diff --git a/src/core/main/custom/keyboard.ts b/src/core/main/custom/keyboard.ts
index 1ca75e8..357d8ed 100644
--- a/src/core/main/custom/keyboard.ts
+++ b/src/core/main/custom/keyboard.ts
@@ -6,7 +6,7 @@ import {
 import { KeyCode } from '@/plugin/keyCodes';
 import { gameKey } from '../init/hotkey';
 import { unwarpBinary } from './hotkey';
-import { deleteWith } from '@/plugin/utils';
+import { deleteWith, flipBinary } from '@/plugin/utils';
 import { cloneDeep } from 'lodash-es';
 import { shallowReactive } from 'vue';
 
@@ -22,12 +22,6 @@ interface KeyboardItem {
     y: number;
     width: number;
     height: number;
-    active?: boolean;
-}
-
-interface AssistManager {
-    symbol: symbol;
-    end(): void;
 }
 
 interface VirtualKeyEmit {
@@ -46,6 +40,8 @@ interface VirtualKeyboardEvent extends EmitableEvent {
     remove: (item: KeyboardItem) => void;
     extend: (extended: Keyboard) => void;
     emit: VirtualKeyEmitFn;
+    scopeCreate: (scope: symbol) => void;
+    scopeDispose: (scope: symbol) => void;
 }
 
 /**
@@ -62,6 +58,7 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
     scope: symbol = Symbol();
     private scopeStack: symbol[] = [];
     private onEmitKey: Record<symbol, Listener<VirtualKeyEmitFn>[]> = {};
+    private scopeAssist: Record<symbol, number> = {};
 
     constructor(id: string) {
         super();
@@ -93,19 +90,11 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
     /**
      * 创造一个在某些辅助按键已经按下的情况下的作用域，这些被按下的辅助按键还可以被玩家手动取消
      * @param assist 辅助按键
-     * @returns 作用域控制器，用于结束此作用域
      */
-    withAssist(assist: number): AssistManager {
-        const thisAssist = this.assist;
+    withAssist(assist: number) {
         this.assist = assist;
         const symbol = this.createScope();
-
-        return {
-            symbol,
-            end: () => {
-                this.assist = thisAssist;
-            }
-        };
+        return symbol;
     }
 
     /**
@@ -113,6 +102,7 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
      * @returns 作用域的唯一标识符
      */
     createScope() {
+        const last = this.scopeStack.at(-1);
         const symbol = Symbol();
         this.scope = symbol;
         this.scopeStack.push(symbol);
@@ -120,6 +110,12 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
         this.onEmitKey[symbol] = ev;
         // @ts-ignore
         this.events = ev;
+        this.emit('scopeCreate', symbol);
+        if (!!last) {
+            this.scopeAssist[symbol] = this.assist;
+        }
+        this.assist = 0;
+        this.scopeAssist[symbol] = 0;
         return symbol;
     }
 
@@ -134,9 +130,12 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
         }
         const now = this.scopeStack.pop()!;
         delete this.onEmitKey[now];
+        delete this.scopeAssist[now];
         const symbol = this.scopeStack.at(-1);
+        this.emit('scopeDispose', now);
         if (!symbol) return;
         this.scope = symbol;
+        this.assist = this.scopeAssist[symbol];
         // @ts-ignore
         this.events = this.onEmitKey[symbol];
     }
@@ -168,6 +167,13 @@ export class Keyboard extends EventEmitter<VirtualKeyboardEvent> {
         this.emit('emit', key, this.assist, index, { preventDefault });
 
         if (!prevent) {
+            if (key.key === KeyCode.Ctrl) {
+                this.assist = flipBinary(this.assist, 0);
+            } else if (key.key === KeyCode.Shift) {
+                this.assist = flipBinary(this.assist, 1);
+            } else if (key.key === KeyCode.Alt) {
+                this.assist = flipBinary(this.assist, 2);
+            }
             const ev = generateKeyboardEvent(key.key, this.assist);
             gameKey.emitKey(key.key, this.assist, 'up', ev);
         }
@@ -188,3 +194,7 @@ export function generateKeyboardEvent(key: KeyCode, assist: number) {
 
     return ev;
 }
+
+export function isAssist(key: KeyCode) {
+    return key === KeyCode.Ctrl || key === KeyCode.Shift || key === KeyCode.Alt;
+}
diff --git a/src/core/main/init/misc.tsx b/src/core/main/init/misc.tsx
new file mode 100644
index 0000000..7b80101
--- /dev/null
+++ b/src/core/main/init/misc.tsx
@@ -0,0 +1,15 @@
+import { Keyboard } from '../custom/keyboard';
+import KeyboardUI from '@/panel/keyboard.vue';
+
+interface VirtualKeyProps {
+    keyboard: Keyboard;
+}
+
+export function VirtualKey(props: VirtualKeyProps) {
+    return (
+        <KeyboardUI
+            style="align-self: center"
+            keyboard={props.keyboard}
+        ></KeyboardUI>
+    );
+}
diff --git a/src/core/main/init/ui.ts b/src/core/main/init/ui.ts
index b237ac5..7e9fd68 100644
--- a/src/core/main/init/ui.ts
+++ b/src/core/main/init/ui.ts
@@ -1,4 +1,5 @@
 import * as UI from '@ui/.';
+import * as MiscUI from './misc';
 import { GameUi, UiController } from '../custom/ui';
 import { hook } from '../game';
 
