解决添加公路路段去重，防止前端提交了重复的数据

tuoheng-service/tuoheng-admin/src/main/java/com/tuoheng/admin/service/dept/update/UpdateDeptService.java

@@ -201,6 +201,8 @@ public class UpdateDeptService {
         // 差集：新增公路
         Collection<String> addRoadIdList = org.apache.commons.collections4.CollectionUtils.subtract(newRoadIdList, oldRoadIdList);
         if (!CollectionUtils.isEmpty(addRoadIdList)) {
+            // 去重，防止前端提交了重复的数据
+            addRoadIdList= addRoadIdList.stream().distinct().collect(Collectors.toList());
             this.addRoadToDept(tenantId, newEditDeptRequest.getId(), addRoadIdList);
         }
 
@@ -301,6 +303,8 @@ public class UpdateDeptService {
         Collection<String> addSectionIdList = org.apache.commons.collections4.CollectionUtils.subtract(newSectionIdList, oldSectionIdList);
 
         if (!CollectionUtils.isEmpty(addSectionIdList)) {
+            // 去重，防止前端提交了重复的数据
+            addSectionIdList= addSectionIdList.stream().distinct().collect(Collectors.toList());
             // 添加路段和部门数据
             this.addSectionToDept(tenantId, newEditDeptRequest.getId(), addSectionIdList);
         }