diff --git a/scripts/init.sql b/scripts/init.sql
index 78ed1adf..2bafd40a 100644
--- a/scripts/init.sql
+++ b/scripts/init.sql
@@ -1532,6 +1532,170 @@ ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
 
 DROP TEMPORARY TABLE tmp_materials;
 
+-- ---------- 多供应商补入：源里用分隔符写了多家，迁移时只留了第一家 ----------
+-- 见设计文档 7.4。32 条，每条 2 家，故每条补 1 行，全在武汉。
+
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A020001'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A020002'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A020003'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A020004'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A020005'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030001'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030002'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030003'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030004'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030005'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_010, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'A030006'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_008, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010019'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_007, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010020'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_007, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010021'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_007, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010022'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_007, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010034'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_008, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B010035'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_029, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020014'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020015'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020017'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020019'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020024'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020031'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020033'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020034'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020037'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020042'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020043'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020044'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020046'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020047'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+INSERT INTO material_suppliers
+  (organization_id, material_id, supplier_id, material_manufacturer_id, is_preferred, status)
+SELECT @org_wh, m.id, @p_wh_017, NULL, FALSE, 'active'
+  FROM materials m WHERE m.organization_id = @org_wh AND m.material_code = 'B020048'
+ON DUPLICATE KEY UPDATE is_preferred = material_suppliers.is_preferred;
+
 -- ---------- 变更日志 → material_logs ----------
 -- 源表没有操作类型，统一记作 update；修改原因进 description。
 -- 不导用户账号，operator_id 留空，operator 存源里的用户名。