diff --git a/src/form/demo/FieldTypeArea.vue b/src/form/demo/FieldTypeArea.vue
index 01731324c..f8bcfeb5a 100644
--- a/src/form/demo/FieldTypeArea.vue
+++ b/src/form/demo/FieldTypeArea.vue
@@ -10,6 +10,7 @@
   >
     <van-popup
       v-model="showArea"
+      round
       slot="extra"
       position="bottom"
       get-container="body"
diff --git a/src/form/demo/FieldTypeCalendar.vue b/src/form/demo/FieldTypeCalendar.vue
index c0bf1a8d9..485a78c3b 100644
--- a/src/form/demo/FieldTypeCalendar.vue
+++ b/src/form/demo/FieldTypeCalendar.vue
@@ -10,6 +10,7 @@
   >
     <van-calendar
       v-model="showCalendar"
+      round
       slot="extra"
       get-container="body"
       @confirm="onConfirm"
diff --git a/src/form/demo/FieldTypeDatetimePicker.vue b/src/form/demo/FieldTypeDatetimePicker.vue
index d0675e3a5..d044c9c06 100644
--- a/src/form/demo/FieldTypeDatetimePicker.vue
+++ b/src/form/demo/FieldTypeDatetimePicker.vue
@@ -10,6 +10,7 @@
   >
     <van-popup
       v-model="showPicker"
+      round
       slot="extra"
       position="bottom"
       get-container="body"
diff --git a/src/form/demo/FieldTypePicker.vue b/src/form/demo/FieldTypePicker.vue
index 14fe1a841..bf70f9787 100644
--- a/src/form/demo/FieldTypePicker.vue
+++ b/src/form/demo/FieldTypePicker.vue
@@ -10,6 +10,7 @@
   >
     <van-popup
       v-model="showPicker"
+      round
       slot="extra"
       position="bottom"
       get-container="body"