diff --git a/src/picker/__test__/__snapshots__/demo.test.js.snap b/src/picker/__test__/__snapshots__/demo.test.js.snap
index 16e232056..17591d3a3 100644
--- a/src/picker/__test__/__snapshots__/demo.test.js.snap
+++ b/src/picker/__test__/__snapshots__/demo.test.js.snap
@@ -2,7 +2,8 @@
 
 exports[`Picker Picker base demo works fine 1`] = `
 <base>
-  <wx-view
+  <wx-label
+    ariaRole="button"
     class="pannel-item"
     data-key="city"
     bind:tap="onClickPicker"
@@ -22,8 +23,9 @@ exports[`Picker Picker base demo works fine 1`] = `
       name="chevron-right"
       size="24px"
     />
-  </wx-view>
-  <wx-view
+  </wx-label>
+  <wx-label
+    ariaRole="button"
     class="pannel-item"
     data-key="yearSeasons"
     bind:tap="onClickPicker"
@@ -44,8 +46,9 @@ exports[`Picker Picker base demo works fine 1`] = `
       name="chevron-right"
       size="24px"
     />
-  </wx-view>
-  <wx-view
+  </wx-label>
+  <wx-label
+    ariaRole="button"
     class="pannel-item last"
     data-key="date"
     bind:tap="onClickPicker"
@@ -65,7 +68,7 @@ exports[`Picker Picker base demo works fine 1`] = `
       name="chevron-right"
       size="24px"
     />
-  </wx-view>
+  </wx-label>
   <t-picker
     cancelBtn="取消"
     confirmBtn="确认"
diff --git a/src/picker/__test__/__snapshots__/index.test.js.snap b/src/picker/__test__/__snapshots__/index.test.js.snap
index fbe64a1a4..e31d34f47 100644
--- a/src/picker/__test__/__snapshots__/index.test.js.snap
+++ b/src/picker/__test__/__snapshots__/index.test.js.snap
@@ -27,24 +27,30 @@ exports[`picker :base 1`] = `
         />
         <wx-view
           class="t-picker t-class"
+          focus="{{true}}"
           slot="content"
           style=""
+          tabindex="-1"
         >
           <wx-view
             class="t-picker__toolbar"
           >
             <wx-view
+              ariaRole="button"
               class="t-picker__cancel t-class-cancel"
               bind:tap="onCancel"
             >
               取消
             </wx-view>
             <wx-view
+              ariaLabel="选择框"
               class="t-picker__title t-class-title"
+              focus="{{true}}"
             >
               
             </wx-view>
             <wx-view
+              ariaRole="button"
               class="t-picker__confirm t-class-confirm"
               bind:tap="onConfirm"
             >
@@ -57,8 +63,10 @@ exports[`picker :base 1`] = `
             <t-picker-item
               id="cityItem"
             >
-              <wx-view
+              <wx-scroll-view
                 class="t-picker-item__group"
+                enhanced="true"
+                id="t-picker-item__group"
                 style=""
                 bind:touchcancel="onTouchEnd"
                 bind:touchend="onTouchEnd"
@@ -72,6 +80,7 @@ exports[`picker :base 1`] = `
                   <wx-view
                     class="t-picker-item__item"
                     data-index="{{0}}"
+                    bind:tap="onTap"
                   >
                     
       北京
@@ -80,6 +89,7 @@ exports[`picker :base 1`] = `
                   <wx-view
                     class="t-picker-item__item"
                     data-index="{{1}}"
+                    bind:tap="onTap"
                   >
                     
       上海
@@ -88,6 +98,7 @@ exports[`picker :base 1`] = `
                   <wx-view
                     class="t-picker-item__item"
                     data-index="{{2}}"
+                    bind:tap="onTap"
                   >
                     
       广州
@@ -96,6 +107,7 @@ exports[`picker :base 1`] = `
                   <wx-view
                     class="t-picker-item__item"
                     data-index="{{3}}"
+                    bind:tap="onTap"
                   >
                     
       深圳
@@ -104,13 +116,14 @@ exports[`picker :base 1`] = `
                   <wx-view
                     class="t-picker-item__item"
                     data-index="{{4}}"
+                    bind:tap="onTap"
                   >
                     
       成都
     
                   </wx-view>
                 </wx-view>
-              </wx-view>
+              </wx-scroll-view>
             </t-picker-item>
             <wx-view
               class="t-picker__mask"