diff --git a/laws-modules/src/main/java/com/jero/modules/laws/businessSupport/service/impl/LawsRegulationsQuestionLibraryServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/businessSupport/service/impl/LawsRegulationsQuestionLibraryServiceImpl.java
index 54785399..fc8807ab 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/businessSupport/service/impl/LawsRegulationsQuestionLibraryServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/businessSupport/service/impl/LawsRegulationsQuestionLibraryServiceImpl.java
@@ -167,21 +167,23 @@ public class LawsRegulationsQuestionLibraryServiceImpl extends ServiceImpl<LawsR
                 String regulationId1 = regulationIdList.get(i);
                 String number = regulationNumberList.get(i);
                 LawsDocumentSplit lawsDocumentSplit = documentSplitMapper.selectById(regulationId1);
-                regulationVo.setId(regulationId1);
-                regulationVo.setItemNum(lawsDocumentSplit.getItemNum());
-                regulationVo.setItemTitle(lawsDocumentSplit.getItemTitle());
-                regulationVo.setTitleTranslation(lawsDocumentSplit.getTitleTranslation());
-                regulationVo.setItemContent(lawsDocumentSplit.getItemContent());
-                regulationVo.setTranslation(lawsDocumentSplit.getTranslation());
-                // 找到最后一个空格的位置
-                int lastSpaceIndex = number.lastIndexOf(" ");
-                // 确保空格存在并且位置不在字符串的开始或结束
-                if (lastSpaceIndex != -1 && lastSpaceIndex < number.length() - 1) {
-                    String key = number.substring(0, lastSpaceIndex);
-                    regulationVo.setStandardNumber(key);
-                    regulationVo.setStandardId(standardNumberMap.get(key));
+                if (!Objects.isNull(lawsDocumentSplit)) {
+                    regulationVo.setId(regulationId1);
+                    regulationVo.setItemNum(lawsDocumentSplit.getItemNum());
+                    regulationVo.setItemTitle(lawsDocumentSplit.getItemTitle());
+                    regulationVo.setTitleTranslation(lawsDocumentSplit.getTitleTranslation());
+                    regulationVo.setItemContent(lawsDocumentSplit.getItemContent());
+                    regulationVo.setTranslation(lawsDocumentSplit.getTranslation());
+                    // 找到最后一个空格的位置
+                    int lastSpaceIndex = number.lastIndexOf(" ");
+                    // 确保空格存在并且位置不在字符串的开始或结束
+                    if (lastSpaceIndex != -1 && lastSpaceIndex < number.length() - 1) {
+                        String key = number.substring(0, lastSpaceIndex);
+                        regulationVo.setStandardNumber(key);
+                        regulationVo.setStandardId(standardNumberMap.get(key));
+                    }
+                    regulationList.add(regulationVo);
                 }
-                regulationList.add(regulationVo);
             }
             lawsRegulationsQuestionLibrary.setRegulationList(regulationList);
         }