diff --git a/src/api/invest/accountDealRecord.js b/src/api/invest/accountDealRecord.js
new file mode 100644
index 0000000..17b76ae
--- /dev/null
+++ b/src/api/invest/accountDealRecord.js
@@ -0,0 +1,10 @@
+import request from '@/utils/request'
+
+// 查询账户交易记录列表
+export function listAccountDealRecord(query) {
+  return request({
+    url: '/invest/accountDealRecord/list',
+    method: 'get',
+    params: query
+  })
+}
diff --git a/src/pages/health/activity/list.vue b/src/pages/health/activity/list.vue
index 29c5a04..74cf48d 100644
--- a/src/pages/health/activity/list.vue
+++ b/src/pages/health/activity/list.vue
@@ -88,6 +88,10 @@
           </view>
           
           <view class="operate" @click.stop>
+            <view class="btn-summary" @click="handleCostSummary(item)">
+              <uni-icons type="list" size="16" color="#13c2c2"></uni-icons>
+              <text>费用汇总</text>
+            </view>
             <view class="btn-edit" @click="handleEdit(item)">
               <uni-icons type="compose" size="16" color="#667eea"></uni-icons>
               <text>修改</text>
@@ -107,13 +111,71 @@
       </view>
       <u-loadmore :status="status" loadingIcon="semicircle" height="88" fontSize="32rpx" @loadmore="loadmore" />
     </u-list>
+
+    <view v-if="summaryVisible" class="summary-mask" @click="closeSummary">
+      <view class="summary-panel" @click.stop>
+        <view class="summary-header">
+          <view class="summary-title">
+            <text class="summary-name">费用汇总</text>
+            <text class="summary-subtitle">{{ currentActivity.name || '--' }}</text>
+          </view>
+          <view class="summary-close" @click="closeSummary">
+            <uni-icons type="closeempty" size="24" color="#909399"></uni-icons>
+          </view>
+        </view>
+
+        <view class="summary-meta">
+          <view class="summary-meta-item">
+            <text class="meta-label">已选</text>
+            <text class="meta-value">{{ selectedExpenses.length }} 条</text>
+          </view>
+          <view class="summary-meta-item">
+            <text class="meta-label">合计金额</text>
+            <text class="meta-value amount">{{ selectedTotalAmount }} 元</text>
+          </view>
+        </view>
+
+        <scroll-view scroll-y class="summary-scroll">
+          <view v-if="summaryLoading" class="summary-empty">加载中...</view>
+          <view v-else-if="expenseList.length === 0" class="summary-empty">暂无可汇总支出</view>
+          <block v-else>
+            <view
+              v-for="expense in expenseList"
+              :key="expense.id"
+              class="expense-item"
+              :class="{ selected: isExpenseSelected(expense) }"
+              @click="toggleExpense(expense)"
+            >
+              <view class="expense-checkbox" :class="{ active: isExpenseSelected(expense) }"></view>
+              <view class="expense-content">
+                <view class="expense-main">
+                  <text class="expense-category">{{ expense.childCategoryName || dictStr(expense.dealCategory, dealCategoryList) || '日常支出' }}</text>
+                  <text class="expense-amount">{{ expense.amount || 0 }} 元</text>
+                </view>
+                <view class="expense-sub">
+                  <text>{{ expense.accountName || '--' }}</text>
+                  <text>{{ expense.createTime || '--' }}</text>
+                </view>
+                <text v-if="expense.remark" class="expense-remark">{{ expense.remark }}</text>
+              </view>
+            </view>
+          </block>
+        </scroll-view>
+
+        <view class="summary-footer">
+          <view class="summary-cancel" @click="closeSummary">取消</view>
+          <view class="summary-confirm" :class="{ disabled: selectedExpenses.length === 0 }" @click="confirmSummary">确认汇总</view>
+        </view>
+      </view>
+    </view>
   </view>
      <!--返回首页按钮 -->
      <suspend></suspend>
 </template>
 
 <script setup>
-import { listActivity, delActivity } from '@/api/health/activity'
+import { listActivity, getActivity, delActivity, updateActivity } from '@/api/health/activity'
+import { listAccountDealRecord } from '@/api/invest/accountDealRecord'
 import { getDicts } from '@/api/system/dict/data.js'
 import { timeHandler } from '@/utils/common.ts'
 import {onLoad,onShow} from "@dcloudio/uni-app";
@@ -126,6 +188,13 @@ const isShow = ref(false)
 const status = ref('loadmore')
 const typeList = ref([])
 const activityVolumeList = ref([])
+const dealCategoryList = ref([])
+const summaryVisible = ref(false)
+const summaryLoading = ref(false)
+const expenseList = ref([])
+const selectedExpenses = ref([])
+const currentActivityId = ref(null)
+const currentActivity = ref({})
 
