close" />
         )}
-      </a>
+      </button>
     ) : null;
 
     const iconNode = (icon &&
diff --git a/components/collapse/__tests__/__snapshots__/demo.test.js.snap b/components/collapse/__tests__/__snapshots__/demo.test.js.snap
index e522eb4f4..dcb4c5983 100644
--- a/components/collapse/__tests__/__snapshots__/demo.test.js.snap
+++ b/components/collapse/__tests__/__snapshots__/demo.test.js.snap
@@ -61,7 +61,7 @@ exports[`renders ./antdv-demo/docs/collapse/demo/borderless.md correctly 1`] = `
       <div role="button" tabindex="0" aria-expanded="true" class="ant-collapse-header"><i aria-label="icon: right" class="anticon anticon-right ant-collapse-arrow"><svg viewBox="64 64 896 896" data-icon="right" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="" style="transform: rotate(90deg);">
             <path d="M765.7 486.8L314.9 134.7A7.97 7.97 0 0 0 302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 0 0 0-50.4z"></path>
           </svg></i>This is panel header 1</div>
-      <div class="ant-collapse-content ant-collapse-content-active ant-motion-collapse-legacy">
+      <div class="ant-collapse-content ant-collapse-content-active">
         <div class="ant-collapse-content-box">
           <p>A dog is a type of domesticated animal. Known for its loyalty and faithfulness, it can be found as a welcome guest in many households across the world.</p>
         </div>
@@ -122,7 +122,7 @@ exports[`renders ./antdv-demo/docs/collapse/demo/extra.md correctly 1`] = `
               <path d="M924.8 625.7l-65.5-56c3.1-19 4.7-38.4 4.7-57.8s-1.6-38.8-4.7-57.8l65.5-56a32.03 32.03 0 0 0 9.3-35.2l-.9-2.6a443.74 443.74 0 0 0-79.7-137.9l-1.8-2.1a32.12 32.12 0 0 0-35.1-9.5l-81.3 28.9c-30-24.6-63.5-44-99.7-57.6l-15.7-85a32.05 32.05 0 0 0-25.8-25.7l-2.7-.5c-52.1-9.4-106.9-9.4-159 0l-2.7.5a32.05 32.05 0 0 0-25.8 25.7l-15.8 85.4a351.86 351.86 0 0 0-99 57.4l-81.9-29.1a32 32 0 0 0-35.1 9.5l-1.8 2.1a446.02 446.02 0 0 0-79.7 137.9l-.9 2.6c-4.5 12.5-.8 26.5 9.3 35.2l66.3 56.6c-3.1 18.8-4.6 38-4.6 57.1 0 19.2 1.5 38.4 4.6 57.1L99 625.5a32.03 32.03 0 0 0-9.3 35.2l.9 2.6c18.1 50.4 44.9 96.9 79.7 137.9l1.8 2.1a32.12 32.12 0 0 0 35.1 9.5l81.9-29.1c29.8 24.5 63.1 43.9 99 57.4l15.8 85.4a32.05 32.05 0 0 0 25.8 25.7l2.7.5a449.4 449.4 0 0 0 159 0l2.7-.5a32.05 32.05 0 0 0 25.8-25.7l15.7-85a350 350 0 0 0 99.7-57.6l81.3 28.9a32 32 0 0 0 35.1-9.5l1.8-2.1c34.8-41.1 61.6-87.5 79.7-137.9l.9-2.6c4.5-12.3.8-26.3-9.3-35zM788.3 465.9c2.5 15.1 3.8 30.6 3.8 46.1s-1.3 31-3.8 46.1l-6.6 40.1 74.7 63.9a370.03 370.03 0 0 1-42.6 73.6L721 702.8l-31.4 25.8c-23.9 19.6-50.5 35-79.3 45.8l-38.1 14.3-17.9 97a377.5 377.5 0 0 1-85 0l-17.9-97.2-37.8-14.5c-28.5-10.8-55-26.2-78.7-45.7l-31.4-25.9-93.4 33.2c-17-22.9-31.2-47.6-42.6-73.6l75.5-64.5-6.5-40c-2.4-14.9-3.7-30.3-3.7-45.5 0-15.3 1.2-30.6 3.7-45.5l6.5-40-75.5-64.5c11.3-26.1 25.6-50.7 42.6-73.6l93.4 33.2 31.4-25.9c23.7-19.5 50.2-34.9 78.7-45.7l37.9-14.3 17.9-97.2c28.1-3.2 56.8-3.2 85 0l17.9 97 38.1 14.3c28.7 10.8 55.4 26.2 79.3 45.8l31.4 25.8 92.8-32.9c17 22.9 31.2 47.6 42.6 73.6L781.8 426l6.5 39.9zM512 326c-97.2 0-176 78.8-176 176s78.8 176 176 176 176-78.8 176-176-78.8-176-176-176zm79.2 255.2A111.6 111.6 0 0 1 512 614c-29.9 0-58-11.7-79.2-32.8A111.6 111.6 0 0 1 400 502c0-29.9 11.7-58 32.8-79.2C454 401.6 482.1 390 512 390c29.9 0 58 11.6 79.2 32.8A111.6 111.6 0 0 1 624 502c0 29.9-11.7 58-32.8 79.2z"></path>
             </svg></i></div>
       </div>
-      <div class="ant-collapse-content ant-collapse-content-active ant-motion-collapse-legacy">
+      <div class="ant-collapse-content ant-collapse-content-active">
         <div class="ant-collapse-content-box">
           <p>A dog is a type of domesticated animal.Known for its loyalty and faithfulness,it can be found as a welcome guest in many households across the world.</p>
         </div>
@@ -191,7 +191,7 @@ exports[`renders ./antdv-demo/docs/collapse/demo/noarrow.md correctly 1`] = `
       <div role="button" tabindex="0" aria-expanded="true" class="ant-collapse-header"><i aria-label="icon: right" class="anticon anticon-right ant-collapse-arrow"><svg viewBox="64 64 896 896" data-icon="right" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class="" style="transform: rotate(90deg);">
             <path d="M765.7 486.8L314.9 134.7A7.97 7.97 0 0 0 302 141v77.3c0 4.9 2.3 9.6 6.1 12.6l360 281.1-360 281.1c-3.9 3-6.1 7.7-6.1 12.6V883c0 6.7 7.7 10.4 12.9 6.3l450.8-352.1a31.96 31.96 0 0 0 0-50.4z"></path>
           </svg></i>This is panel header with arrow icon</div>
-      <div class="ant-collapse-content ant-collapse-content-active ant-motion-collapse-legacy">
+      <div class="ant-collapse-content ant-collapse-content-active">
         <div class="ant-collapse-content-box">
           <p>A dog is a type of domesticated animal.Known for its loyalty and faithfulness,it can be found as a welcome guest in many households across the world.</p>
         </div>