diff --git a/api/app/lib/controllers/alarm/app.js b/api/app/lib/controllers/alarm/app.js
index c035bbe..265e99c 100644
--- a/api/app/lib/controllers/alarm/app.js
+++ b/api/app/lib/controllers/alarm/app.js
@@ -403,7 +403,7 @@ async function exportAppAlarms (ctx, listRes) {
 
          exportData.push(item)
       }
-      const fileName = `应用异常列表_${moment().format('YYYYMMDDHHmmss')}` + '.csv'
+      const fileName = `应用异常列表_${moment().format('YYYYMMDDHHmmss')}` + '.xlsx'
       const filePath = await simpleExcelDown({ data: exportData, header, fileName: fileName })
       const fileData = fs.readFileSync(filePath);
       ctx.status = 200;
diff --git a/api/app/lib/controllers/alarm/data.js b/api/app/lib/controllers/alarm/data.js
index 8357c68..ca1204a 100644
--- a/api/app/lib/controllers/alarm/data.js
+++ b/api/app/lib/controllers/alarm/data.js
@@ -288,7 +288,7 @@ async function exportDataAlarms(ctx, alarmList, groupId) {
          exportData.push(item)
       }
       let ttype = groupId == '1' ? '数据中断' : groupId == '2' ? '数据异常' : groupId == '3' ? '策略命中' : '设备异常';//数据类告警类别
-      const fileName = `数据异常列表_${ttype}_${moment().format('YYYYMMDDHHmmss')}` + '.csv'
+      const fileName = `数据异常列表_${ttype}_${moment().format('YYYYMMDDHHmmss')}` + '.xlsx'
       const filePath = await simpleExcelDown({ data: exportData, header, fileName: fileName })
       const fileData = fs.readFileSync(filePath);
       ctx.status = 200;
diff --git a/api/app/lib/controllers/alarm/video.js b/api/app/lib/controllers/alarm/video.js
index ce69e26..ab2cff1 100644
--- a/api/app/lib/controllers/alarm/video.js
+++ b/api/app/lib/controllers/alarm/video.js
@@ -356,7 +356,7 @@ async function exportVideoAlarms (ctx, alarmList) {
 
          exportData.push(item)
       }
-      const fileName = `视频异常列表_${moment().format('YYYYMMDDHHmmss')}` + '.csv'
+      const fileName = `视频异常列表_${moment().format('YYYYMMDDHHmmss')}` + '.xlsx'
       const filePath = await simpleExcelDown({ data: exportData, header, fileName: fileName })
       const fileData = fs.readFileSync(filePath);
       ctx.status = 200;