 
 const  flag= ref(true)
@@ -141,6 +210,13 @@ const { filterPanel, queryParams} = toRefs(data)
 const windowHeight = computed(() => {
 			uni.getSystemInfoSync().windowHeight - 50
 		})	
+const selectedTotalAmount = computed(() => {
+  return selectedExpenses.value
+    .reduce((sum, item) => {
+      return sum + (parseFloat(item.amount) || 0)
+    }, 0)
+    .toFixed(2)
+})
 onLoad(() => {
     getList()
   });
@@ -184,6 +260,9 @@ function getList() {
              getDicts('activity_exercise').then(res => {
               activityVolumeList.value = res.data
       })
+      getDicts('deal_category').then(res => {
+        dealCategoryList.value = res.data
+      })
       status.value = 'loading'
       listActivity({ pageSize: 10, pageNum: pageNum.value, ...queryParams.value }).then(res => {
         listData.value = listData.value.concat(res.rows)
@@ -209,6 +288,104 @@ function getList() {
       uni.navigateTo({ url: `/pages/health/activity/addEdit` })
       isShow.value = true
     }
+    function handleCostSummary(item) {
+      currentActivityId.value = item.id
+      currentActivity.value = item
+      selectedExpenses.value = []
+      expenseList.value = []
+      summaryVisible.value = true
+      summaryLoading.value = true
+
+      const queryExpenseParams = {
+        pageNum: 1,
+        pageSize: 1000,
+        dealCategory: '1',
+        startTime: item.startTime ? dayjs(item.startTime).format('YYYY-MM-DD') : '',
+        endTime: item.endTime ? dayjs(item.endTime).format('YYYY-MM-DD') : dayjs().format('YYYY-MM-DD')
+      }
+
+      listAccountDealRecord(queryExpenseParams).then(res => {
+        expenseList.value = res.rows || []
+        summaryLoading.value = false
+      }).catch(() => {
+        summaryLoading.value = false
+      })
+    }
+    function closeSummary() {
+      summaryVisible.value = false
+      selectedExpenses.value = []
+      expenseList.value = []
+    }
+    function isExpenseSelected(item) {
+      return selectedExpenses.value.some(expense => expense.id === item.id)
+    }
+    function toggleExpense(item) {
+      if (isExpenseSelected(item)) {
+        selectedExpenses.value = selectedExpenses.value.filter(expense => expense.id !== item.id)
+      } else {
+        selectedExpenses.value.push(item)
+      }
+    }
+    function buildCostDetail(activity) {
+      const startDate = activity.startTime ? dayjs(activity.startTime).format('YYYY-MM-DD') : ''
+      const endDate = activity.endTime ? dayjs(activity.endTime).format('YYYY-MM-DD') : ''
+      const isMultiDay = startDate !== endDate
+
+      if (isMultiDay) {
+        const groupedByDate = {}
+        selectedExpenses.value.forEach(item => {
+          const date = dayjs(item.createTime).format('MM-DD')
+          if (!groupedByDate[date]) {
+            groupedByDate[date] = []
+          }
+          const category = item.childCategoryName || ''
+          groupedByDate[date].push(`${category} ${item.amount}元${item.remark ? '(' + item.remark + ')' : ''}`)
+        })
+        return Object.keys(groupedByDate)
+          .sort()
+          .map(date => `${date} ${groupedByDate[date].join('、')}`)
+          .join('；')
+      }
+
+      return selectedExpenses.value
+        .map(item => {
+          const category = item.childCategoryName || ''
+          return `${category} ${item.amount}元${item.remark ? '(' + item.remark + ')' : ''}`
+        })
+        .join('；')
+    }
+    function confirmSummary() {
+      if (selectedExpenses.value.length === 0) {
+        uni.showToast({
+          title: '请选择费用记录',
+          icon: 'none'
+        })
+        return
+      }
+
+      getActivity(currentActivityId.value).then(res => {
+        const activity = res.data
+        const totalAmount = parseFloat(selectedTotalAmount.value)
+        const currentTotal = parseFloat(activity.totalCost) || 0
+        const detailsWithDate = buildCostDetail(activity)
+        const updateData = {
+          ...activity,
+          totalCost: (currentTotal + totalAmount).toFixed(2),
+          costDetail: activity.costDetail ? `${activity.costDetail}；${detailsWithDate}` : detailsWithDate
+        }
+
+        updateActivity(updateData).then(() => {
+          uni.showToast({
+            title: '汇总成功',
+            icon: 'success'
+          })
+          closeSummary()
+          pageNum.value = 1
+          listData.value = []
+          getList()
+        })
+      })
+    }
     function handleDelete(item) {
       uni.showModal({
         title: '确认删除',
@@ -530,7 +707,9 @@ page {
     justify-content: flex-end;
     padding: 16rpx 24rpx 24rpx;
     gap: 16rpx;
+    flex-wrap: wrap;
 
