diff --git a/idea.md b/idea.md
index 498d56d..df517a9 100644
--- a/idea.md
+++ b/idea.md
@@ -21,7 +21,7 @@
 
 ### 机制
 
-[] 苍蓝之殿 1: 利用点光源，照到的位置与没照到的位置内容不同，玩家可以选择是否装备手电筒
+[] 苍蓝之殿 1:
 [] 苍蓝之殿 2:
 [] 苍蓝之殿 3:
 [] 苍蓝之殿 4:
@@ -72,7 +72,7 @@ dam4.png ---- 存档 59
 [] 区域名称显示特效，3D 粒子特效
 [] 单独的工具栏，可以自定义按键
 [] 完全 ts 化
-[] 平行光
+[] 平行光（待定）
 [] 视角控制系统
 [x] 重构设置界面
 [] 优化开头动画
@@ -96,5 +96,7 @@ dam4.png ---- 存档 59
 [] 重构技能树结构
 [] 技能树允许自动升级
 [] 重构装备系统
-[] 野外地图加入平行光
 [] 弹幕系统
+[] 优化各种 ui
+[] 怪物脚下加入阴影
+[] 着色器特效
diff --git a/src/core/main/custom/hotkey.ts b/src/core/main/custom/hotkey.ts
index 3f0f92e..12ccdd5 100644
--- a/src/core/main/custom/hotkey.ts
+++ b/src/core/main/custom/hotkey.ts
@@ -135,11 +135,12 @@ export class Hotkey extends EventEmitter<HotkeyEvent> {
      * @param hotkey 被继承的按键
      * @param cover 继承时是否覆盖同id的按键
      */
-    extend(hotkey: Hotkey, cover: boolean) {
+    extend(hotkey: Hotkey, cover: boolean = false) {
         Object.values(hotkey.list).forEach(v => {
             if (v.id in this.list && !cover) return;
             this.register(v.id, v.name, v);
         });
+        return this;
     }
 
     private ensureKey(key: KeyCode) {
@@ -177,7 +178,7 @@ hotkey
             core.doSL('autoSave', 'load');
         }
     })
-    .register('redo', '撤销回退', {
+    .register('redo', '恢复', {
         defaults: KeyCode.KeyW,
         func: () => {
             core.doSL('autoSave', 'reload');
diff --git a/src/core/main/custom/ui.ts b/src/core/main/custom/ui.ts
index 55e7c99..02ee36b 100644
--- a/src/core/main/custom/ui.ts
+++ b/src/core/main/custom/ui.ts
@@ -1,4 +1,4 @@
-import { Component, shallowReactive } from 'vue';
+import { Component, h, shallowReactive } from 'vue';
 import { EmitableEvent, EventEmitter } from '../../common/eventEmitter';
 import { KeyCode } from '../../../plugin/keyCodes';
 import { Hotkey } from './hotkey';
@@ -19,9 +19,13 @@ export class Focus<T = any> extends EventEmitter<FocusEvent<T>> {
     stack: T[];
     focused: T | null = null;
 
-    constructor(react?: boolean) {
+    /** ui是否平等，在平等时，关闭ui不再会将其之后的ui全部删除，而是保留 */
+    readonly equal: boolean;
+
+    constructor(react: boolean = false, equal: boolean = false) {
         super();
         this.stack = react ? shallowReactive([]) : [];
+        this.equal = equal;
     }
 
     /**
@@ -79,12 +83,15 @@ export class Focus<T = any> extends EventEmitter<FocusEvent<T>> {
      */
     pop() {
         const item = this.stack.pop() ?? null;
+        const last = this.stack.at(-1) ?? null;
+        if (!last) this.unfocus();
+        else this.focus(last);
         this.emit('pop', item);
         return item;
     }
 
     /**
-     * 从一个位置开始删除显示列表
+     * 从一个位置开始删除显示列表，如果ui平等，则只会删除一个，否则会将其之后的所有ui全部删除
      * @param item 从哪开始删除，包括此项
      */
     splice(item: T) {
@@ -93,7 +100,13 @@ export class Focus<T = any> extends EventEmitter<FocusEvent<T>> {
             this.emit('splice', []);
             return;
         }
-        this.emit('splice', this.stack.splice(index));
+        const last = this.stack.at(-1) ?? null;
+        if (!last) this.unfocus();
+        else this.focus(last);
+        this.emit(
+            'splice',
+            this.stack.splice(index, this.equal ? 1 : Infinity)
+        );
     }
 
     /**
@@ -133,6 +146,9 @@ export class GameUi extends EventEmitter<GameUiEvent> {
     hotkey?: Hotkey;
     id: string;
 
