diff --git a/src/main/resources/db/changelog/changes/20250304_01_derek/01_supplierTable.sql b/src/main/resources/db/changelog/changes/20250304_01_derek/01_supplierTable.sql
new file mode 100644
index 0000000..d2b360d
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250304_01_derek/01_supplierTable.sql
@@ -0,0 +1,20 @@
+-- liquibase formatted sql
+
+-- changeset derek:supplier
+CREATE TABLE position (
+  id INT NOT NULL AUTO_INCREMENT,
+   version INT NOT NULL DEFAULT '0',
+   created datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   createdBy VARCHAR(30) NULL,
+   modified datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   modifiedBy VARCHAR(30) NULL,
+   deleted TINYINT(1) NOT NULL DEFAULT '0',
+   `code` VARCHAR(50) NULL,
+   `name` VARCHAR(50) NOT NULL,
+   contactNo VARCHAR(50) NOT NULL,
+   contactName VARCHAR(50) NOT NULL,
+   contactEmail VARCHAR(50) NOT NULL,
+   address VARCHAR(50) NOT NULL,
+   district VARCHAR(50) NOT NULL,
+   CONSTRAINT pk_position PRIMARY KEY (id)
+);
diff --git a/src/main/resources/db/changelog/changes/20250304_01_derek/02_materialTable.sql b/src/main/resources/db/changelog/changes/20250304_01_derek/02_materialTable.sql
new file mode 100644
index 0000000..76cd30c
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250304_01_derek/02_materialTable.sql
@@ -0,0 +1,80 @@
+-- liquibase formatted sql
+
+-- changeset derek:material and product
+CREATE TABLE material (
+  id INT NOT NULL AUTO_INCREMENT,
+   version INT NOT NULL DEFAULT '0',
+   created datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   createdBy VARCHAR(30) NULL,
+   modified datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   modifiedBy VARCHAR(30) NULL,
+   deleted TINYINT(1) NOT NULL DEFAULT '0',
+   `code` VARCHAR(50) NULL,
+   `name` VARCHAR(50) NOT NULL,
+   description VARCHAR(100) NOT NULL,
+   typeId INT(11) NOT NULL,
+   weightUnitId INT(11) NOT NULL,
+   uomId INT(11) NOT NULL,
+   shelfLife INT(11) NOT NULL,
+   remarks varchar(500) NULL,
+   countryOfOrigin varchar(50) NULL,
+   minHumid DECIMAL(16,2) NULL,
+   maxHumid DECIMAL(16,2) NULL,
+   minTemp DECIMAL(16,2) NULL,
+   maxTemp DECIMAL(16,2) NULL,
+   sampleRate DECIMAL(16,2) NULL,
+   passingRate DECIMAL(16,2) NULL,
+   netWeight DECIMAL(16,2) NULL,
+   isConsumables TINYINT(1) NOT NULL default 0,
+   CONSTRAINT pk_position PRIMARY KEY (id)
+);
+
+CREATE TABLE product (
+  id INT NOT NULL AUTO_INCREMENT,
+   version INT NOT NULL DEFAULT '0',
+   created datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   createdBy VARCHAR(30) NULL,
+   modified datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
+   modifiedBy VARCHAR(30) NULL,
+   deleted TINYINT(1) NOT NULL DEFAULT '0',
+   `code` VARCHAR(50) NOT NULL,
+   `name` VARCHAR(50) NOT NULL,
+   description VARCHAR(100) NOT NULL,
+   typeId INT(11) NULL,
+   weightUnitId INT(11) NOT NULL,
+   uomId INT(11) NOT NULL,
+   shelfLife INT(11) NOT NULL,
+   remarks varchar(500) NULL,
+   minHumid DECIMAL(16,2) NULL,
+   maxHumid DECIMAL(16,2) NULL,
+   minTemp DECIMAL(16,2) NULL,
+   maxTemp DECIMAL(16,2) NULL,
+   sampleRate DECIMAL(16,2) NULL,
+   passingRate DECIMAL(16,2) NULL,
+   netWeight DECIMAL(16,2) NULL,
+   CONSTRAINT pk_position PRIMARY KEY (id)
+);
+CREATE TABLE weightUnit (
+    id INT NOT NULL AUTO_INCREMENT,
+    weightUnit VARCHAR(30) NOT NULL,
+    conversion DECIMAL(16,2) NOT NULL DEFAULT 1,
+    CONSTRAINT pk_weightUnit PRIMARY KEY (id)
+);
+CREATE TABLE uom (
+    id INT NOT NULL AUTO_INCREMENT,
+    uom VARCHAR(30) NOT NULL,
+    CONSTRAINT pk_uom PRIMARY KEY (id)
+);
+CREATE TABLE type (
+    id INT NOT NULL AUTO_INCREMENT,
+    name VARCHAR(30) NOT NULL,
+    CONSTRAINT pk_uom PRIMARY KEY (id)
+);
+
+INSERT INTO weightUnit (weightUnit, conversion) VALUE ('kg', 10);
+INSERT INTO uom (uom) VALUE ('份');
+INSERT INTO type (name) VALUE ('食物');
+
+ALTER TABLE material ADD CONSTRAINT FK_MATERIAL_ON_WEIGHTUNITID FOREIGN KEY (weightUnitId) REFERENCES weightUnit (id);
+ALTER TABLE material ADD CONSTRAINT FK_MATERIAL_ON_UOMID FOREIGN KEY (uomId) REFERENCES uom (id);
+ALTER TABLE material ADD CONSTRAINT FK_MATERIAL_ON_TYPEID FOREIGN KEY (typeId) REFERENCES type (id);