+    .btn-summary,
     .btn-edit,
     .btn-copy,
     .btn-delete {
@@ -549,6 +728,12 @@ page {
         transform: scale(0.95);
       }
     }
+
+    .btn-summary {
+      background: rgba(19, 194, 194, 0.1);
+      color: #13c2c2;
+      border: 1rpx solid rgba(19, 194, 194, 0.3);
+    }
     
     .btn-edit {
       background: rgba(102, 126, 234, 0.1);
@@ -569,4 +754,218 @@ page {
     }
   }
 }
-</style>
\ No newline at end of file
+
+.summary-mask {
+  position: fixed;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  z-index: 999;
+  background: rgba(0, 0, 0, 0.45);
+  display: flex;
+  align-items: flex-end;
+}
+
+.summary-panel {
+  width: 100%;
+  max-height: 82vh;
+  background: #ffffff;
+  border-radius: 24rpx 24rpx 0 0;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.summary-header {
+  padding: 24rpx 28rpx;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 1rpx solid #ebeef5;
+}
+
+.summary-title {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 6rpx;
+}
+
+.summary-name {
+  color: #2c3e50;
+  font-size: 32rpx;
+  font-weight: 700;
+}
+
+.summary-subtitle {
+  color: #909399;
+  font-size: 24rpx;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.summary-close {
+  width: 56rpx;
+  height: 56rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+.summary-meta {
+  padding: 18rpx 28rpx;
+  background: #fafbfc;
+  display: flex;
+  gap: 20rpx;
+}
+
+.summary-meta-item {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 6rpx;
+  min-width: 0;
+}
+
+.meta-label {
+  color: #909399;
+  font-size: 24rpx;
+}
+
+.meta-value {
+  color: #2c3e50;
+  font-size: 30rpx;
+  font-weight: 700;
+
+  &.amount {
+    color: #f5576c;
+  }
+}
+
+.summary-scroll {
+  height: 58vh;
+  padding: 16rpx 24rpx;
+  box-sizing: border-box;
+}
+
+.summary-empty {
+  color: #909399;
+  font-size: 28rpx;
+  text-align: center;
+  padding: 120rpx 0;
+}
+
+.expense-item {
+  display: flex;
+  gap: 16rpx;
+  padding: 18rpx;
+  margin-bottom: 16rpx;
+  border: 2rpx solid #ebeef5;
+  border-radius: 14rpx;
+  background: #ffffff;
+
+  &.selected {
+    border-color: rgba(102, 126, 234, 0.55);
+    background: rgba(102, 126, 234, 0.06);
+  }
+}
+
+.expense-checkbox {
+  width: 34rpx;
+  height: 34rpx;
+  margin-top: 4rpx;
+  border-radius: 50%;
+  border: 3rpx solid #dcdfe6;
+  flex-shrink: 0;
+
+  &.active {
+    border-color: #667eea;
+    background: #667eea;
+    box-shadow: inset 0 0 0 7rpx #ffffff;
+  }
+}
+
+.expense-content {
+  flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 10rpx;
+}
+
+.expense-main {
+  display: flex;
+  justify-content: space-between;
+  gap: 16rpx;
+  align-items: center;
+}
+
+.expense-category {
+  color: #2c3e50;
+  font-size: 28rpx;
+  font-weight: 600;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.expense-amount {
+  color: #f5576c;
+  font-size: 28rpx;
+  font-weight: 700;
+  flex-shrink: 0;
+}
+
+.expense-sub {
+  display: flex;
+  justify-content: space-between;
+  gap: 16rpx;
+  color: #909399;
+  font-size: 24rpx;
+}
+
+.expense-remark {
+  color: #606266;
+  font-size: 24rpx;
+  line-height: 1.5;
+  word-break: break-all;
+}
+
+.summary-footer {
+  padding: 18rpx 24rpx 28rpx;
+  display: flex;
+  gap: 16rpx;
+  border-top: 1rpx solid #ebeef5;
+}
+
+.summary-cancel,
+.summary-confirm {
+  flex: 1;
+  height: 78rpx;
+  border-radius: 14rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 30rpx;
+  font-weight: 600;
+}
+
+.summary-cancel {
+  color: #606266;
+  background: #f5f7fa;
+  border: 2rpx solid #dcdfe6;
+}
+
+.summary-confirm {
+  color: #ffffff;
+  background: #667eea;
+
+  &.disabled {
+    opacity: 0.5;
+  }
+}
+</style>