diff --git a/bocloud.ams.service/src/main/java/com/bocloud/ams/service/instance/impl/InstanceServiceImpl.java b/bocloud.ams.service/src/main/java/com/bocloud/ams/service/instance/impl/InstanceServiceImpl.java
index 2f1d9dc..1a9ff82 100644
--- a/bocloud.ams.service/src/main/java/com/bocloud/ams/service/instance/impl/InstanceServiceImpl.java
+++ b/bocloud.ams.service/src/main/java/com/bocloud/ams/service/instance/impl/InstanceServiceImpl.java
@@ -984,6 +984,17 @@ public class InstanceServiceImpl implements InstanceService {
             }
             instanceHistoryHelper.history(instance, InstanceEnum.catalog.INSTANCE.name(),
                     InstanceEnum.category.MODIFY.name(), userId);
+
+            // 修改资源实例重新创建模型实例关联关系
+            List<ModuleRelation> relations = moduleRelationRepository.queryByModuleId(instance.getModuleId());
+            for (ModuleRelation relation : relations) {
+                String relationTable =
+                        CmdbUtils.CMDB_INSTANCE_RELATION + relation.getRelationCategoryCode().toLowerCase();
+                instanceRelationRepository.removeByInstanceId(instance.getId(), instance.getModuleId(), relationTable, userId);
+            }
+            // 触发与已有实例之间绑定关系的任务
+            instanceAutoRelationService.instanceAutoRelation(instance, userId);
+
             // 操作审计
             instanceValues = instanceValueRepository.listByInstanceId(instance.getId(), valueTable);
             instanceValues.forEach(item -> {