diff --git a/src/locales/de.ts b/src/locales/de.ts
index 08cba2f..3ef58e2 100644
--- a/src/locales/de.ts
+++ b/src/locales/de.ts
@@ -1094,6 +1094,11 @@ export default {
     presetNameRequired: 'Bitte geben Sie einen Namen ein',
     presetSaved: 'Vorlage gespeichert',
     presetApplied: 'Vorlage angewendet',
+    deletePreset: 'Vorlage löschen',
+    presetDeleted: 'Vorlage gelöscht',
+    confirmOverwriteTitle: 'Vorlage existiert bereits',
+    confirmOverwriteMessage: 'Eine Vorlage mit dem Namen "{name}" existiert bereits. Überschreiben?',
+    cannotDeleteDefault: 'Standardvorlage kann nicht gelöscht werden',
     adminOnly: 'Nur Admin',
     selectPlanet: 'Planet auswählen',
     choosePlanet: 'Einen Planeten auswählen',
diff --git a/src/locales/en.ts b/src/locales/en.ts
index 8b9786e..f7c1a0d 100644
--- a/src/locales/en.ts
+++ b/src/locales/en.ts
@@ -1110,6 +1110,11 @@ export default {
     presetNameRequired: 'Please enter a preset name',
     presetSaved: 'Preset saved',
     presetApplied: 'Preset applied',
+    deletePreset: 'Delete Preset',
+    presetDeleted: 'Preset deleted',
+    confirmOverwriteTitle: 'Preset Already Exists',
+    confirmOverwriteMessage: 'Preset with name "{name}" already exists. Overwrite?',
+    cannotDeleteDefault: 'Cannot delete default preset',
     adminOnly: 'Admin Only',
     selectPlanet: 'Select Planet',
     choosePlanet: 'Choose a planet',
diff --git a/src/locales/es-LA.ts b/src/locales/es-LA.ts
index a23e1f5..19d8899 100644
--- a/src/locales/es-LA.ts
+++ b/src/locales/es-LA.ts
@@ -1102,6 +1102,11 @@ export default {
     presetNameRequired: 'Ingrese el nombre del preajuste',
     presetSaved: 'Preajuste guardado',
     presetApplied: 'Preajuste aplicado',
+    deletePreset: 'Eliminar preajuste',
+    presetDeleted: 'Preajuste eliminado',
+    confirmOverwriteTitle: 'El preajuste ya existe',
+    confirmOverwriteMessage: 'El preajuste con el nombre "{name}" ya existe. ¿Sobrescribir?',
+    cannotDeleteDefault: 'No se puede eliminar el preajuste predeterminado',
     adminOnly: 'Solo Administrador',
     selectPlanet: 'Seleccionar Planeta',
     choosePlanet: 'Elige un planeta',
diff --git a/src/locales/ja.ts b/src/locales/ja.ts
index 40d1886..14956bb 100644
--- a/src/locales/ja.ts
+++ b/src/locales/ja.ts
@@ -1120,6 +1120,11 @@ export default {
     presetNameRequired: 'プリセット名を入力してください',
     presetSaved: '保存しました',
     presetApplied: '適用しました',
+    deletePreset: 'プリセット削除',
+    presetDeleted: 'プリセットを削除しました',
+    confirmOverwriteTitle: 'プリセットは既に存在します',
+    confirmOverwriteMessage: 'プリセット名 "{name}" は既に存在します。上書きしますか？',
+    cannotDeleteDefault: 'デフォルトプリセットは削除できません',
     adminOnly: '管理者専用',
     selectPlanet: '惑星を選択',
     choosePlanet: '惑星を選択してください',
diff --git a/src/locales/ko.ts b/src/locales/ko.ts
index db0adb9..41b2bb8 100644
--- a/src/locales/ko.ts
+++ b/src/locales/ko.ts
@@ -1070,6 +1070,11 @@ export default {
     presetNameRequired: '프리셋 이름을 입력하세요',
     presetSaved: '프리셋 저장됨',
     presetApplied: '프리셋 적용됨',
+    deletePreset: '프리셋 삭제',
+    presetDeleted: '프리셋 삭제됨',
+    confirmOverwriteTitle: '프리셋이 이미 존재함',
+    confirmOverwriteMessage: '"{name}" 이름의 프리셋이 이미 존재합니다. 덮어쓰시겠습니까?',
+    cannotDeleteDefault: '기본 프리셋은 삭제할 수 없습니다',
     adminOnly: '관리자 전용',
     selectPlanet: '행성 선택',
     choosePlanet: '행성을 선택하세요',
diff --git a/src/locales/ru.ts b/src/locales/ru.ts
index d891a67..567a6a9 100644
--- a/src/locales/ru.ts
+++ b/src/locales/ru.ts
@@ -1096,6 +1096,11 @@ export default {
     presetNameRequired: 'Введите название',
     presetSaved: 'Сохранено',
     presetApplied: 'Применено',
+    deletePreset: 'Удалить',
+    presetDeleted: 'Удалено',
+    confirmOverwriteTitle: 'Уже существует',
+    confirmOverwriteMessage: 'Предустановка с именем "{name}" уже существует. Перезаписать?',
+    cannotDeleteDefault: 'Нельзя удалить стандартную предустановку',
     adminOnly: 'Только для администратора',
     selectPlanet: 'Выбрать планету',
     choosePlanet: 'Выберите планету',
diff --git a/src/locales/zh-CN.ts b/src/locales/zh-CN.ts
index c44c2e3..6858d40 100644
--- a/src/locales/zh-CN.ts
+++ b/src/locales/zh-CN.ts
@@ -1104,6 +1104,11 @@ export default {
     presetNameRequired: '请输入预设名称',
     presetSaved: '预设保存成功',
     presetApplied: '预设应用成功',
+    deletePreset: '删除预设',
+    presetDeleted: '预设已删除',
+    confirmOverwriteTitle: '预设已存在',
+    confirmOverwriteMessage: '名为 "{name}" 的预设已存在，是否覆盖？',
+    cannotDeleteDefault: '无法删除默认预设',
     npcTesting: 'NPC 测试',
     npcTestingDesc: '测试NPC侦查和攻击行为',
     selectNPC: '选择NPC',
diff --git a/src/locales/zh-TW.ts b/src/locales/zh-TW.ts
index 4df3e95..6df86c9 100644
--- a/src/locales/zh-TW.ts
+++ b/src/locales/zh-TW.ts
@@ -1089,6 +1089,11 @@ export default {
     presetNameRequired: '請輸入預設名稱',
     presetSaved: '預設已儲存',
     presetApplied: '預設已套用',
+    deletePreset: '刪除預設',
+    presetDeleted: '預設已刪除',
+    confirmOverwriteTitle: '預設已存在',
+    confirmOverwriteMessage: '名為 "{name}" 的預設已存在，是否覆蓋？',
+    cannotDeleteDefault: '無法刪除預設範本',
     adminOnly: '僅管理員',
     selectPlanet: '選擇星球',
     choosePlanet: '選擇一個星球',
diff --git a/src/views/GMView.vue b/src/views/GMView.vue
index 8fa1feb..fcd5751 100644
--- a/src/views/GMView.vue
+++ b/src/views/GMView.vue
@@ -99,6 +99,15 @@
                   </SelectContent>
                 </Select>
                 <Button @click="handleApplyPreset(section)">{{ t('gmView.applyPreset') || 'Apply' }}</Button>
+                <Button 
+                  v-if="selectedPresets[section.tabValue] !== 'default'"
+                  @click="handleDeletePreset(section)"
+                  variant="destructive"
+                  size="icon"
+                  :title="t('gmView.deletePreset') || 'Delete Preset'"
+                >
+                  <Trash2 class="h-4 w-4" />
+                </Button>
               </div>
               <div class="flex gap-2 w-full sm:w-auto ml-auto">
                 <Input v-model="presetNames[section.tabValue]" :placeholder="t('gmView.presetName') || 'Preset Name'" class="w-[150px]" />
@@ -242,6 +251,22 @@
       </AlertDialogContent>
     </AlertDialog>
 
