diff --git a/src/main/java/com/bonus/digitalSignage/basic/service/impl/TbThreeSpanServiceImpl.java b/src/main/java/com/bonus/digitalSignage/basic/service/impl/TbThreeSpanServiceImpl.java
index 4242fd1..0e05a39 100644
--- a/src/main/java/com/bonus/digitalSignage/basic/service/impl/TbThreeSpanServiceImpl.java
+++ b/src/main/java/com/bonus/digitalSignage/basic/service/impl/TbThreeSpanServiceImpl.java
@@ -88,7 +88,7 @@ public class TbThreeSpanServiceImpl implements TbThreeSpanService {
             tbThreeSpanMapper.addTbThreeSpan(data);
             //获取跨越杆塔信息
             List<TbSpanTowerVo> tbSpanTowerList = data.getTbSpanTowerList();
-            if (tbSpanTowerList.size()>0){
+            if (tbSpanTowerList!=null){
                 tbSpanTowerService.addTbSpanTowerList(data.getId(),tbSpanTowerList);
             }
             return ServerResponse.createBySuccessMsg("三跨管理-新增成功");
@@ -113,7 +113,7 @@ public class TbThreeSpanServiceImpl implements TbThreeSpanService {
             tbThreeSpanMapper.updateTbThreeSpan(data);
             List<TbSpanTowerVo> tbSpanTowerList =data.getTbSpanTowerList();
             //获取跨越杆塔信息
-            if (!tbSpanTowerList.isEmpty()){
+            if (tbSpanTowerList!=null){
                 tbSpanTowerService.updateTbSpanTower(tbSpanTowerList,data.getId());
             }
             return ServerResponse.createBySuccessMsg("三跨管理-修改成功");