diff --git a/Entity/Api/Req/QueryAlarmReq.cs b/Entity/Api/Req/QueryAlarmReq.cs
index 0e72afa..a568110 100644
--- a/Entity/Api/Req/QueryAlarmReq.cs
+++ b/Entity/Api/Req/QueryAlarmReq.cs
@@ -10,4 +10,7 @@ public class QueryAlarmReq : QueryPageModel
     public string? ErrorLevel { get; set; }
     
     public DateTime? StartTime { get; set; }
+    
+    public DateTime? ProcessTime { get; set; }
+
 }
diff --git a/Service/Station/EquipAlarmRecordService.cs b/Service/Station/EquipAlarmRecordService.cs
index dcc2d93..2023a98 100644
--- a/Service/Station/EquipAlarmRecordService.cs
+++ b/Service/Station/EquipAlarmRecordService.cs
@@ -92,8 +92,8 @@ public class EquipAlarmRecordService : BaseServices<EquipAlarmRecord>
                 .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)
-            .OrderBy(it => it.CreatedTime, OrderByType.Desc)
+            .WhereIF(req.StartTime.HasValue && req.ProcessTime.HasValue,
+                it => it.StartTime >= req.StartTime && it.ProcessTime <= req.ProcessTime)            .OrderBy(it => it.CreatedTime, OrderByType.Desc)
             .ToPageList(req.PageNum, req.PageSize, ref  totalCount);
 
         PageResult<EquipAlarmProcessRecord> result = new PageResult<EquipAlarmProcessRecord>()