diff --git a/api/app/lib/controllers/attendance/index.js b/api/app/lib/controllers/attendance/index.js
index e12c7fd..d5b08c7 100644
--- a/api/app/lib/controllers/attendance/index.js
+++ b/api/app/lib/controllers/attendance/index.js
@@ -75,12 +75,14 @@ async function exportOvertimeStatistic (ctx) {
          d.departmrnt = d.departmrnt.map(dep => dep.name).join('、')
          d.role = d.role.map(r => r.name).join('、')
          let overtimeStatistic = sumRes.filter(s => s.pepUserId == d.pepUserId)
+         let totalDuration = 0
          for (let dayTypeKey in dayType) {
             for (let overtimeTypeKey in overtimeType) {
                let corOverTimeSta = overtimeStatistic.find(o => o.compensate == overtimeTypeKey && o.dayType == dayTypeKey)
                if (corOverTimeSta) {
                   d[overtimeTypeKey + dayTypeKey] = (corOverTimeSta.duration / 3600)
                   // .toFixed(1)
+                  totalDuration += corOverTimeSta.duration / 3600
                }
             }
          }
@@ -88,10 +90,12 @@ async function exportOvertimeStatistic (ctx) {
             d['sum' + overtimeTypeKey] = overtimeStatistic.reduce((sum, o) => {
                if (o.compensate == overtimeTypeKey) {
                   sum += o.duration / 3600
+                  totalDuration += o.duration / 3600
                }
                return sum
             }, 0)
          }
+         d.totalDuration = totalDuration
       })
 
       let overtimeTypeHeader = []
@@ -100,13 +104,13 @@ async function exportOvertimeStatistic (ctx) {
          sumOvertimeTypeHeader.push({
             title: `合计${overtimeType[overtimeTypeKey]}加班时长（小时）`,
             key: 'sum' + overtimeTypeKey,
-            defaultValue: 0
+            defaultValue: '0'
          })
          for (let dayTypeKey in dayType) {
             overtimeTypeHeader.push({
                title: dayType[dayTypeKey] + '-' + overtimeType[overtimeTypeKey],
                key: overtimeTypeKey + dayTypeKey,
-               defaultValue: 0
+               defaultValue: '0'
             })
          }
       }
@@ -129,6 +133,11 @@ async function exportOvertimeStatistic (ctx) {
       },]
          .concat(overtimeTypeHeader)
          .concat(sumOvertimeTypeHeader)
+         .concat([{
+            title: '合计加班时长(小时)',
+            key: 'totalDuration',
+            defaultValue: '0'
+         }])
 
       const fileName = `加班统计_${startDate ? moment(startDate).format('YYYY-MM-DD') : ''}${startDate && endDate ? '-' : ''}${endDate ? moment(endDate).format('YYYY-MM-DD') : ''}${startDate || endDate ? '_' : ''}${moment().format('YYYYMMDDHHmmss')}` + '.csv'
       const filePath = await simpleExcelDown({ data: returnD, header, fileName: fileName })