diff --git a/src/main/java/com/jsh/erp/service/MaterialExtend/MaterialExtendService.java b/src/main/java/com/jsh/erp/service/MaterialExtend/MaterialExtendService.java
index 67d2f143..4863ad97 100644
--- a/src/main/java/com/jsh/erp/service/MaterialExtend/MaterialExtendService.java
+++ b/src/main/java/com/jsh/erp/service/MaterialExtend/MaterialExtendService.java
@@ -296,4 +296,17 @@ public class MaterialExtendService {
         }
         return list;
     }
+
+    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
+    public Long selectIdByMaterialIdAndDefaultFlag(Long materialId, String defaultFlag)throws Exception {
+        Long id = 0L;
+        MaterialExtendExample example = new MaterialExtendExample();
+        example.createCriteria().andMaterialIdEqualTo(materialId).andDefaultFlagEqualTo(defaultFlag)
+                                .andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
+        List<MaterialExtend> list = materialExtendMapper.selectByExample(example);
+        if(list!=null && list.size()>0) {
+            id = list.get(0).getId();
+        }
+        return id;
+    }
 }
diff --git a/src/main/java/com/jsh/erp/service/material/MaterialService.java b/src/main/java/com/jsh/erp/service/material/MaterialService.java
index fb4fd4d4..47dc7fff 100644
--- a/src/main/java/com/jsh/erp/service/material/MaterialService.java
+++ b/src/main/java/com/jsh/erp/service/material/MaterialService.java
@@ -493,7 +493,13 @@ public class MaterialService {
                     basicMaterialExtend.setUpdateTime(System.currentTimeMillis());
                     basicMaterialExtend.setCreateSerial(user.getLoginName());
                     basicMaterialExtend.setUpdateSerial(user.getLoginName());
-                    materialExtendMapper.insertSelective(basicMaterialExtend);
+                    Long meId = materialExtendService.selectIdByMaterialIdAndDefaultFlag(mId, "1");
+                    if(meId==0L){
+                        materialExtendMapper.insertSelective(basicMaterialExtend);
+                    } else {
+                        basicMaterialExtend.setId(meId);
+                        materialExtendMapper.updateByPrimaryKeySelective(basicMaterialExtend);
+                    }
                 }
                 if(StringUtil.isExist(materialExObj.get("other"))) {
                     String otherStr = materialExObj.getString("other");
@@ -504,7 +510,13 @@ public class MaterialService {
                     otherMaterialExtend.setUpdateTime(System.currentTimeMillis());
                     otherMaterialExtend.setCreateSerial(user.getLoginName());
                     otherMaterialExtend.setUpdateSerial(user.getLoginName());
-                    materialExtendMapper.insertSelective(otherMaterialExtend);
+                    Long meId = materialExtendService.selectIdByMaterialIdAndDefaultFlag(mId, "0");
+                    if(meId==0L){
+                        materialExtendMapper.insertSelective(otherMaterialExtend);
+                    } else {
+                        otherMaterialExtend.setId(meId);
+                        materialExtendMapper.updateByPrimaryKeySelective(otherMaterialExtend);
+                    }
                 }
                 //给商品初始化库存
                 Map<Long, BigDecimal> stockMap = m.getStockMap();