diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCategoryServiceImpl.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCategoryServiceImpl.java
index 4a73bd12e..acc4e45cc 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCategoryServiceImpl.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCategoryServiceImpl.java
@@ -352,7 +352,9 @@ public class SysCategoryServiceImpl extends ServiceImpl<SysCategoryMapper, SysCa
 				for (int i = 0; i < geOrderNumList.size(); i++) {
 					if (geOrderNumList.size() == 1 || (geOrderNumList.size()==2 && geOrderNumList.get(i + 1).getSortOrder() - geOrderNumList.get(i).getSortOrder() == 1)) {
 						break;
-					} else if (geOrderNumList.get(i + 1).getSortOrder() - geOrderNumList.get(i).getSortOrder() > 1) {
+					} else if(i+1 >= geOrderNumList.size()){
+						break;
+					}else if (geOrderNumList.get(i + 1).getSortOrder() - geOrderNumList.get(i).getSortOrder() > 1) {
 						int deleteStart = geOrderNumList.get(i + 1).getSortOrder();
 						geOrderNumList = geOrderNumList.stream().filter(e -> e.getSortOrder() < deleteStart).collect(Collectors.toList());
 						if(geOrderNumList.size()!=(i+1)) {
@@ -404,6 +406,8 @@ public class SysCategoryServiceImpl extends ServiceImpl<SysCategoryMapper, SysCa
 					for (int i = 0; i < geOrderNumList.size(); i++) {
 						if (geOrderNumList.size() == 1 || (geOrderNumList.size() == 2 && geOrderNumList.get(i + 1).getSortOrder() - geOrderNumList.get(i).getSortOrder() == 1)) {
 							break;
+						}else if(i+1 >= geOrderNumList.size()){
+							break;
 						} else if (geOrderNumList.get(i + 1).getSortOrder() - geOrderNumList.get(i).getSortOrder() > 1) {
 							int deleteStart = geOrderNumList.get(i + 1).getSortOrder();
 							geOrderNumList = geOrderNumList.stream().filter(e -> e.getSortOrder() < deleteStart).collect(Collectors.toList());