diff --git a/admin/src/components/button/button.tsx b/admin/src/components/button/button.tsx
index 68b1a837..5f8e65b0 100644
--- a/admin/src/components/button/button.tsx
+++ b/admin/src/components/button/button.tsx
@@ -6,6 +6,8 @@ import { JSX, mergeProps } from 'solid-js';
 
 import { Props as BaseProps, ButtonType, ClickFunc, defaultProps as defaultBaseProps } from './types';
 
+export type Ref = HTMLButtonElement;
+
 export interface Props extends BaseProps {
     /**
      * 是否为图标按钮
@@ -25,6 +27,7 @@ export interface Props extends BaseProps {
     accessKey?: string;
     autofocus?: boolean;
     value?: string;
+    ref?: { (el: Ref): void; };
 }
 
 export const defaultProps: Readonly<Partial<Props>> = {
@@ -39,6 +42,7 @@ export default function(props: Props) {
     props = mergeProps(defaultProps, props);
 
     return <button value={props.value} accessKey={props.accessKey} autofocus={props.autofocus} disabled={props.disabled}
+        ref={(el) => { if (props.ref) { props.ref(el); }}}
         type={props.type} title={props.title} onClick={props.onClick} classList={{
             'c--button': true,
             'c--icon-container': true,
diff --git a/admin/src/components/button/confirm.tsx b/admin/src/components/button/confirm.tsx
index f13c1c42..52a5241e 100644
--- a/admin/src/components/button/confirm.tsx
+++ b/admin/src/components/button/confirm.tsx
@@ -2,12 +2,11 @@
 //
 // SPDX-License-Identifier: MIT
 
-import { createSignal, JSX, mergeProps, splitProps } from 'solid-js';
+import { JSX, mergeProps, onCleanup, onMount, splitProps } from 'solid-js';
 
 import { useApp } from '@/app/context';
-import { Corner, handleEvent } from '@/components/base';
-import { Dropdown } from '@/components/dropdown';
-import Button, { Props as BaseProps, defaultProps as defaultBaseProps } from './button';
+import { handleEvent } from '@/components/base';
+import Button, { Props as BaseProps, Ref as ButtonRef, defaultProps } from './button';
 import { ClickFunc } from './types';
 
 export interface Props extends BaseProps {
@@ -16,11 +15,6 @@ export interface Props extends BaseProps {
      */
     prompt?: JSX.Element;
 
-    /**
-     * 弹出框的位置
-     */
-    pos?: Corner
-
     /**
      * 自定义确定按钮上的内容
      */
@@ -39,37 +33,49 @@ export interface Props extends BaseProps {
     onClick: ClickFunc; // 此处重新声明只是为了将可选字段变为必填字段。
 }
 
-
-const defaultProps: Readonly<Partial<Props>> = {
-    ...defaultBaseProps,
-    pos: 'bottomleft'
-};
-
 /**
  * 带确认功能的按钮
  */
 export default function(props: Props) {
     props = mergeProps(defaultProps, props);
-
     const ctx = useApp();
+    let pop: HTMLDivElement;
+    let btn: ButtonRef;
 
-    const [_, btnProps] = splitProps(props, ['children', 'onClick', 'prompt', 'palette', 'ok', 'cancel', 'pos']);
-    const [visible, setVisible] = createSignal(false);
+    const [_, btnProps] = splitProps(props, ['children', 'onClick', 'prompt', 'palette', 'ok', 'cancel']);
+
+    const handleClick = (e: MouseEvent) => {
+        if (!pop.contains(e.target as Node) && !btn.contains(e.target as Node)) {
+            pop.hidePopover();
+        }
+    };
+    onMount(() => {
+        document.body.addEventListener('click', handleClick);
+    });
+    onCleanup(() => {
+        document.body.removeEventListener('click', handleClick);
+    });
 
     const confirm: ClickFunc = (e) => {
         handleEvent(props.onClick, e);
-        setVisible(false);
+        pop.hidePopover();
     };
 
-    const activator = <Button onClick={() => setVisible(!visible())} {...btnProps}>{props.children}</Button>;
+    return <>
+        <Button ref={(el)=>btn=el} {...btnProps} onClick={() => {
+            pop.togglePopover();
 
