diff --git a/Src/Dlhis.Basic/Appointment/Services/Implements/AppointmentService.cs b/Src/Dlhis.Basic/Appointment/Services/Implements/AppointmentService.cs
index 61ca2bbd..ea7b561d 100644
--- a/Src/Dlhis.Basic/Appointment/Services/Implements/AppointmentService.cs
+++ b/Src/Dlhis.Basic/Appointment/Services/Implements/AppointmentService.cs
@@ -354,33 +354,29 @@ public class AppointmentService : IAppointmentService
             .ToListAsync();
 
         var settings = await _factorySettingService.GetListAsync(false);
-        //0001/1/1 0:00:00
-        var nullDateTime = new DateTime(1, 1, 1);
 
         //todo 临时处理循环依赖
         var gainfoService = _serviceProvider.GetService<IGainfoService>();
 
         //人员分组,key为factory
-        foreach (var grp in externals.GroupBy(x => x.Factory))
+        foreach (var exts in externals.GroupBy(x => x.Factory))
         {
             //factory的设置
-            var setting = settings.First(x => x.Factory == grp.Key);
+            var setting = settings.First(x => x.Factory == exts.Key);
             if (setting.NoRecordAutoResignExternalDays == 0)
             {
                 continue;
             }
 
-            foreach (var ext in grp)
+            foreach (var ext in exts)
             {
-                var raiseDateTime = await _dbContext.Queryable<DeviceUploadLogEntity>()
+                DateTime? raiseDateTime = await _dbContext.Queryable<DeviceUploadLogEntity>()
                     .Where(x => x.UserUniqueNo == ext.Code)
                     .GroupBy(x => x.UserUniqueNo)
-                    .Select(x => SqlFunc.IsNull(SqlFunc.AggregateMax(x.RaiseDateTime), ext.CreateTime))
+                    .Select(x => SqlFunc.IsNull(SqlFunc.AggregateMax(x.RaiseDateTime), default(DateTime?)))
                     .SingleAsync();
 
-                raiseDateTime = raiseDateTime == nullDateTime ? ext.CreateTime : raiseDateTime;
-
-                if (raiseDateTime.AddDays(setting.NoRecordAutoResignExternalDays) < DateTime.Now)
+                if (raiseDateTime.HasValue && raiseDateTime.Value.AddDays(setting.NoRecordAutoResignExternalDays) < DateTime.Now)
                 {
                     try
                     {
diff --git a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
index 26b76f4a..93bdb9f9 100644
--- a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
@@ -120,8 +120,6 @@ public class GainfoOutsourceService : IGainfoOutsourceService
             .ToListAsync();
 
         var settings = await _factorySettingService.GetListAsync(false);
-        //0001/1/1 0:00:00
-        var nullDateTime = new DateTime(1, 1, 1);
 
         foreach (var grp in outsources.GroupBy(x => x.Factory))
         {
@@ -133,16 +131,14 @@ public class GainfoOutsourceService : IGainfoOutsourceService
 
             foreach (var outsource in grp)
             {
-                var raiseDateTime = await _dbContext.Queryable<DeviceUploadLogEntity>()
+                DateTime? raiseDateTime = await _dbContext.Queryable<DeviceUploadLogEntity>()
                     .Where(x => x.UserUniqueNo == outsource.Code)
-                    .Where(x => x.TenantId == grp.Key)//本厂区的
+                    .Where(x => x.TenantId == grp.Key) //本厂区的
                     .GroupBy(x => x.UserUniqueNo)
-                    .Select(x => SqlFunc.IsNull(SqlFunc.AggregateMax(x.RaiseDateTime), outsource.CreateTime))
+                    .Select(x => SqlFunc.IsNull(SqlFunc.AggregateMax(x.RaiseDateTime), default(DateTime?)))
                     .SingleAsync();
 
-                raiseDateTime = raiseDateTime == nullDateTime ? outsource.CreateTime : raiseDateTime;
-
-                if (raiseDateTime.AddDays(setting.NoRecordAutoResignOutsourceDays) < DateTime.Now)
+                if (raiseDateTime.HasValue && raiseDateTime.Value.AddDays(setting.NoRecordAutoResignOutsourceDays) < DateTime.Now)
                 {
                     try
                     {