diff --git a/src/core/main/init/settings.tsx b/src/core/main/init/settings.tsx
index 1654571..ffda9a2 100644
--- a/src/core/main/init/settings.tsx
+++ b/src/core/main/init/settings.tsx
@@ -60,6 +60,9 @@ function NumberSetting(props: SettingComponentProps) {
     const { setting, displayer, item } = props;
     const changeValue = (value: number) => {
         if (typeof value !== 'number') return;
+        if (value < (item.step?.[0] ?? 0) || value > (item.step?.[1] ?? 100)) {
+            return;
+        }
         setting.setValue(displayer.selectStack.join('.'), value);
         displayer.update();
     };
diff --git a/src/core/main/setting.ts b/src/core/main/setting.ts
index 78e37b4..e109f26 100644
--- a/src/core/main/setting.ts
+++ b/src/core/main/setting.ts
@@ -312,8 +312,6 @@ export class SettingDisplayer extends EventEmitter<SettingDisplayerEvent> {
     }
 }
 
-// todo: 优化存储方式
-
 export const mainSetting = new MotaSetting();
 // 添加不参与全局存储的设置
 MotaSetting.noStorage.push('action.autoSkill', 'screen.fullscreen');
@@ -516,4 +514,5 @@ mainSetting
     .setDescription('audio.bgmEnabled', `是否开启背景音乐`)
     .setDescription('audio.bgmVolume', `背景音乐的音量`)
     .setDescription('audio.soundEnabled', `是否开启音效`)
-    .setDescription('audio.soundVolume', `音效的音量`);
+    .setDescription('audio.soundVolume', `音效的音量`)
+    .setDescription('ui.mapScale', `楼传小地图的缩放，百分比格式`);