-    return <Dropdown class='c--confirm-button-panel'
-        pos={props.pos} visible={visible()} setVisible={setVisible}
-        palette={props.palette} activator={activator}>
-        {props.prompt ?? ctx.t('_i.areYouSure')}
-        <div class="actions">
-            <Button palette='secondary' onClick={()=>setVisible(false)}>{ props.cancel ?? ctx.t('_i.cancel') }</Button>
-            <Button palette='primary' autofocus onClick={confirm}>{ props.ok ?? ctx.t('_i.ok') }</Button>
+            // TODO: [CSS anchor](https://caniuse.com/?search=anchor) 支持全面的话，可以用 CSS 代替。
+            const rect = btn.getBoundingClientRect();
+            pop.style.top = rect.bottom + 'px';
+            pop.style.left = rect.left + 'px';
+        }}>{props.children}</Button>
+        <div popover="manual" ref={el=>pop=el} classList={{'c--confirm-button-panel':true, [`palette--${props.palette}`]:!!props.palette }}>
+            {props.prompt ?? ctx.t('_i.areYouSure')}
+            <div class="actions">
+                <Button palette='secondary' onClick={() => pop.hidePopover()}>{props.cancel ?? ctx.t('_i.cancel')}</Button>
+                <Button palette='primary' autofocus onClick={confirm}>{props.ok ?? ctx.t('_i.ok')}</Button>
+            </div>
         </div>
-    </Dropdown>;
+    </>;
 }
diff --git a/admin/src/components/button/group.tsx b/admin/src/components/button/group.tsx
index f1baad45..5381ac66 100644
--- a/admin/src/components/button/group.tsx
+++ b/admin/src/components/button/group.tsx
@@ -6,17 +6,21 @@ import { JSX, mergeProps } from 'solid-js';
 
 import { Props as BaseProps, defaultProps } from './types';
 
+export type Ref = HTMLFieldSetElement;
+
 export interface Props extends BaseProps {
     /**
      * 子元素，必须得是 Button 或是 LinkButton 类型。
      */
     children: JSX.Element;
+
+    ref?: { (el: Ref): void; };
 }
 
 export default function (props: Props) {
     props = mergeProps(defaultProps, props);
 
-    return <fieldset role="group" disabled={props.disabled} classList={{
+    return <fieldset role="group" ref={(el) => { if (props.ref) { props.ref(el); }}} disabled={props.disabled} classList={{
         'c--button-group': true,
         'c--button-group-rounded': props.rounded,
         [`c--button-group-${props.style}`]: true,
diff --git a/admin/src/components/button/index.ts b/admin/src/components/button/index.ts
index 459fdf3b..87ab87cc 100644
--- a/admin/src/components/button/index.ts
+++ b/admin/src/components/button/index.ts
@@ -3,7 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 export { default as Button } from './button';
-export type { Props as ButtonProps } from './button';
+export type { Props as ButtonProps, Ref as ButtonRef } from './button';
 
 export { default as LinkButton } from './link';
 export type { Props as LinkButtonProps } from './link';
@@ -12,7 +12,7 @@ export { default as ConfirmButton } from './confirm';
 export type { Props as ConfirmButtonProps } from './confirm';
 
 export { default as ButtonGroup } from './group';
-export type { Props as ButtonGroupProps } from './group';
+export type { Props as ButtonGroupProps, Ref as ButtonGroupRef } from './group';
 
 export { default as SplitButton } from './split';
 export type { Props as SplitButtonProps } from './split';
diff --git a/admin/src/components/button/split.tsx b/admin/src/components/button/split.tsx
index 33ab2b1f..94d87189 100644
--- a/admin/src/components/button/split.tsx
+++ b/admin/src/components/button/split.tsx
@@ -2,12 +2,11 @@
 //
 // SPDX-License-Identifier: MIT
 
-import { createSignal, For, JSX, Match, mergeProps, splitProps, Switch } from 'solid-js';
+import { For, JSX, Match, mergeProps, onCleanup, splitProps, Switch } from 'solid-js';
 
-import { Corner } from '@/components/base';
-import { Dropdown } from '@/components/dropdown';
-import { Props as BaseProps, default as Button, defaultProps as defaultBaseProps } from './button';
-import { default as Group } from './group';
+import { onMount } from 'solid-js';
+import { Props as BaseProps, default as Button, defaultProps } from './button';
+import { default as Group, Ref as GroupRef } from './group';
 import { ClickFunc } from './types';
 
 type Item = { type: 'divider' } | {
@@ -18,15 +17,9 @@ type Item = { type: 'divider' } | {
 };
 
 export interface Props extends BaseProps {
-    pos?: Corner;
     menus: Array<Item>;
 }
 
