diff --git a/frontend/src/views/plan/components/PlanSelector.vue b/frontend/src/views/plan/components/PlanSelector.vue
index 6877a85..a81a6bb 100644
--- a/frontend/src/views/plan/components/PlanSelector.vue
+++ b/frontend/src/views/plan/components/PlanSelector.vue
@@ -18,7 +18,7 @@
             :key="plan.id"
             :type="activePlanId === plan.id ? 'primary' : 'default'"
             size="large"
-            @click="$emit('plan-change', plan.id)"
+            @click="handlePlanClick(plan.id)"
             class="plan-button"
           >
             <span class="plan-name">{{ plan.name }}</span>
@@ -33,6 +33,7 @@
 </template>
 
 <script setup lang="ts">
+
 interface Plan {
   id: string
   name: string
@@ -48,8 +49,22 @@ interface Emits {
   (e: 'plan-change', planId: string): void
 }
 
-defineProps<Props>()
-defineEmits<Emits>()
+const props = defineProps<Props>()
+const emit = defineEmits<Emits>()
+
+// 防抖点击处理
+const debounce = <T extends (...args: any[]) => any>(func: T, wait: number): T => {
+  let timeout: NodeJS.Timeout | null = null
+  return ((...args: any[]) => {
+    if (timeout) clearTimeout(timeout)
+    timeout = setTimeout(() => func(...args), wait)
+  }) as T
+}
+
+const handlePlanClick = debounce((planId: string) => {
+  if (planId === props.activePlanId) return
+  emit('plan-change', planId)
+}, 100)
 
 const getPlanTypeLabel = (planType: string) => {
   const labelMap: Record<string, string> = {
diff --git a/frontend/src/views/plan/index.vue b/frontend/src/views/plan/index.vue
index de2a266..5e6acc6 100644
--- a/frontend/src/views/plan/index.vue
+++ b/frontend/src/views/plan/index.vue
@@ -63,7 +63,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, nextTick, onMounted, ref, watch } from 'vue'
+import { computed, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
 import { message } from 'ant-design-vue'
 import { usePlanApi } from '@/composables/usePlanApi'
@@ -112,6 +112,15 @@ const currentTableComponent = computed(() => {
   }
 })
 
+// 添加防抖工具函数
+const debounce = <T extends (...args: any[]) => any>(func: T, wait: number): T => {
+  let timeout: NodeJS.Timeout | null = null
+  return ((...args: any[]) => {
+    if (timeout) clearTimeout(timeout)
+    timeout = setTimeout(() => func(...args), wait)
+  }) as T
+}
+
 const handleAddPlan = async (planType: string = 'MaaPlan') => {
   try {
     const response = await createPlan(planType)
@@ -147,7 +156,72 @@ const handleRemovePlan = async (planId: string) => {
   }
 }
 
+// 添加异步保存队列和状态管理
+const savingQueue = ref(new Set<string>())
+const savePromises = ref(new Map<string, Promise<void>>())
+
+// 异步保存函数
+const saveInBackground = async (planId: string) => {
+  // 如果已经在保存队列中，等待现有的保存完成
+  if (savingQueue.value.has(planId)) {
+    const existingPromise = savePromises.value.get(planId)
+    if (existingPromise) {
+      await existingPromise
+    }
+    return
+  }
+
+  savingQueue.value.add(planId)
+
+  const savePromise = (async () => {
+    try {
+      const currentPlan = planList.value.find(plan => plan.id === planId)
+      const planType = currentPlan?.type || 'MaaPlan'
+
+      // Start from existing tableData, then overwrite Info explicitly
+      const planData: Record<string, any> = { ...(tableData.value || {}) }
+      planData.Info = { Mode: currentMode.value, Name: currentPlanName.value, Type: planType }
+
+      await updatePlan(planId, planData)
+    } catch (error) {
+      console.error('后台保存计划数据失败:', error)
+      // 不显示错误消息，避免打断用户操作
+    } finally {
+      savingQueue.value.delete(planId)
+      savePromises.value.delete(planId)
+    }
+  })()
+
+  savePromises.value.set(planId, savePromise)
+  return savePromise
+}
+
+// 防抖保存函数
+const debouncedSave = debounce(async () => {
+  if (!activePlanId.value) return
+  await saveInBackground(activePlanId.value)
+}, 300)
+
+const handleSave = async () => {
+  if (!activePlanId.value) {
+    message.warning('请先选择一个计划')
+    return
+  }
+  await debouncedSave()
+}
+
+// 优化计划切换逻辑
 const onPlanChange = async (planId: string) => {
+  if (planId === activePlanId.value) return
+
+  // 触发当前计划的异步保存，但不等待完成
+  if (activePlanId.value) {
+    saveInBackground(activePlanId.value).catch(error => {
+      console.warn('切换时保存当前计划失败:', error)
+    })
+  }
+
+  // 立即切换到新计划
   activePlanId.value = planId
   await loadPlanData(planId)
 }
@@ -232,35 +306,24 @@ const initPlans = async () => {
   }
 }
 
