diff --git a/idea.md b/idea.md
index 0e6ae66..1e9e938 100644
--- a/idea.md
+++ b/idea.md
@@ -78,7 +78,7 @@ dam4.png ---- 存档 59
 [] 优化开头动画
 [x] 玩家可以设置字体大小
 [] 完全删除 functions.js
-[x] 优化插件加载系统
+[] 优化插件加载系统
 [] 优化 Scroll 组件
 [] 重写技能控制系统
 [] 自定义快捷键
@@ -102,3 +102,4 @@ dam4.png ---- 存档 59
 [x] 着色器特效
 [] 完全删除 core.plugin?（待定）
 [] 通用 Addon 接口
+[] 完善加载系统
diff --git a/src/core/fx/shader.ts b/src/core/fx/shader.ts
index 269efec..7abc261 100644
--- a/src/core/fx/shader.ts
+++ b/src/core/fx/shader.ts
@@ -423,6 +423,13 @@ export class ShaderEffect extends EventEmitter<ShaderEvent> {
     `;
 }
 
+interface GameCanvasReplacer {
+    recover(): void;
+    append(): void;
+    remove(): void;
+    update(compile?: boolean): void;
+}
+
 function floorPower2(value: number) {
     return Math.pow(2, Math.ceil(Math.log(value) / Math.LN2));
 }
@@ -484,7 +491,16 @@ export function setTickerFor(effect: ShaderEffect) {
     return ticker;
 }
 
-export function replaceGameCanvas(effect: ShaderEffect, canvas: string[]) {
+/**
+ * 用着色器特效画布替换样板画布
+ * @param effect 着色器特效实例
+ * @param canvas 要替换的画布列表
+ * @returns 特效控制器，用于控制特效的显示
+ */
+export function replaceGameCanvas(
+    effect: ShaderEffect,
+    canvas: string[]
+): GameCanvasReplacer {
     let zIndex = 0;
     canvas.forEach(v => {
         const canvas = core.canvas[v].canvas;
diff --git a/src/core/main/custom/ui.ts b/src/core/main/custom/ui.ts
index ea3d714..8ae26ea 100644
--- a/src/core/main/custom/ui.ts
+++ b/src/core/main/custom/ui.ts
@@ -1,4 +1,4 @@
-import { Component, h, shallowReactive } from 'vue';
+import { Component, shallowReactive } from 'vue';
 import { EmitableEvent, EventEmitter } from '../../common/eventEmitter';
 import { KeyCode } from '../../../plugin/keyCodes';
 import { Hotkey } from './hotkey';
@@ -212,7 +212,7 @@ export class UiController extends Focus<IndexedGameUi> {
      */
     open(id: string, vOn?: UiVOn, vBind?: UiVBind) {
         const ui = this.get(id);
-        if (!ui) return;
+        if (!ui) return -1;
         const num = this.num++;
         this.add({ num, ...ui.with(vOn, vBind) });
         return num;
@@ -223,18 +223,34 @@ export class UiController extends Focus<IndexedGameUi> {
      * @param id ui的id
      * @param ui 对应的GameUi实例
      */
-    resgister(id: string, ui: GameUi) {
-        if (id in this.list) {
-            console.warn(`已存在id为'${id}'的ui，已将其覆盖`);
-        }
-        this.list[id] = ui;
+    register(...ui: GameUi[]) {
+        ui.forEach(v => {
+            const id = v.id;
+            if (id in this.list) {
+                console.warn(`已存在id为'${id}'的ui，已将其覆盖`);
+            }
+            this.list[id] = v;
+        });
     }
 
     /**
      * 取消注册一个ui
      * @param id 要取消注册的ui的id
      */
-    unregister(id: string) {
-        delete this.list[id];
+    unregister(...id: string[]) {
+        id.forEach(v => {
+            delete this.list[v];
+        });
+        return this;
+    }
+
+    /**
+     * 根据ui的唯一标识符进行聚焦
+     * @param num 要聚焦于的ui的唯一标识符
+     */
+    focusByNum(num: number, add?: boolean) {
+        const ui = this.stack.find(v => v.num === num);
+        if (!ui) return;
+        this.focus(ui);
     }
 }
diff --git a/src/core/main/init/ui.ts b/src/core/main/init/ui.ts
index 9a76be2..e0b5565 100644
--- a/src/core/main/init/ui.ts
+++ b/src/core/main/init/ui.ts
@@ -62,4 +62,4 @@ fixedUi.register(
     new GameUi('completeAchi', CompleteAchi)
 );
 
-mainUi.focus(mainUi.get('start'), true);
+mainUi.focusByNum(mainUi.open('start'));