diff --git a/scripts/init.sql b/scripts/init.sql
index 6e451d96..78ed1adf 100644
--- a/scripts/init.sql
+++ b/scripts/init.sql
@@ -27,9 +27,9 @@ CREATE TABLE business_partners (id BIGINT AUTO_INCREMENT PRIMARY KEY, legal_name
 CREATE TABLE organization_partners (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, business_partner_id BIGINT NOT NULL, partner_code VARCHAR(50) NOT NULL, is_supplier BOOLEAN NOT NULL DEFAULT FALSE, is_manufacturer BOOLEAN NOT NULL DEFAULT FALSE, is_customer BOOLEAN NOT NULL DEFAULT FALSE, supplier_status VARCHAR(20), supplier_categories SET('material','finished_product') NOT NULL DEFAULT '', customer_status VARCHAR(20), customer_categories SET('material','finished_product') NOT NULL DEFAULT '', settlement_currency CHAR(3), payment_terms VARCHAR(200), created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_organization_partners_org_partner(organization_id,business_partner_id), UNIQUE KEY uk_organization_partners_org_code(organization_id,partner_code), FOREIGN KEY(organization_id) REFERENCES organizations(id), FOREIGN KEY(business_partner_id) REFERENCES business_partners(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 -- 物料与制造商关系表：某物料有哪些可用制造商，以及各自的厂家型号
 -- 本表 manufacturer_id 引用 organization_partners，故建在其后。
-CREATE TABLE material_manufacturers (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, material_id BIGINT NOT NULL, manufacturer_id BIGINT NOT NULL COMMENT 'organization_partners ID', model VARCHAR(200) NULL COMMENT '厂家型号', status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_material_manufacturers_dim(organization_id,material_id,manufacturer_id), FOREIGN KEY(material_id) REFERENCES materials(id), FOREIGN KEY(manufacturer_id) REFERENCES organization_partners(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE TABLE material_manufacturers (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, material_id BIGINT NOT NULL, manufacturer_id BIGINT NOT NULL COMMENT 'organization_partners ID', model VARCHAR(200) NULL COMMENT '厂家型号', status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_material_manufacturers_dim(organization_id,material_id,manufacturer_id), FOREIGN KEY(organization_id) REFERENCES organizations(id), FOREIGN KEY(material_id) REFERENCES materials(id), FOREIGN KEY(manufacturer_id) REFERENCES organization_partners(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 -- 物料与供应商关系表：每条记录一个货源（某供应商供某物料、供的是哪个制造商条目）及其采购条件
-CREATE TABLE material_suppliers (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, material_id BIGINT NOT NULL, supplier_id BIGINT NULL COMMENT 'organization_partners ID', material_manufacturer_id BIGINT NULL COMMENT 'material_manufacturers ID', price DECIMAL(20,6) NULL, currency CHAR(3) NULL, minimum_order_quantity DECIMAL(20,6) NOT NULL DEFAULT 0, lead_time_days INT NOT NULL DEFAULT 0, is_preferred BOOLEAN NOT NULL DEFAULT FALSE, status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, supplier_key BIGINT GENERATED ALWAYS AS (COALESCE(supplier_id, 0)) VIRTUAL, manufacturer_entry_key BIGINT GENERATED ALWAYS AS (COALESCE(material_manufacturer_id, 0)) VIRTUAL, preferred_row BIGINT GENERATED ALWAYS AS (CASE WHEN is_preferred AND status = 'active' THEN 1 ELSE NULL END) VIRTUAL, UNIQUE KEY uk_material_suppliers_dim(organization_id,material_id,supplier_key,manufacturer_entry_key), UNIQUE KEY uk_material_suppliers_preferred(organization_id,material_id,preferred_row), CONSTRAINT chk_material_suppliers_dimension CHECK (supplier_id IS NOT NULL OR material_manufacturer_id IS NOT NULL), KEY idx_material_suppliers_supplier(organization_id,supplier_key), KEY idx_material_suppliers_manufacturer(organization_id,manufacturer_entry_key), FOREIGN KEY(material_id) REFERENCES materials(id), FOREIGN KEY(supplier_id) REFERENCES organization_partners(id), FOREIGN KEY(material_manufacturer_id) REFERENCES material_manufacturers(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE TABLE material_suppliers (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, material_id BIGINT NOT NULL, supplier_id BIGINT NULL COMMENT 'organization_partners ID', material_manufacturer_id BIGINT NULL COMMENT 'material_manufacturers ID', price DECIMAL(20,6) NULL, currency CHAR(3) NULL, minimum_order_quantity DECIMAL(20,6) NOT NULL DEFAULT 0, lead_time_days INT NOT NULL DEFAULT 0, is_preferred BOOLEAN NOT NULL DEFAULT FALSE, status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, supplier_key BIGINT GENERATED ALWAYS AS (COALESCE(supplier_id, 0)) VIRTUAL, manufacturer_entry_key BIGINT GENERATED ALWAYS AS (COALESCE(material_manufacturer_id, 0)) VIRTUAL, preferred_row BIGINT GENERATED ALWAYS AS (CASE WHEN is_preferred AND status = 'active' THEN 1 ELSE NULL END) VIRTUAL, UNIQUE KEY uk_material_suppliers_dim(organization_id,material_id,supplier_key,manufacturer_entry_key), UNIQUE KEY uk_material_suppliers_preferred(organization_id,material_id,preferred_row), CONSTRAINT chk_material_suppliers_dimension CHECK (supplier_id IS NOT NULL OR material_manufacturer_id IS NOT NULL), KEY idx_material_suppliers_supplier(organization_id,supplier_key), KEY idx_material_suppliers_manufacturer(organization_id,manufacturer_entry_key), FOREIGN KEY(organization_id) REFERENCES organizations(id), FOREIGN KEY(material_id) REFERENCES materials(id), FOREIGN KEY(supplier_id) REFERENCES organization_partners(id), FOREIGN KEY(material_manufacturer_id) REFERENCES material_manufacturers(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 CREATE TABLE warehouses (id BIGINT AUTO_INCREMENT PRIMARY KEY, organization_id BIGINT NOT NULL, code VARCHAR(50) NOT NULL, name VARCHAR(150) NOT NULL, status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_warehouses_org_code(organization_id,code), UNIQUE KEY uk_warehouses_organization(organization_id), FOREIGN KEY(organization_id) REFERENCES organizations(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 CREATE TABLE warehouse_locations (id BIGINT AUTO_INCREMENT PRIMARY KEY, warehouse_id BIGINT NOT NULL, code VARCHAR(50) NOT NULL, name VARCHAR(150) NOT NULL, status VARCHAR(20) NOT NULL DEFAULT 'active', created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, UNIQUE KEY uk_warehouse_locations_warehouse_code(warehouse_id,code), UNIQUE KEY uk_warehouse_locations_warehouse(warehouse_id), FOREIGN KEY(warehouse_id) REFERENCES warehouses(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 CREATE TABLE user_warehouses (user_id BIGINT NOT NULL, warehouse_id BIGINT NOT NULL, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY(user_id,warehouse_id), FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE, FOREIGN KEY(warehouse_id) REFERENCES warehouses(id)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;