diff --git a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
index c3c39bd8a..2a5b0ced8 100644
--- a/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
+++ b/jero-boot/jero-boot-modules/src/main/java/com/jero/modules/compare/service/impl/SarFileCompareItemCommentServiceImpl.java
@@ -393,7 +393,9 @@ public class SarFileCompareItemCommentServiceImpl extends ServiceImpl<SarFileCom
                         cell.setCellStyle(cellStyle);
                     }
                 }
-                i = i + leftSplit.length;
+                int left_length = ObjectUtils.isEmpty(leftSplit) ? 0 : leftSplit.length;
+                int right_length = ObjectUtils.isEmpty(rightSplit) ? 0 : rightSplit.length;
+                i = left_length > right_length ? i + left_length : i + right_length;
             }
             if (includeComments || StringUtils.isEmpty(selectIds)) {
                 Row row = sheet.createRow(i);