diff --git a/src/main/java/org/springblade/modules/business/service/impl/MaintenancePlanServiceImpl.java b/src/main/java/org/springblade/modules/business/service/impl/MaintenancePlanServiceImpl.java
index 5daab6d..5198ceb 100644
--- a/src/main/java/org/springblade/modules/business/service/impl/MaintenancePlanServiceImpl.java
+++ b/src/main/java/org/springblade/modules/business/service/impl/MaintenancePlanServiceImpl.java
@@ -120,6 +120,10 @@ public class MaintenancePlanServiceImpl extends BaseServiceImpl<MaintenancePlanM
                 });
                 deviceAttachService.saveBatch(newSave);
             }
+        } else {
+            deviceAttachService.remove(Wrappers.lambdaQuery(DeviceAttach.class)
+                    .eq(DeviceAttach::getDeviceId, plan.getId())
+                    .eq(DeviceAttach::getStatus, 2));
         }
         return this.updateById(plan);
     }