diff --git a/src/main/java/com/spring/modules/part/service/impl/MasterPartInformationServiceImpl.java b/src/main/java/com/spring/modules/part/service/impl/MasterPartInformationServiceImpl.java
index 6b03d74d..71547fb7 100644
--- a/src/main/java/com/spring/modules/part/service/impl/MasterPartInformationServiceImpl.java
+++ b/src/main/java/com/spring/modules/part/service/impl/MasterPartInformationServiceImpl.java
@@ -228,7 +228,7 @@ public class MasterPartInformationServiceImpl extends ServiceImpl<MasterPartInfo
         // 公共参数
         String partNo = inData.getPartNo();
         String codeNo = inData.getCodeNo() == null ? "" : inData.getCodeNo();
-        String partMainGroup = inData.getPartMainGroup();
+        String partMainGroup = inData.getPartMainGroup() == null ? "" : inData.getPartMainGroup();
         String functionType = "MP";
         List<Object> params = new ArrayList<>();
         params.add(partNo);
@@ -365,7 +365,7 @@ public class MasterPartInformationServiceImpl extends ServiceImpl<MasterPartInfo
         String partNo = inData.getPartNo();
         String codeNo = inData.getCodeNo() == null ? "" : inData.getCodeNo();
         String functionType = "MP";
-        String partMainGroup = inData.getPartMainGroup();
+        String partMainGroup = inData.getPartMainGroup() == null ? "" : inData.getPartMainGroup();
         List<Object> params = new ArrayList<>();
         params.add(partNo);
         params.add(codeNo);