diff --git a/laws-modules/src/main/java/com/jero/modules/laws/part/service/impl/LawsPartTypeServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/part/service/impl/LawsPartTypeServiceImpl.java
index 054a6515..ff6fd7c3 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/part/service/impl/LawsPartTypeServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/part/service/impl/LawsPartTypeServiceImpl.java
@@ -136,6 +136,7 @@ public class LawsPartTypeServiceImpl extends ServiceImpl<LawsPartTypeMapper, Law
             throw new JeroBootException((Objects.equals(LocaleContextHolder.getLocale(), Locale.ENGLISH) ?
                     "Out of state" : "状态不正确"));
         }
+        lawsPartType.setReplacePartNum(lawsPartTypeOld.getPartRelevanceType());
         lawsPartType.setId(null);
         lawsPartType.setUpdateBy(null);
         lawsPartType.setCreateTime(null);