+    <!-- 预设覆盖确认对话框 -->
+    <AlertDialog :open="presetOverwriteDialogOpen" @update:open="presetOverwriteDialogOpen = $event">
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>{{ t('gmView.confirmOverwriteTitle') || 'Preset Already Exists' }}</AlertDialogTitle>
+          <AlertDialogDescription>
+            {{ t('gmView.confirmOverwriteMessage', { name: pendingPresetToOverwrite?.name || '' }) || `Preset with name "${pendingPresetToOverwrite?.name}" already exists. Overwrite?` }}
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel @click="presetOverwriteDialogOpen = false">{{ t('common.cancel') }}</AlertDialogCancel>
+          <AlertDialogAction @click="handleConfirmOverwrite">{{ t('common.confirm') }}</AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+
     <!-- AlertDialog 提示对话框 -->
     <AlertDialog :open="alertDialogOpen" @update:open="alertDialogOpen = $event">
       <AlertDialogContent>
@@ -293,7 +318,7 @@
   import * as npcBehaviorLogic from '@/logic/npcBehaviorLogic'
   import * as publicLogic from '@/logic/publicLogic'
   import { calculateMaxFleetStorage } from '@/logic/fleetStorageLogic'
-  import { Home } from 'lucide-vue-next'
+  import { Home, Trash2 } from 'lucide-vue-next'
 
