diff --git a/sql/dm/物料牌号扩展功能.sql b/sql/dm/物料牌号扩展功能.sql
new file mode 100644
index 00000000..4270f573
--- /dev/null
+++ b/sql/dm/物料牌号扩展功能.sql
@@ -0,0 +1,42 @@
+-- 表：bse_mtrl_grade_ext
+CREATE TABLE IF NOT EXISTS bse_mtrl_grade_ext (
+    id              BIGINT PRIMARY KEY,
+    CMP_CD          VARCHAR(64)    NOT NULL,
+    CMP_NM          VARCHAR(128),
+    MTRL_CD         VARCHAR(128)   NOT NULL,
+    MTRL_NM         VARCHAR(255),
+    ZH_BRAND        VARCHAR(255),
+    EN_BRAND        VARCHAR(255),
+    SPC_MDL         VARCHAR(255),
+    LINE_TP         VARCHAR(64),
+    PKG             VARCHAR(255),
+    company_id      BIGINT,
+    company_name    VARCHAR(128),
+    dept_id         BIGINT,
+    dept_name       VARCHAR(128),
+    post_id         BIGINT,
+    tenant_id       BIGINT DEFAULT 1,
+    creator_name    VARCHAR(64),
+    updater_name    VARCHAR(64),
+    creator         VARCHAR(64),
+    create_time     TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    updater         VARCHAR(64),
+    update_time     TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+    deleted         BIT DEFAULT 0 NOT NULL
+);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_bse_mtrl_grade_ext_mtrl_cd ON bse_mtrl_grade_ext (MTRL_CD);
+CREATE INDEX IF NOT EXISTS idx_bse_mtrl_grade_ext_cmp_cd ON bse_mtrl_grade_ext (CMP_CD);
+
+-- 字段注释（可选）
+COMMENT ON TABLE bse_mtrl_grade_ext IS '物料牌号扩展';
+COMMENT ON COLUMN bse_mtrl_grade_ext.CMP_CD IS '公司编码';
+COMMENT ON COLUMN bse_mtrl_grade_ext.CMP_NM IS '公司名称';
+COMMENT ON COLUMN bse_mtrl_grade_ext.MTRL_CD IS '物料编码';
+COMMENT ON COLUMN bse_mtrl_grade_ext.MTRL_NM IS '物料名称';
+COMMENT ON COLUMN bse_mtrl_grade_ext.ZH_BRAND IS '中文牌号';
+COMMENT ON COLUMN bse_mtrl_grade_ext.EN_BRAND IS '英文牌号';
+COMMENT ON COLUMN bse_mtrl_grade_ext.SPC_MDL IS '规格型号';
+COMMENT ON COLUMN bse_mtrl_grade_ext.LINE_TP IS '线别（material_line_type 字典）';
+COMMENT ON COLUMN bse_mtrl_grade_ext.PKG IS '包装';
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diff --git a/sql/dm/物料牌号扩展线别字典.sql b/sql/dm/物料牌号扩展线别字典.sql
new file mode 100644
index 00000000..8a39cb5a
--- /dev/null
+++ b/sql/dm/物料牌号扩展线别字典.sql
@@ -0,0 +1,10 @@
+-- 字典类型：线别
+INSERT INTO system_dict_type (id, name, type, status, create_time, remark)
+VALUES (202701012001000001, '线别', 'material_line_type', 0, SYSDATE, '物料牌号扩展线别');
+
+-- 字典数据：随机两项示例
+INSERT INTO system_dict_data (id, dict_type, label, value, sort, status, color_type, css_class, create_time)
+VALUES (202701012001000101, 'material_line_type', '单线', 'single', 1, 0, 0, NULL, SYSDATE);
+
+INSERT INTO system_dict_data (id, dict_type, label, value, sort, status, color_type, css_class, create_time)
+VALUES (202701012001000102, 'material_line_type', '双线', 'double', 2, 0, 0, NULL, SYSDATE);
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diff --git a/sql/dm/物料牌号扩展菜单.sql b/sql/dm/物料牌号扩展菜单.sql
new file mode 100644
index 00000000..a5938e38
--- /dev/null
+++ b/sql/dm/物料牌号扩展菜单.sql
@@ -0,0 +1,21 @@
+-- 物料牌号扩展菜单（DM 脚本）
+-- 如父级“物料管理”菜单 ID 不同，请调整 parent_id 默认值 1980093482014994433
+
+-- 清理旧数据，便于重复执行
+DELETE FROM system_menu WHERE id IN (202701012002000000,202701012002000001,202701012002000002,202701012002000003,202701012002000004);
+
+-- 功能菜单
+INSERT INTO system_menu (
+    id, name, permission, type, sort, parent_id,
+    path, icon, component, component_name, status
+) VALUES (
+    202701012002000000, '物料牌号扩展', 'base:material-grade-ext:query', 2, 30, 1980093482014994433,
+    'material-grade-ext', 'fa:list-alt', 'base/materialgradeext/index', 'MaterialGradeExt', 0
+);
+
+-- 按钮权限
+INSERT INTO system_menu (id, name, permission, type, sort, parent_id, path, icon, component, status) VALUES
+    (202701012002000001, '物料牌号扩展查询', 'base:material-grade-ext:query', 3, 1, 202701012002000000, '', '', '', 0),
+    (202701012002000002, '物料牌号扩展新增', 'base:material-grade-ext:create', 3, 2, 202701012002000000, '', '', '', 0),
+    (202701012002000003, '物料牌号扩展修改', 'base:material-grade-ext:update', 3, 3, 202701012002000000, '', '', '', 0),
+    (202701012002000004, '物料牌号扩展删除', 'base:material-grade-ext:delete', 3, 4, 202701012002000000, '', '', '', 0);
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