@@ -17,7 +18,8 @@ mainUi.register(
     new GameUi('achievement', UI.Achievement),
     new GameUi('bgm', UI.BgmList),
     new GameUi('hotkey', UI.Hotkey),
-    new GameUi('toolEditor', UI.ToolEditor)
+    new GameUi('toolEditor', UI.ToolEditor),
+    new GameUi('virtualKey', MiscUI.VirtualKey)
     // todo: 把游戏主 div 加入到 mainUi 里面
 );
 mainUi.showAll();
diff --git a/src/panel/keyboard.vue b/src/panel/keyboard.vue
index c216379..940396d 100644
--- a/src/panel/keyboard.vue
+++ b/src/panel/keyboard.vue
@@ -4,7 +4,7 @@
             v-for="(key, i) of keyboard.keys"
             class="keyboard-item"
             @click="keyboard.emitKey(key, i)"
-            :active="!!key.active"
+            :active="checkAssist(assist, key.key)"
             :style="{
                 left: `${key.x}px`,
                 top: `${key.y}px`,
@@ -20,27 +20,46 @@
 </template>
 
 <script lang="ts" setup>
+import { checkAssist } from '@/core/main/custom/hotkey';
 import { Keyboard } from '@/core/main/custom/keyboard';
 import { KeyboardEmits } from '@/core/main/custom/keyboard';
 import { KeyCodeUtils } from '@/plugin/keyCodes';
+import { onUnmounted, ref } from 'vue';
 
 const props = defineProps<{
     keyboard: Keyboard;
 }>();
 
-const fontSize = props.keyboard.fontSize;
+const assist = ref(props.keyboard.assist);
+const fontSize = `${props.keyboard.fontSize}px`;
 
 const [width, height] = (() => {
     const key = props.keyboard;
-    const mw = Math.max(...key.keys.map(v => v.x));
-    const mh = Math.max(...key.keys.map(v => v.y));
+    let mw = 0;
+    let mh = 0;
+    for (const k of key.keys) {
+        if (k.x + k.width > mw) mw = k.x + k.width;
+        if (k.y + k.height > mh) mh = k.y + k.height;
+    }
 
-    return [mw, mh];
+    return [`${mw}px`, `${mh}px`];
 })();
 
+function onAssist(_: any, ass: number) {
+    new Promise<void>(res => {
+        assist.value = ass;
+        res();
+    });
+}
+props.keyboard.on('emit', onAssist);
+
 const emits = defineEmits<{
     (e: 'keyup', data: KeyboardEmits): void;
 }>();
+
+onUnmounted(() => {
+    props.keyboard.off('emit', onAssist);
+});
 </script>
 
 <style lang="less" scoped>
@@ -49,6 +68,7 @@ const emits = defineEmits<{
     height: v-bind(height);
     display: block;
     font-size: v-bind(fontSize);
+    position: relative;
 }
 
 .keyboard-item {
diff --git a/src/plugin/utils.ts b/src/plugin/utils.ts
index e7ba5d0..9ed1057 100644
--- a/src/plugin/utils.ts
+++ b/src/plugin/utils.ts
@@ -7,7 +7,8 @@ import { EVENT_KEY_CODE_MAP, KeyCode } from './keyCodes';
 import axios from 'axios';
 import { decompressFromBase64 } from 'lz-string';
 import { parseColor } from './webgl/utils';
-import { KeyboardEmits } from '@/core/main/custom/keyboard';
+import { isAssist, Keyboard, KeyboardEmits } from '@/core/main/custom/keyboard';
+import { mainUi } from '@/core/main/init/ui';
 
 type CanParseCss = keyof {
     [P in keyof CSSStyleDeclaration as CSSStyleDeclaration[P] extends string
@@ -357,6 +358,21 @@ export function getVitualKeyOnce(
     assist: number = 0
 ): Promise<KeyboardEmits> {
     return new Promise(res => {
-        res({ key: KeyCode.Unknown, assist: 0 });
+        const key = Keyboard.get('qwe')!;
+        key.withAssist(assist);
+        const id = mainUi.open('virtualKey', { keyboard: key });
+        key.on('emit', (item, assist, index, ev) => {
+            ev.preventDefault();
+            if (emitAssist) {
+                res({ key: item.key, assist: 0 });
+                key.disposeScope();
+            } else {
+                if (!isAssist(item.key)) {
+                    res({ key: item.key, assist });
+                    key.disposeScope();
+                }
+            }
+            mainUi.close(id);
+        });
     });
 }