diff --git a/.changeset/odd-lizards-search.md b/.changeset/odd-lizards-search.md
new file mode 100644
index 00000000..f49b66a8
--- /dev/null
+++ b/.changeset/odd-lizards-search.md
@@ -0,0 +1,6 @@
+---
+'@banana-ui/banana': patch
+'@banana-ui/react': patch
+---
+
+Make the closing behavior of the overlay controllable.
diff --git a/docs/example/Overlay/demos/OverlayWithContent.tsx b/docs/example/Overlay/demos/OverlayWithContent.tsx
index 684fc89e..d26dbc3c 100644
--- a/docs/example/Overlay/demos/OverlayWithContent.tsx
+++ b/docs/example/Overlay/demos/OverlayWithContent.tsx
@@ -3,7 +3,7 @@
  */
 
 import { Button, Overlay } from '@banana-ui/react';
-import React, { useState } from 'react';
+import { useState } from 'react';
 
 export default function OverlayWithContent() {
   const [visiable, setVisiable] = useState(false);
diff --git a/docs/example/Overlay/index.md b/docs/example/Overlay/index.md
index 1a5176a8..beb3fed1 100644
--- a/docs/example/Overlay/index.md
+++ b/docs/example/Overlay/index.md
@@ -19,10 +19,12 @@ group: 组件
 
 ## 属性 - Attributes & Properties
 
-| 属性   | 说明                  | 类型      | 默认值 |
-| ------ | --------------------- | --------- | ------ |
-| open   | 遮罩层是否可见        | `boolean` | false  |
-| zIndex | 设置遮罩层的`z-index` | `number`  | 999    |
+| 属性                                                      | 说明                      | 类型      | 默认值 |
+| --------------------------------------------------------- | ------------------------- | --------- | ------ |
+| open                                                      | 遮罩层是否可见            | `boolean` | false  |
+| zIndex                                                    | 设置遮罩层的`z-index`     | `number`  | 999    |
+| noCloseWhenMaskClicked <br/> (no-close-when-mask-clicked) | 点击遮罩层不触发关闭事件  | `boolean` | false  |
+| noCloseWhenEscPressed <br/> (no-close-when-esc-pressed)   | 按下`Esc`键不触发关闭事件 | `boolean` | false  |
 
 ## 方法 - Methods
 
diff --git a/packages/banana/src/overlay/index.test.ts b/packages/banana/src/overlay/index.test.ts
index 1634d6c2..c86c00dd 100644
--- a/packages/banana/src/overlay/index.test.ts
+++ b/packages/banana/src/overlay/index.test.ts
@@ -1,7 +1,7 @@
-import { fixture, html, expect } from '@open-wc/testing';
-import BOverlay from '.';
-import sinon from 'sinon';
+import { expect, fixture, html } from '@open-wc/testing';
 import { sendKeys } from '@web/test-runner-commands';
+import sinon from 'sinon';
+import BOverlay from '.';
 
 describe('b-overlay', () => {
   it('when provided no parameters', async () => {
@@ -105,4 +105,20 @@ describe('b-overlay', () => {
     element.shadowRoot?.querySelector('div')?.dispatchEvent(new Event('click'));
     expect(spy.called).to.equal(false);
   });
+
+  it('should not emit the close event when click on mask and noCloseWhenMaskClicked is true', async () => {
+    const element = await fixture<BOverlay>(html` <b-overlay open no-close-when-mask-clicked></b-overlay> `);
+    const spy = sinon.spy();
+    element.addEventListener('close', spy);
+    element.shadowRoot?.querySelector('.overlay__mask')?.dispatchEvent(new Event('click'));
+    expect(spy.called).to.equal(false);
+  });
+
+  it('should not emit the close event when press escape and noCloseWhenEscKeyPressed is true', async () => {
+    const element = await fixture<BOverlay>(html` <b-overlay open no-close-when-esc-key-pressed></b-overlay> `);
+    const spy = sinon.spy();
+    element.addEventListener('close', spy);
+    await sendKeys({ down: 'Escape' });
+    expect(spy.called).to.equal(false);
+  });
 });
diff --git a/packages/banana/src/overlay/index.ts b/packages/banana/src/overlay/index.ts
index 4cebeaed..93b1a241 100644
--- a/packages/banana/src/overlay/index.ts
+++ b/packages/banana/src/overlay/index.ts
@@ -11,6 +11,14 @@ export default class BOverlay extends LitElement {
   @property({ type: Number })
   zIndex = 999;
 
+  // If no-close-when-mask-clicked is true, the overlay will not dispatch a close event when the mask is clicked.
+  @property({ type: Boolean, attribute: 'no-close-when-mask-clicked' })
+  noCloseWhenMaskClicked = false;
+
+  // If no-close-when-esc-key-pressed is true, the overlay will not dispatch a close event when the esc key is pressed.
+  @property({ type: Boolean, attribute: 'no-close-when-esc-key-pressed' })
+  noCloseWhenEscKeyPressed = false;
+
   static styles: CSSResultGroup = styles;
 
   // A style element to set the overflow of body to hidden.
@@ -56,11 +64,17 @@ export default class BOverlay extends LitElement {
 
   // Use arrow function to bind 'this' on BOverlay class.
   private _handleEscape = (e: KeyboardEvent) => {
-    if (e.key === 'Escape') {
-      void this._handleMaskClose();
+    if (e.key === 'Escape' && !this.noCloseWhenEscKeyPressed) {
+      this._handleMaskClose();
     }
   };
 
+  private _handleMaskClick() {
+    if (!this.noCloseWhenMaskClicked) {
+      this._handleMaskClose();
+    }
+  }
+
   private _handleMaskClose() {
     this.dispatchEvent(new CustomEvent('close'));
   }
@@ -78,7 +92,7 @@ export default class BOverlay extends LitElement {
       <div class="overlay__container" part="container">
         <slot></slot>
       </div>
-      <div class="overlay__mask" @click="${this._handleMaskClose}"></div>
+      <div class="overlay__mask" @click="${this._handleMaskClick}"></div>
     `;
   }
 }