diff --git a/example/app.js b/example/app.js
index 0951a2d1..674c3fde 100644
--- a/example/app.js
+++ b/example/app.js
@@ -14,6 +14,7 @@ import HideSeconds from './demo/HideSeconds.vue';
 import MinuteStep from './demo/MinuteStep.vue';
 import FixedTimeList from './demo/FixedTimeList.vue';
 import Disabled from './demo/Disabled.vue';
+import ShadowDom from './demo/ShadowDom.vue';
 
 import docEn from './en.md';
 import docZhCN from './zh-cn.md';
@@ -74,6 +75,11 @@ const components = [
     component: ControlOpen,
     code: fs.readFileSync(`${__dirname}/demo/ControlOpen.vue`, 'utf8'),
   },
+  {
+    id: 'ShadowDom',
+    component: ShadowDom,
+    code: fs.readFileSync(`${__dirname}/demo/ShadowDom.vue`, 'utf8'),
+  },
 ];
 
 function transformMd(text) {
diff --git a/example/demo/ShadowDom.vue b/example/demo/ShadowDom.vue
new file mode 100644
index 00000000..601aad59
--- /dev/null
+++ b/example/demo/ShadowDom.vue
@@ -0,0 +1,28 @@
+<template>
+  <div>
+    <date-picker
+      ref="datePicker"
+      v-model="value"
+      value-type="format"
+      type="date"
+      placeholder="Select date"
+      :append-to-body="false"
+    ></date-picker>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'ShadowDom',
+  data() {
+    return {
+      value: null,
+    };
+  },
+  mounted() {
+    const shadow = this.$el.attachShadow({ mode: 'open' });
+
+    shadow.appendChild(this.$refs.datePicker.$el);
+  },
+};
+</script>
diff --git a/example/en.md b/example/en.md
index 1f64814d..8e3c7fab 100644
--- a/example/en.md
+++ b/example/en.md
@@ -81,3 +81,9 @@ Set custom time options by `hourOptions` `minuteOptions` `secondOptions`.
 ### Select fixed time list
 
 You can provide a list of fixed time for users to choose by `timePickerOptions`
+
+<!-- ShadowDom -->
+
+### Shadow DOM
+
+If you use the component inside shadow DOM, you should set the `:append-to-body="false"`.
diff --git a/example/zh-cn.md b/example/zh-cn.md
index 6822ef58..550295de 100644
--- a/example/zh-cn.md
+++ b/example/zh-cn.md
@@ -81,3 +81,9 @@
 ### 固定的时间列表
 
 可以通过 `timePickerOptions` 提供一个固定的时间列表选择
+
+<!-- ShadowDom -->
+
+### Shadow DOM
+
+If you use the component inside shadow DOM, you should set the `:append-to-body="false"`.
diff --git a/src/popup.vue b/src/popup.vue
index 731adf6d..d3dc5faf 100644
--- a/src/popup.vue
+++ b/src/popup.vue
@@ -37,6 +37,25 @@ export default {
       left: '',
     };
   },
+  computed: {
+    hasShadowParent() {
+      if (!document.head.attachShadow) {
+        return false;
+      }
+
+      let element = this.$el;
+
+      while (element) {
+        if (element instanceof ShadowRoot) {
+          return true;
+        }
+
+        element = element.parentNode;
+      }
+
+      return false;
+    },
+  },
   watch: {
     visible: {
       immediate: true,
@@ -76,10 +95,18 @@ export default {
   },
   methods: {
     handleClickOutside(evt) {
-      if (!this.visible) return;
+      if (!this.visible) {
+        return;
+      }
+
       const { target } = evt;
       const el = this.$el;
+
       if (el && !el.contains(target)) {
+        if (this.hasShadowParent && evt.composedPath().includes(el)) {
+          return;
+        }
+
         this.$emit('clickoutside', evt);
       }
     },