diff --git a/packages/address-edit/test/__snapshots__/demo.spec.js.snap b/packages/address-edit/test/__snapshots__/demo.spec.js.snap
index 6aa6f3686..56f30af28 100644
--- a/packages/address-edit/test/__snapshots__/demo.spec.js.snap
+++ b/packages/address-edit/test/__snapshots__/demo.spec.js.snap
@@ -53,6 +53,7 @@ exports[`renders demo correctly 1`] = `
             <div class="van-picker__cancel">取消</div>
             <div class="van-picker__confirm">确认</div>
           </div>
+          <!---->
           <div class="van-picker__columns" style="height:220px;">
             <div class="van-picker-column" style="height:220px;">
               <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;"></ul>
diff --git a/packages/address-edit/test/__snapshots__/index.spec.js.snap b/packages/address-edit/test/__snapshots__/index.spec.js.snap
index d102b4c3f..a0198a25e 100644
--- a/packages/address-edit/test/__snapshots__/index.spec.js.snap
+++ b/packages/address-edit/test/__snapshots__/index.spec.js.snap
@@ -108,6 +108,7 @@ exports[`create a AddressEdit with props 1`] = `
         <div class="van-picker__cancel">取消</div>
         <div class="van-picker__confirm">确认</div>
       </div>
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;"></ul>
diff --git a/packages/area/test/__snapshots__/demo.spec.js.snap b/packages/area/test/__snapshots__/demo.spec.js.snap
index c915ad8e5..8d0a741b5 100644
--- a/packages/area/test/__snapshots__/demo.spec.js.snap
+++ b/packages/area/test/__snapshots__/demo.spec.js.snap
@@ -8,6 +8,7 @@ exports[`renders demo correctly 1`] = `
         <div class="van-picker__cancel">取消</div>
         <div class="van-picker__confirm">确认</div>
       </div>
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;"></ul>
@@ -28,6 +29,7 @@ exports[`renders demo correctly 1`] = `
         <div class="van-picker__cancel">取消</div>
         <div class="van-picker__confirm">确认</div>
       </div>
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;"></ul>
@@ -49,6 +51,7 @@ exports[`renders demo correctly 1`] = `
         <div class="van-ellipsis van-picker__title">标题</div>
         <div class="van-picker__confirm">确认</div>
       </div>
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;"></ul>
diff --git a/packages/area/test/__snapshots__/index.spec.js.snap b/packages/area/test/__snapshots__/index.spec.js.snap
index 1ee4acd64..1ebee1c5b 100644
--- a/packages/area/test/__snapshots__/index.spec.js.snap
+++ b/packages/area/test/__snapshots__/index.spec.js.snap
@@ -6,6 +6,7 @@ exports[`change option 1`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 88px, 0); line-height: 44px;">
@@ -36,6 +37,7 @@ exports[`change option 2`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 200ms; transform: translate3d(0, 44px, 0); line-height: 44px;">
@@ -66,6 +68,7 @@ exports[`change option 3`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 200ms; transform: translate3d(0, 44px, 0); line-height: 44px;">
@@ -96,6 +99,7 @@ exports[`reset method 1`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 44px, 0); line-height: 44px;">
@@ -125,6 +129,7 @@ exports[`reset method 2`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 88px, 0); line-height: 44px;">
@@ -155,6 +160,7 @@ exports[`watch areaList & code 1`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 88px, 0); line-height: 44px;">
@@ -185,6 +191,7 @@ exports[`watch areaList & code 2`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 88px, 0); line-height: 44px;">
@@ -215,6 +222,7 @@ exports[`watch areaList & code 3`] = `
     <div class="van-picker__cancel">取消</div>
     <div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-picker-column" style="height: 220px;">
       <ul style="transition: 0ms; transform: translate3d(0, 88px, 0); line-height: 44px;">
diff --git a/packages/picker/test/__snapshots__/demo.spec.js.snap b/packages/picker/test/__snapshots__/demo.spec.js.snap
index 49e853d8f..6f7c96202 100644
--- a/packages/picker/test/__snapshots__/demo.spec.js.snap
+++ b/packages/picker/test/__snapshots__/demo.spec.js.snap
@@ -4,6 +4,7 @@ exports[`renders demo correctly 1`] = `
 <div>
   <div>
     <div class="van-picker">
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;">
@@ -20,6 +21,7 @@ exports[`renders demo correctly 1`] = `
   </div>
   <div>
     <div class="van-picker">
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 0px, 0);line-height:44px;">
@@ -41,6 +43,7 @@ exports[`renders demo correctly 1`] = `
         <div class="van-ellipsis van-picker__title">标题</div>
         <div class="van-picker__confirm">确认</div>
       </div>
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;">
@@ -57,6 +60,7 @@ exports[`renders demo correctly 1`] = `
   </div>
   <div>
     <div class="van-picker">
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 44px, 0);line-height:44px;">
@@ -71,6 +75,7 @@ exports[`renders demo correctly 1`] = `
   </div>
   <div>
     <div class="van-picker">
+      <!---->
       <div class="van-picker__columns" style="height:220px;">
         <div class="van-picker-column column1" style="height:220px;">
           <ul style="transition:0ms;transform:translate3d(0, 88px, 0);line-height:44px;">
diff --git a/packages/picker/test/__snapshots__/index.spec.js.snap b/packages/picker/test/__snapshots__/index.spec.js.snap
index 6fabc1d58..dac8778fb 100644
--- a/packages/picker/test/__snapshots__/index.spec.js.snap
+++ b/packages/picker/test/__snapshots__/index.spec.js.snap
@@ -33,6 +33,7 @@ exports[`render title slot 1`] = `
   <div class="van-hairline--top-bottom van-picker__toolbar">
     <div class="van-picker__cancel">取消</div>Custom title<div class="van-picker__confirm">确认</div>
   </div>
+  <!---->
   <div class="van-picker__columns" style="height: 220px;">
     <div class="van-hairline--top-bottom van-picker__frame" style="height: 44px;"></div>
   </div>