diff --git a/ruoyi-admin/src/main/resources/mapper/purchase/PurchaseOrderChildMapper.xml b/ruoyi-admin/src/main/resources/mapper/purchase/PurchaseOrderChildMapper.xml
index dbad73a9..7aae3670 100644
--- a/ruoyi-admin/src/main/resources/mapper/purchase/PurchaseOrderChildMapper.xml
+++ b/ruoyi-admin/src/main/resources/mapper/purchase/PurchaseOrderChildMapper.xml
@@ -71,6 +71,12 @@
     </select>
 
 
+    <select id="selectOrderChildListByMaterialNo" parameterType="String" resultMap="PurchaseOrderChildResult">
+        <include refid="selectPurchaseOrderChildVo"/>
+        where material_no = #{materialNo}
+    </select>
+
+
     <insert id="insertPurchaseOrderChild" parameterType="PurchaseOrderChild" useGeneratedKeys="true" keyProperty="purchaseOrderChildId">
         insert into purchase_order_child
         <trim prefix="(" suffix=")" suffixOverrides=",">