-const savePlanData = async () => {
-  if (!activePlanId.value) return
+const savePlanData = async (planId?: string) => {
+  const targetPlanId = planId || activePlanId.value
+  if (!targetPlanId) return
+
   try {
-    const currentPlan = planList.value.find(plan => plan.id === activePlanId.value)
+    const currentPlan = planList.value.find(plan => plan.id === targetPlanId)
     const planType = currentPlan?.type || 'MaaPlan'
 
-    // Start from existing tableData, then overwrite Info explicitly
     const planData: Record<string, any> = { ...(tableData.value || {}) }
     planData.Info = { Mode: currentMode.value, Name: currentPlanName.value, Type: planType }
 
-    await updatePlan(activePlanId.value, planData)
+    await updatePlan(targetPlanId, planData)
   } catch (error) {
     console.error('保存计划数据失败:', error)
     throw error
   }
 }
 
-const handleSave = async () => {
-  if (!activePlanId.value) {
-    message.warning('请先选择一个计划')
-    return
-  }
-  try {
-    await savePlanData()
-  } catch (error) {
-    message.error('保存失败')
-  }
-}
-
 const getDefaultPlanName = (planType: string) =>
   (
     ({
@@ -282,7 +345,7 @@ watch(
   () => [currentPlanName.value, currentMode.value],
   async () => {
     await nextTick()
-    handleSave()
+    await debouncedSave()
   }
 )
 
@@ -298,8 +361,24 @@ watch(
   }
 )
 
+// 在组件卸载前确保所有保存操作完成
+const ensureAllSaved = async () => {
+  const pendingPromises = Array.from(savePromises.value.values())
+  if (pendingPromises.length > 0) {
+    await Promise.allSettled(pendingPromises)
+  }
+}
+
 onMounted(() => {
   initPlans()
+
+  // 监听页面卸载
+  window.addEventListener('beforeunload', ensureAllSaved)
+})
+
+onUnmounted(() => {
+  window.removeEventListener('beforeunload', ensureAllSaved)
+  ensureAllSaved()
 })
 </script>
 
diff --git a/frontend/src/views/plan/tables/MaaPlanTable.vue b/frontend/src/views/plan/tables/MaaPlanTable.vue
index 9779a8b..1401524 100644
--- a/frontend/src/views/plan/tables/MaaPlanTable.vue
+++ b/frontend/src/views/plan/tables/MaaPlanTable.vue
@@ -178,7 +178,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, defineComponent, onMounted, ref, watch } from 'vue'
+import { computed, defineComponent, ref, watch } from 'vue'
 import { message } from 'ant-design-vue'
 import { PlusOutlined } from '@ant-design/icons-vue'
 
@@ -219,6 +219,7 @@ const VNodeRenderer = defineComponent({
   },
 })
 
+// 改回使用普通的ref，确保响应式正常工作
 const rows = ref<TableRow[]>([
   {
     key: 'MedicineNumb',
@@ -411,38 +412,40 @@ const addCustomStage = (rowKey: string, columnKey: string) => {
   message.success('关卡添加成功')
 }
 
