diff --git a/src/datetime-picker/README.md b/src/datetime-picker/README.md
index 32e6dc903..9aeea3412 100644
--- a/src/datetime-picker/README.md
+++ b/src/datetime-picker/README.md
@@ -33,7 +33,7 @@ export default {
     return {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 10, 1),
-      currentDate: new Date(),
+      currentDate: new Date(2021, 0, 17),
     };
   },
 };
diff --git a/src/datetime-picker/README.zh-CN.md b/src/datetime-picker/README.zh-CN.md
index 9c7e91462..9d4bd39b4 100644
--- a/src/datetime-picker/README.zh-CN.md
+++ b/src/datetime-picker/README.zh-CN.md
@@ -35,7 +35,7 @@ export default {
     return {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 10, 1),
-      currentDate: new Date(),
+      currentDate: new Date(2021, 0, 17),
     };
   },
 };
diff --git a/src/datetime-picker/demo/index.vue b/src/datetime-picker/demo/index.vue
index 690cf5644..1cc40c360 100644
--- a/src/datetime-picker/demo/index.vue
+++ b/src/datetime-picker/demo/index.vue
@@ -121,7 +121,7 @@ export default {
       minDate: new Date(2020, 0, 1),
       maxDate: new Date(2025, 10, 1),
       value: {
-        date: null,
+        date: new Date(2021, 0, 17),
         time: '12:00',
         datetime: new Date(2020, 0, 1),
         datehour: new Date(2020, 0, 1),
diff --git a/src/datetime-picker/test/__snapshots__/demo.spec.js.snap b/src/datetime-picker/test/__snapshots__/demo.spec.js.snap
index 39071a4ab..b953a167e 100644
--- a/src/datetime-picker/test/__snapshots__/demo.spec.js.snap
+++ b/src/datetime-picker/test/__snapshots__/demo.spec.js.snap
@@ -10,11 +10,11 @@ exports[`renders demo correctly 1`] = `
       <!---->
       <div class="van-picker__columns" style="height: 264px;">
         <div class="van-picker-column">
-          <ul class="van-picker-column__wrapper" style="transform: translate3d(0, 110px, 0); transition-duration: 0ms; transition-property: none;">
-            <li role="button" tabindex="0" class="van-picker-column__item van-picker-column__item--selected" style="height: 44px;">
+          <ul class="van-picker-column__wrapper" style="transform: translate3d(0, 66px, 0); transition-duration: 0ms; transition-property: none;">
+            <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
               <div class="van-ellipsis">2020</div>
             </li>
-            <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
+            <li role="button" tabindex="0" class="van-picker-column__item van-picker-column__item--selected" style="height: 44px;">
               <div class="van-ellipsis">2021</div>
             </li>
             <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
@@ -72,8 +72,8 @@ exports[`renders demo correctly 1`] = `
           </ul>
         </div>
         <div class="van-picker-column">
-          <ul class="van-picker-column__wrapper" style="transform: translate3d(0, 110px, 0); transition-duration: 0ms; transition-property: none;">
-            <li role="button" tabindex="0" class="van-picker-column__item van-picker-column__item--selected" style="height: 44px;">
+          <ul class="van-picker-column__wrapper" style="transform: translate3d(0, -594px, 0); transition-duration: 0ms; transition-property: none;">
+            <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
               <div class="van-ellipsis">01</div>
             </li>
             <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
@@ -121,7 +121,7 @@ exports[`renders demo correctly 1`] = `
             <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
               <div class="van-ellipsis">16</div>
             </li>
-            <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">
+            <li role="button" tabindex="0" class="van-picker-column__item van-picker-column__item--selected" style="height: 44px;">
               <div class="van-ellipsis">17</div>
             </li>
             <li role="button" tabindex="0" class="van-picker-column__item" style="height: 44px;">