-const defaultProps = {
-    ...defaultBaseProps,
-    pos: 'bottomleft' as Corner
-};
-
 /**
  * 带有一个默认操作的一组按钮
  *
@@ -34,31 +27,53 @@ const defaultProps = {
 */
 export default function(props: Props) {
     props = mergeProps(defaultProps, props);
+    let pop: HTMLDivElement;
+    let group: GroupRef;
 
-    const [visible, setVisible] = createSignal(false);
+    const handleClick = (e: MouseEvent) => {
+        if (!pop.contains(e.target as Node) && !group.contains(e.target as Node)) {
+            pop.hidePopover();
+        }
+    };
+    onMount(() => {
+        document.body.addEventListener('click', handleClick);
+    });
+    onCleanup(() => {
+        document.body.removeEventListener('click', handleClick);
+    });
 
-    const [_, btnProps] = splitProps(props, ['style', 'rounded', 'disabled', 'palette', 'pos']);
+    const [_, btnProps] = splitProps(props, ['style', 'rounded', 'disabled', 'palette']);
 
-    const activator = <Group style={props.style} rounded={props.rounded} disabled={props.disabled}>
+    const activator = <Group palette={props.palette} ref={el=>group=el} style={props.style} rounded={props.rounded} disabled={props.disabled}>
         <Button {...btnProps}>{props.children}</Button>
-        <Button icon={/*@once*/true} onClick={()=>setVisible(!visible())}>keyboard_arrow_down</Button>
+        <Button icon={/*@once*/true} onClick={() => {
+            pop.togglePopover();
+
+            // TODO: [CSS anchor](https://caniuse.com/?search=anchor) 支持全面的话，可以用 CSS 代替。
+            const rect = group.getBoundingClientRect();
+            pop.style.top = rect.bottom + 'px';
+            pop.style.left = rect.left + 'px';
+        }}>keyboard_arrow_down</Button>
     </Group>;
 
-    return <Dropdown class="c--split-button_content" pos={props.pos} palette={props.palette} activator={activator} visible={visible()} setVisible={setVisible}>
-        <For each={props.menus}>
-            {(item)=>(
-                <Switch>
-                    <Match when={item.type === 'divider'}>
-                        <hr class="text-palette-bg-low" />
-                    </Match>
-                    <Match when={item.type === 'item'}>
-                        <button disabled={(item as any).disabled} class="whitespace-nowrap c--icon-container" onClick={() => {
-                            (item as any).onClick();
-                            setVisible(false);
-                        }}>{(item as any).label}</button>
-                    </Match>
-                </Switch>
-            )}
-        </For>
-    </Dropdown>;
+    return <>
+        {activator}
+        <div ref={el=>pop=el} popover="manual" classList={{ 'c--split-button_content':true, [`palette--${props.palette}`]:!!props.palette}}>
+            <For each={props.menus}>
+                {(item) => (
+                    <Switch>
+                        <Match when={item.type === 'divider'}>
+                            <hr class="text-palette-bg-low" />
+                        </Match>
+                        <Match when={item.type === 'item'}>
+                            <button disabled={(item as any).disabled} class="whitespace-nowrap c--icon-container" onClick={() => {
+                                (item as any).onClick();
+                                pop.hidePopover();
+                            }}>{(item as any).label}</button>
+                        </Match>
+                    </Switch>
+                )}
+            </For>
+        </div>
+    </>;
 }
diff --git a/admin/src/components/button/style.css b/admin/src/components/button/style.css
index 111df623..9c6c82a4 100644
--- a/admin/src/components/button/style.css
+++ b/admin/src/components/button/style.css
@@ -132,17 +132,21 @@
     /************************* confirm-button ******************************/
 
     .c--confirm-button-panel {
-        @apply flex flex-col p-4 gap-2 bg-palette-bg text-palette-fg mt-1 rounded-md;
+        @apply p-4 gap-2 bg-palette-bg text-palette-fg mt-1 rounded-md m-0;
 
         .actions {
             @apply flex justify-end gap-2 mt-4;
         }
     }
 
+    .c--confirm-button-panel:popover-open {
+        @apply flex flex-col;
+    }
+
     /************************* confirm-button ******************************/
 
     .c--split-button_content {
-        @apply flex flex-col bg-palette-bg p-1 gap-y-1 rounded-md mt-1 border border-palette-bg-low;
+        @apply bg-palette-bg p-1 gap-y-1 rounded-md mt-1 border border-palette-bg-low m-0;
 
         button {
             @apply py-1 px-2 rounded-md text-left;
@@ -152,4 +156,8 @@
             @apply bg-palette-bg-high text-palette-fg-high;
         }
     }
+
+    .c--split-button_content:popover-open {
+        @apply flex flex-col;
+    }
 }