diff --git a/src/date-picker.vue b/src/date-picker.vue
index 1515a39..5ada0e4 100644
--- a/src/date-picker.vue
+++ b/src/date-picker.vue
@@ -400,11 +400,13 @@ export default {
       }
     },
     openPopup() {
+      if (this.popupVisible) return;
       this.defaultOpen = true;
       this.$emit('open');
       this.$emit('update:open', true);
     },
     closePopup() {
+      if (!this.popupVisible) return;
       this.defaultOpen = false;
       this.$emit('close');
       this.$emit('update:open', false);