   // --- 预设系统 ---
   interface GMPreset {
@@ -302,6 +327,14 @@
     values: Record<string, number>
   }
 
+  const presetOverwriteDialogOpen = ref(false)
+  const pendingPresetToOverwrite = ref<{
+    section: any
+    name: string
+    values: Record<string, number>
+    existingIndex: number
+  } | null>(null)
+
   const getPresets = (type: string): GMPreset[] => {
     const data = localStorage.getItem(`gm_presets_${type}`)
     return data ? JSON.parse(data) : []
@@ -343,6 +376,20 @@
     section.items.forEach((item: string) => {
       values[item] = section.getValue(item)
     })
+
+    // 检查是否存在同名预设
+    const existingIndex = customPresets.value[section.tabValue]?.findIndex(p => p.name === name) ?? -1
+    
+    if (existingIndex !== -1) {
+      pendingPresetToOverwrite.value = {
+        section,
+        name,
+        values,
+        existingIndex
+      }
+      presetOverwriteDialogOpen.value = true
+      return
+    }
     
     const newPreset: GMPreset = {
       id: Date.now().toString(),
@@ -360,6 +407,49 @@
     toast.success(t('gmView.presetSaved') || '预设保存成功')
   }
 
+  const handleConfirmOverwrite = () => {
+    if (!pendingPresetToOverwrite.value) return
+    
+    const { section, values, existingIndex } = pendingPresetToOverwrite.value
+    
+    if (customPresets.value[section.tabValue]) {
+      const presets = customPresets.value[section.tabValue]!
+      
+      if (presets[existingIndex]) {
+        // 更新现有预设的值，保持ID不变
+        presets[existingIndex].values = values
+        
+        savePresets(section.tabValue, presets)
+        
+        presetNames.value[section.tabValue] = ''
+        selectedPresets.value[section.tabValue] = presets[existingIndex].id
+        
+        toast.success(t('gmView.presetSaved') || '预设保存成功')
+      }
+    }
+    
+    presetOverwriteDialogOpen.value = false
+    pendingPresetToOverwrite.value = null
+  }
+
+  const handleDeletePreset = (section: any) => {
+    const presetId = selectedPresets.value[section.tabValue]
+    if (!presetId || presetId === 'default') {
+      toast.error(t('gmView.cannotDeleteDefault') || '无法删除默认预设')
+      return
+    }
+    
+    const presets = customPresets.value[section.tabValue] || []
+    const index = presets.findIndex(p => p.id === presetId)
+    
+    if (index !== -1) {
+      presets.splice(index, 1)
+      savePresets(section.tabValue, presets)
+      selectedPresets.value[section.tabValue] = 'default'
+      toast.success(t('gmView.presetDeleted') || '预设已删除')
+    }
+  }
+
   const handleApplyPreset = (section: any) => {
     const presetId = selectedPresets.value[section.tabValue]
     if (!presetId) return