diff --git a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
index 882a39a7..843ac64f 100644
--- a/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
+++ b/Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs
@@ -53,6 +53,16 @@ public class DevicePermissionService : IDevicePermissionService
         var device = await _dbContext.Queryable<DeviceEntity>().Where(x => x.Code == request.UniqueValue).SingleAsync();
         device.ThrowIfNull("设备不存在");
 
+        var deviceGroupCodes = await _dbContext.Queryable<DeviceGroupRelationshipEntity>().Where(x => x.DeviceCode == device.Code).Select(x => x.GroupCode).ToListAsync();
+
+        var existsTenantAssigned = await _dbContext.Queryable<DevicePermissionEntity>()
+            .Where(x => (x.UniqueType == DeviceAssignmentTypeEnumType.Device && x.UniqueValue == request.UniqueValue)
+                        || (x.UniqueType == DeviceAssignmentTypeEnumType.Group && deviceGroupCodes.Contains(x.UniqueValue)))
+            .Where(x => x.AssignType == AssignTypeEnumType.Tenant)
+            .AnyAsync();
+        existsTenantAssigned.ThrowIfTrue("当前设备或者所在分组已分配到厂区,无法操作");
+
+
         //当前匹配的基地权限
         var dps = await _dbContext.Queryable<DevicePermissionEntity>()
             .Where(x => x.UniqueType == DeviceAssignmentTypeEnumType.Device)