+// 缓存计算属性，避免重复计算
+const stageOptionsCache = ref(new Map<string, any[]>())
+
 const stageOptions = computed(() => {
-  const baseOptions = STAGE_DAILY_INFO.map(stage => ({
-    label: stage.text,
-    value: stage.value,
-    isCustom: false,
-  }))
-  const customOptions = Object.keys(customStageNames.value).map(key => ({
-    label: customStageNames.value[key],
-    value: key,
-    isCustom: true,
-  }))
-  return [...baseOptions, ...customOptions]
+  const cacheKey = 'base_stage_options'
+  if (!stageOptionsCache.value.has(cacheKey)) {
+    const baseOptions = STAGE_DAILY_INFO.map(stage => ({
+      label: stage.text,
+      value: stage.value,
+      isCustom: false,
+    }))
+    const customOptions = Object.keys(customStageNames.value).map(key => ({
+      label: customStageNames.value[key],
+      value: key,
+      isCustom: true,
+    }))
+    stageOptionsCache.value.set(cacheKey, [...baseOptions, ...customOptions])
+  }
+  return stageOptionsCache.value.get(cacheKey) || []
 })
 
-const isCustomStage = (value: string, columnKey: string) => {
-  if (!value || value === '-') return false
-  const dayNumber = getDayNumber(columnKey)
-  let availableStages: string[]
-  if (dayNumber === 0) {
-    availableStages = STAGE_DAILY_INFO.map(stage => stage.value)
-  } else {
-    availableStages = STAGE_DAILY_INFO.filter(stage => stage.days.includes(dayNumber)).map(
-      stage => stage.value
-    )
-  }
-  return !availableStages.includes(value)
-}
-
+// 优化getSelectOptions函数，添加缓存
 const getSelectOptions = (columnKey: string, taskName: string, currentValue?: string) => {
+  const cacheKey = `${columnKey}_${taskName}_${currentValue || ''}`
+
+  if (stageOptionsCache.value.has(cacheKey)) {
+    return stageOptionsCache.value.get(cacheKey)
+  }
+
+  let options: any[] = []
+
   switch (taskName) {
     case '连战次数':
-      return [
+      options = [
         { label: 'AUTO', value: '0' },
         { label: '1', value: '1' },
         { label: '2', value: '2' },
@@ -452,6 +455,7 @@ const getSelectOptions = (columnKey: string, taskName: string, currentValue?: st
         { label: '6', value: '6' },
         { label: '不切换', value: '-1' },
       ]
+      break
     case '关卡选择':
     case '备选关卡-1':
     case '备选关卡-2':
@@ -486,11 +490,30 @@ const getSelectOptions = (columnKey: string, taskName: string, currentValue?: st
           value: customStageNames.value[key],
           isCustom: true,
         }))
-      return [...baseOptions, ...customOptions]
+      options = [...baseOptions, ...customOptions]
+      break
     }
     default:
-      return []
+      options = []
   }
+
+  // 缓存结果
+  stageOptionsCache.value.set(cacheKey, options)
+  return options
+}
+
+const isCustomStage = (value: string, columnKey: string) => {
+  if (!value || value === '-') return false
+  const dayNumber = getDayNumber(columnKey)
+  let availableStages: string[]
+  if (dayNumber === 0) {
+    availableStages = STAGE_DAILY_INFO.map(stage => stage.value)
+  } else {
+    availableStages = STAGE_DAILY_INFO.filter(stage => stage.days.includes(dayNumber)).map(
+      stage => stage.value
+    )
+  }
+  return !availableStages.includes(value)
 }
 
 const getPlaceholder = (taskName: string) => {
@@ -549,9 +572,11 @@ const isStageEnabled = (stageValue: string, columnKey: string) => {
 
