diff --git a/Service/Station/EquipAlarmRecordService.cs b/Service/Station/EquipAlarmRecordService.cs
index 2023a98..524435a 100644
--- a/Service/Station/EquipAlarmRecordService.cs
+++ b/Service/Station/EquipAlarmRecordService.cs
@@ -37,7 +37,8 @@ public class EquipAlarmRecordService : BaseServices<EquipAlarmRecord>
         List<EquipAlarmRecord> list = BaseDal.Queryable().WhereIF(reqTypeCode != -1, it => it.EquipTypeCode == reqTypeCode)
             .WhereIF(ObjUtils.IsNotNullOrWhiteSpace(equipCode), it => it.EquipCode == equipCode)
             .WhereIF(ObjUtils.IsNotNullOrWhiteSpace(errorLevel), it => it.ErrorLevel == errorLevel)
-            .WhereIF(req.StartTime.HasValue, it => it.StartTime == req.StartTime)
+            .WhereIF(req.StartTime.HasValue && req.ProcessTime.HasValue,
+                it => it.StartTime >= req.StartTime && it.StartTime <= req.ProcessTime)
             .OrderBy(it => it.CreatedTime, OrderByType.Desc)
             .ToPageList(req.PageNum, req.PageSize, ref  totalCount);