diff --git a/src/picker/index.js b/src/picker/index.js
index 43e6b7e86..a94a643e1 100644
--- a/src/picker/index.js
+++ b/src/picker/index.js
@@ -1,5 +1,5 @@
 import { ref, watch, computed } from 'vue';
-import { pickerProps, PICKER_KEY, DEFAULT_ITEM_HEIGHT } from './shared';
+import { pickerProps, PICKER_KEY } from './shared';
 
 // Utils
 import { unitToPx, preventDefault, createNamespace } from '../utils';
@@ -45,9 +45,7 @@ export default createComponent({
 
     linkChildren();
 
-    const itemHeight = computed(() =>
-      props.itemHeight ? unitToPx(props.itemHeight) : DEFAULT_ITEM_HEIGHT
-    );
+    const itemHeight = computed(() => unitToPx(props.itemHeight));
 
     const dataType = computed(() => {
       const { columns } = props;
diff --git a/src/picker/shared.ts b/src/picker/shared.ts
index b9ac9f9f3..f39093563 100644
--- a/src/picker/shared.ts
+++ b/src/picker/shared.ts
@@ -10,16 +10,17 @@ export type SharedPickerProps = {
 
 export const PICKER_KEY = 'vanPicker';
 
-export const DEFAULT_ITEM_HEIGHT = 44;
-
 export const pickerProps = {
   title: String,
   loading: Boolean,
   readonly: Boolean,
   allowHtml: Boolean,
-  itemHeight: [Number, String],
   cancelButtonText: String,
   confirmButtonText: String,
+  itemHeight: {
+    type: [Number, String],
+    default: 44,
+  },
   showToolbar: {
     type: Boolean,
     default: true,