diff --git a/op-modules/op-quality/src/main/resources/mapper/quality/QcMaterialGroupMapper.xml b/op-modules/op-quality/src/main/resources/mapper/quality/QcMaterialGroupMapper.xml
index 5cc35d50..a14c64d6 100644
--- a/op-modules/op-quality/src/main/resources/mapper/quality/QcMaterialGroupMapper.xml
+++ b/op-modules/op-quality/src/main/resources/mapper/quality/QcMaterialGroupMapper.xml
@@ -43,7 +43,7 @@
             product_group groupCode,
             concat(product_group_name,'(',product_group,')') groupName
         FROM base_product
-        WHERE del_flag = '0'
+        WHERE del_flag = '0' AND product_group_name IS NOT NULL
     </select>
 
     <select id="getMaterialChildrenList" parameterType="QcMaterialGroup" resultMap="QcMaterialGroupResult">