diff --git a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
index a5eba6ef..67cd882b 100644
--- a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
+++ b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
@@ -219,7 +219,7 @@ public class DevicePermissionService : IDevicePermissionService
         var waitAddTasks = new ConcurrentBag<DeviceTaskEntity>();
         var waitDeleteTasks = new ConcurrentBag<DeviceTaskEntity>();
 
-        Parallel.ForEach(userNos, new ParallelOptions { MaxDegreeOfParallelism = 100 }, userNo =>
+        Parallel.ForEach(userNos, userNo =>
         {
             before.TryGetValue(userNo, out var beforeTenantDeviceCodes);
             beforeTenantDeviceCodes ??= new List<UserTenantDeviceCodeDto>();
@@ -622,11 +622,7 @@ public class DevicePermissionService : IDevicePermissionService
         var departments = await _dbContext.Queryable<DepartmentEntity>().ToListAsync();
 
         var result = new ConcurrentDictionary<string, List<UserTenantDeviceCodeDto>>();
-        var parallelOptions = new ParallelOptions
-        {
-            MaxDegreeOfParallelism = 100,
-        };
-        Parallel.ForEach(gainfos, parallelOptions, gainfo =>
+        Parallel.ForEach(gainfos, gainfo =>
         {
             var gainfoDto = new GainfoDto
             {