diff --git a/app/admin/service/dto/mm_alarm_log.go b/app/admin/service/dto/mm_alarm_log.go
index b6c88eb..ceb047a 100644
--- a/app/admin/service/dto/mm_alarm_log.go
+++ b/app/admin/service/dto/mm_alarm_log.go
@@ -4,12 +4,15 @@ import (
 	"go-admin/app/admin/models"
 	"go-admin/common/dto"
 	common "go-admin/common/models"
+	"time"
 )
 
 type MmAlarmLogGetPageReq struct {
 	dto.Pagination `search:"-"`
-	MachineId      string `form:"machineId"  search:"type:exact;column:machine_id;table:mm_alarm_log" comment:"设备id"`
-	BiosId         string `form:"biosId"  search:"type:exact;column:bios_id;table:mm_alarm_log" comment:"设备码"`
+	MachineId      string    `form:"machineId"  search:"type:exact;column:machine_id;table:mm_alarm_log" comment:"设备id"`
+	BiosId         string    `form:"biosId"  search:"type:exact;column:bios_id;table:mm_alarm_log" comment:"设备码"`
+	StartTime      time.Time `form:"startTime" search:"-"  comment:"开始时间"`
+	EndTime        time.Time `form:"endTime" search:"-"   comment:"结束时间"`
 	MmAlarmLogOrder
 }
 
@@ -95,4 +98,5 @@ type MmAlarmLogExportResp struct {
 	MachineId string `json:"machineId" comment:"设备id" excel:"设备id"`
 	BiosId    string `json:"biosId" comment:"设备码" excel:"设备码"`
 	Content   string `json:"content" comment:"内容" excel:"内容"`
+	CreatedAt string `json:"createdAt" comment:"创建时间" excel:"时间"`
 }
diff --git a/app/admin/service/mm_alarm_log.go b/app/admin/service/mm_alarm_log.go
index dbfd207..9025973 100644
--- a/app/admin/service/mm_alarm_log.go
+++ b/app/admin/service/mm_alarm_log.go
@@ -28,9 +28,17 @@ func (e MmAlarmLog) Export(req *dto.MmAlarmLogGetPageReq, c *gin.Context) error
 		query = query.Where("machine_id = ?", req.MachineId)
 	}
 
+	if !req.StartTime.IsZero() {
+		query = query.Where("created_at >= ?", req.StartTime)
+	}
+
+	if !req.EndTime.IsZero() {
+		query = query.Where("created_at < ?", req.EndTime.AddDate(0, 0, 1))
+	}
+
 	err := query.
-		Select("machine_id, bios_id, content").
-		Distinct().
+		Select("machine_id, bios_id, content,created_at").
+		Order("id desc").
 		Find(&datas).
 		Error
 
@@ -44,6 +52,7 @@ func (e MmAlarmLog) Export(req *dto.MmAlarmLogGetPageReq, c *gin.Context) error
 			MachineId: data.MachineId,
 			BiosId:    data.BiosId,
 			Content:   data.Content,
+			CreatedAt: data.CreatedAt.Format("2006-01-02 15:04:05"),
 		})
 	}
 
@@ -64,12 +73,22 @@ func (e *MmAlarmLog) GetPage(c *dto.MmAlarmLogGetPageReq, p *actions.DataPermiss
 	var err error
 	var data models.MmAlarmLog
 
-	err = e.Orm.Model(&data).
+	query := e.Orm.Model(&data).
 		Scopes(
 			cDto.MakeCondition(c.GetNeedSearch()),
 			cDto.Paginate(c.GetPageSize(), c.GetPageIndex()),
 			actions.Permission(data.TableName(), p),
-		).
+		)
+
+	if !c.StartTime.IsZero() {
+		query = query.Where("created_at >= ?", c.StartTime)
+	}
+
+	if !c.EndTime.IsZero() {
+		query = query.Where("created_at < ?", c.EndTime.AddDate(0, 0, 1))
+	}
+
+	err = query.
 		Find(list).Limit(-1).Offset(-1).
 		Count(count).Error
 	if err != nil {