 const toggleStage = (stageValue: string, columnKey: string, checked: boolean) => {
   const stageSlots = ['Stage', 'Stage_1', 'Stage_2', 'Stage_3']
+  const newRows = [...rows.value]
+
   if (checked) {
     for (const slot of stageSlots) {
-      const row = rows.value.find(r => r.key === slot) as TableRow | undefined
+      const row = newRows.find(r => r.key === slot) as TableRow | undefined
       if (row && ((row as any)[columnKey] === '-' || (row as any)[columnKey] === '')) {
         ;(row as any)[columnKey] = stageValue
         break
@@ -559,12 +584,14 @@ const toggleStage = (stageValue: string, columnKey: string, checked: boolean) =>
     }
   } else {
     for (const slot of stageSlots) {
-      const row = rows.value.find(r => r.key === slot) as TableRow | undefined
+      const row = newRows.find(r => r.key === slot) as TableRow | undefined
       if (row && (row as any)[columnKey] === stageValue) {
         ;(row as any)[columnKey] = '-'
       }
     }
   }
+
+  rows.value = newRows
 }
 
 const getSimpleTaskTagColor = (taskName: string) => {
@@ -626,29 +653,6 @@ const disableAllStages = (stageValue: string) => {
   })
 }
 
-// 将 props.tableData 映射到 rows
-const applyPlanDataToRows = (plan: Record<string, any> | null | undefined) => {
-  if (!plan) return
-  const timeKeys = [
-    'ALL',
-    'Monday',
-    'Tuesday',
-    'Wednesday',
-    'Thursday',
-    'Friday',
-    'Saturday',
-    'Sunday',
-  ]
-  rows.value.forEach(row => {
-    const fieldKey = row.key
-    timeKeys.forEach(timeKey => {
-      if (plan[timeKey] && plan[timeKey][fieldKey] !== undefined) {
-        ;(row as any)[timeKey] = plan[timeKey][fieldKey]
-      }
-    })
-  })
-}
-
 // 从 rows 组装为 API 所需结构
 const buildPlanDataFromRows = (): Record<string, any> => {
   const planData: Record<string, any> = {}
@@ -671,6 +675,48 @@ const buildPlanDataFromRows = (): Record<string, any> => {
   return planData
 }
 
+// 优化数据同步，但保持响应式
+const applyPlanDataToRows = (plan: Record<string, any> | null | undefined) => {
+  if (!plan) return
+
+  const timeKeys = [
+    'ALL',
+    'Monday',
+    'Tuesday',
+    'Wednesday',
+    'Thursday',
+    'Friday',
+    'Saturday',
+    'Sunday',
+  ]
+
+  rows.value.forEach(row => {
+    const fieldKey = row.key
+    timeKeys.forEach(timeKey => {
+      if (plan[timeKey] && plan[timeKey][fieldKey] !== undefined) {
+        ;(row as any)[timeKey] = plan[timeKey][fieldKey]
+      }
+    })
+  })
+
+  // 清除缓存以重新计算选项
+  stageOptionsCache.value.clear()
+}
+
+// 简化的防抖函数
+const debounce = <T extends (...args: any[]) => any>(func: T, wait: number): T => {
+  let timeout: NodeJS.Timeout | null = null
+  return ((...args: any[]) => {
+    if (timeout) clearTimeout(timeout)
+    timeout = setTimeout(() => func(...args), wait)
+  }) as T
+}
+
+const debouncedEmitUpdate = debounce(() => {
+  emit('update-table-data', buildPlanDataFromRows())
+}, 150)
+
+// 恢复正常的watch监听
 watch(
   () => props.tableData,
   newVal => {
@@ -679,28 +725,14 @@ watch(
   { immediate: true, deep: true }
 )
 
+// 监听rows变化并触发更新
 watch(
-  () =>
-    rows.value.map(r => ({
-      key: r.key,
-      ALL: r.ALL,
-      Monday: r.Monday,
-      Tuesday: r.Tuesday,
-      Wednesday: r.Wednesday,
-      Thursday: r.Thursday,
-      Friday: r.Friday,
-      Saturday: r.Saturday,
-      Sunday: r.Sunday,
-    })),
+  rows,
   () => {
-    emit('update-table-data', buildPlanDataFromRows())
+    debouncedEmitUpdate()
   },
   { deep: true }
 )
-
-onMounted(() => {
-  applyPlanDataToRows(props.tableData || {})
-})
 </script>
 
 <style scoped>