+    vBind: any = {};
+    vOn: Record<string, (...params: any[]) => any> = {};
+
     constructor(id: string, component: Component, hotkey?: Hotkey) {
         super();
         this.component = component;
@@ -140,17 +156,53 @@ export class GameUi extends EventEmitter<GameUiEvent> {
         this.id = id;
         GameUi.uiList.push(this);
     }
+
+    /**
+     * 双向数据绑定，即 vue 内的 v-bind
+     * @param data 要绑定的数据
+     */
+    vbind(data: any) {
+        this.vBind = data;
+    }
+
+    /**
+     * 监听这个ui组件所触发的某种事件
+     * @param event 要监听的事件
+     * @param fn 事件触发时执行的函数
+     */
+    von(event: string, fn: (...params: any[]) => any) {
+        this.vOn[event] = fn;
+    }
+
+    /**
+     * 取消监听这个ui组件所触发的某种事件
+     * @param event 要取消监听的事件
+     */
+    voff(event: string) {
+        delete this.vOn[event];
+    }
 }
 
 export class UiController extends Focus<GameUi> {
-    constructor() {
-        super(true);
+    static list: UiController[] = [];
+
+    constructor(equal?: boolean) {
+        super(true, equal);
+        UiController.list.push(this);
         this.on('splice', spliced => {
             spliced.forEach(v => {
                 v.emit('close');
+                if (this.stack.length === 0) {
+                    this.emit('end');
+                }
             });
         });
-        this.on('add', item => item.emit('open'));
+        this.on('add', item => {
+            if (this.stack.length === 1) {
+                this.emit('start');
+            }
+            item.emit('open');
+        });
     }
 
     /**
@@ -171,7 +223,7 @@ export class UiController extends Focus<GameUi> {
     }
 
     /**
-     * 关闭一个ui，注意在其之后的ui都会同时关闭掉
+     * 关闭一个ui，注意如果不是平等模式，在其之后的ui都会同时关闭掉
      * @param id 要关闭的ui的id
      */
     close(id: string) {
diff --git a/src/core/main/init/ui.ts b/src/core/main/init/ui.ts
index 3076455..3df84d7 100644
--- a/src/core/main/init/ui.ts
+++ b/src/core/main/init/ui.ts
@@ -10,26 +10,16 @@ import FixedDetail from '../../../ui/fixedDetail.vue';
 import Shop from '../../../ui/shop.vue';
 import Achievement from '../../../ui/achievement.vue';
 import Bgm from '../../../ui/bgmList.vue';
+import StatusBar from '../../../ui/statusBar.vue';
+import Mark from '../../../ui/markedEnemy.vue';
+import Fixed from '../../../ui/fixed.vue';
+import Chapter from '../../../ui/chapter.vue';
+import CompleteAchi from '../../../ui/completeAchievement.vue';
+import Start from '../../../ui/start.vue';
 import { GameUi, UiController } from '../custom/ui';
 import { Hotkey } from '../custom/hotkey';
 import { KeyCode } from '../../../plugin/keyCodes';
 
-export const mainUi = new UiController();
-mainUi.register(
-    new GameUi('book', Book),
-    new GameUi('toolbox', Toolbox),
-    new GameUi('equipbox', Equipbox),
-    new GameUi('settings', Settings),
-    new GameUi('desc', Desc),
-    new GameUi('skill', Skill),
-    new GameUi('skillTree', SkillTree),
-    new GameUi('fly', Fly),
-    new GameUi('fixedDetail', FixedDetail),
-    new GameUi('shop', Shop),
-    new GameUi('achievement', Achievement),
-    new GameUi('bgm', Bgm)
-);
-
 export const exitKey = new Hotkey('exitKey');
 exitKey
     .register('exit1', '退出', {
@@ -44,3 +34,30 @@ exitKey
             if (mainUi.focused) mainUi.splice(mainUi.focused);
         }
     });
+
+export const mainUi = new UiController();
+mainUi.register(
+    new GameUi('book', Book, exitKey),
+    new GameUi('toolbox', Toolbox, exitKey),
+    new GameUi('equipbox', Equipbox, exitKey),
+    new GameUi('settings', Settings, exitKey),
+    new GameUi('desc', Desc, exitKey),
+    new GameUi('skill', Skill, exitKey),
+    new GameUi('skillTree', SkillTree, exitKey),
+    new GameUi('fly', Fly, exitKey),
+    new GameUi('fixedDetail', FixedDetail, exitKey),
+    new GameUi('shop', Shop, exitKey),
+    new GameUi('achievement', Achievement, exitKey),
+    new GameUi('bgm', Bgm, exitKey),
+    new GameUi('start', Start)
+    // todo: 把游戏主 div 加入到 mainUi 里面
+);
+
+export const fixedUi = new UiController(true);
+fixedUi.register(
+    new GameUi('statusBar', StatusBar),
+    new GameUi('markedEnemy', Mark),
+    new GameUi('fixed', Fixed),
+    new GameUi('chapter', Chapter),
+    new GameUi('completeAchi', CompleteAchi)
+);