diff --git a/jshERP-boot/src/main/java/com/jsh/erp/datasource/mappers/MaterialExtendMapperEx.java b/jshERP-boot/src/main/java/com/jsh/erp/datasource/mappers/MaterialExtendMapperEx.java
index 9eb1db01..b2bce012 100644
--- a/jshERP-boot/src/main/java/com/jsh/erp/datasource/mappers/MaterialExtendMapperEx.java
+++ b/jshERP-boot/src/main/java/com/jsh/erp/datasource/mappers/MaterialExtendMapperEx.java
@@ -22,4 +22,6 @@ public interface MaterialExtendMapperEx {
     List<MaterialExtend> getListByMId(@Param("ids") Long ids[]);
 
     int batchDeleteMaterialExtendByMIds(@Param("ids") String ids[]);
+
+    int specialUpdatePrice(MaterialExtend record);
 }
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diff --git a/jshERP-boot/src/main/java/com/jsh/erp/service/materialExtend/MaterialExtendService.java b/jshERP-boot/src/main/java/com/jsh/erp/service/materialExtend/MaterialExtendService.java
index 2082afd3..a09907f5 100644
--- a/jshERP-boot/src/main/java/com/jsh/erp/service/materialExtend/MaterialExtendService.java
+++ b/jshERP-boot/src/main/java/com/jsh/erp/service/materialExtend/MaterialExtendService.java
@@ -183,6 +183,8 @@ public class MaterialExtendService {
                     materialExtend.setLowDecimal(tempUpdatedJson.getBigDecimal("lowDecimal"));
                 }
                 this.updateMaterialExtend(materialExtend);
+                //如果金额为空，此处单独置空
+                materialExtendMapperEx.specialUpdatePrice(materialExtend);
             }
         }
         //处理条码的排序，基本单位排第一个
@@ -238,13 +240,13 @@ public class MaterialExtendService {
     }
 
     @Transactional(value = "transactionManager", rollbackFor = Exception.class)
-    public int updateMaterialExtend(MaterialExtend MaterialExtend) throws Exception{
+    public int updateMaterialExtend(MaterialExtend materialExtend) throws Exception{
         User user = userService.getCurrentUser();
-        MaterialExtend.setUpdateTime(System.currentTimeMillis());
-        MaterialExtend.setUpdateSerial(user.getLoginName());
+        materialExtend.setUpdateTime(System.currentTimeMillis());
+        materialExtend.setUpdateSerial(user.getLoginName());
         int res =0;
         try{
-            res= materialExtendMapper.updateByPrimaryKeySelective(MaterialExtend);
+            res= materialExtendMapper.updateByPrimaryKeySelective(materialExtend);
         }catch(Exception e){
             JshException.writeFail(logger, e);
         }
diff --git a/jshERP-boot/src/main/resources/mapper_xml/MaterialExtendMapperEx.xml b/jshERP-boot/src/main/resources/mapper_xml/MaterialExtendMapperEx.xml
index 60d623df..473a23d1 100644
--- a/jshERP-boot/src/main/resources/mapper_xml/MaterialExtendMapperEx.xml
+++ b/jshERP-boot/src/main/resources/mapper_xml/MaterialExtendMapperEx.xml
@@ -65,4 +65,14 @@
         </foreach>
         )
     </update>
+
+    <update id="specialUpdatePrice" parameterType="com.jsh.erp.datasource.entities.MaterialExtend">
+        update jsh_material_extend
+        set purchase_decimal = #{purchaseDecimal,jdbcType=DECIMAL},
+            commodity_decimal = #{commodityDecimal,jdbcType=DECIMAL},
+            wholesale_decimal = #{wholesaleDecimal,jdbcType=DECIMAL},
+            low_decimal = #{lowDecimal,jdbcType=DECIMAL}
+        where id = #{id,jdbcType=BIGINT}
+        and ifnull(delete_flag,'0') !='1'
+    </update>
 </mapper>
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