diff --git a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
index 38dd2a63..2a4e0125 100644
--- a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
+++ b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
@@ -212,7 +212,7 @@ public class DevicePermissionService : IDevicePermissionService
         var devices = await _dbContext.Queryable<DeviceEntity>().Where(x => x.Enable).ToListAsync();
         var waitTasks = new List<DeviceTaskEntity>();
 
-        foreach (var userNo in userNos)
+        Parallel.ForEach(userNos, userNo =>
         {
             before.TryGetValue(userNo, out var beforeTenantDeviceCodes);
             beforeTenantDeviceCodes ??= new();
@@ -270,7 +270,7 @@ public class DevicePermissionService : IDevicePermissionService
 
                 waitTasks.AddRange(toDeleted.Concat(toAdd).ToList());
             }
-        }
+        });
 
         _logger.LogInformation("任务产生数量{count}", waitTasks.Count);
         if (waitTasks.Any())