diff --git a/src/entities/PosMaster.ts b/src/entities/PosMaster.ts
index 2f235edf..a34ce8a1 100644
--- a/src/entities/PosMaster.ts
+++ b/src/entities/PosMaster.ts
@@ -27,10 +27,8 @@ export class PosMaster extends EntityBase {
   @Column({
     nullable: true,
     comment: "เลขที่ตำแหน่ง เป็นตัวเลข",
-    length: 16,
-    default: "string",
   })
-  posMasterNo: string;
+  posMasterNo: number;
 
   @Column({
     nullable: true,
@@ -168,7 +166,7 @@ export class CreatePosMaster {
   posMasterNoPrefix: string;
 
   @Column()
-  posMasterNo: string;
+  posMasterNo: number;
 
   @Column()
   posMasterNoSuffix: string;
@@ -177,19 +175,19 @@ export class CreatePosMaster {
   positions: CreatePosDict[];
 
   @Column("uuid")
-  orgRootId?: string;
+  orgRootId?: string | null;
 
   @Column("uuid")
-  orgChild1Id?: string;
+  orgChild1Id?: string | null;
 
   @Column("uuid")
-  orgChild2Id?: string;
+  orgChild2Id?: string | null;
 
   @Column("uuid")
-  orgChild3Id?: string;
+  orgChild3Id?: string | null;
 
   @Column("uuid")
-  orgChild4Id?: string;
+  orgChild4Id?: string | null;
 }
 
 export type UpdatePosMaster = Partial<PosMaster>;
diff --git a/src/migration/1706697236690-add_table_posMaster3.ts b/src/migration/1706697236690-add_table_posMaster3.ts
new file mode 100644
index 00000000..91a69235
--- /dev/null
+++ b/src/migration/1706697236690-add_table_posMaster3.ts
@@ -0,0 +1,34 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class AddTablePosMaster31706697236690 implements MigrationInterface {
+    name = 'AddTablePosMaster31706697236690'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_0564eef8bec8347d6b782a67537\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_685b7779aa6d8897d5f3c899bf2\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_838fef6a73e9cc70147b8f85bf7\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP COLUMN \`orgChild2\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP COLUMN \`orgChild3OrgChild3Id\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP COLUMN \`orgChild4\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP COLUMN \`posMasterNo\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD \`posMasterNo\` int NULL COMMENT 'เลขที่ตำแหน่ง เป็นตัวเลข'`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_a0a64249023284376a480fc27ef\` FOREIGN KEY (\`orgChild2Id\`) REFERENCES \`orgChild2\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_25526f064b7ea43dd443954646b\` FOREIGN KEY (\`orgChild3Id\`) REFERENCES \`orgChild3\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_5d11d2c4513d606c8db997e5e65\` FOREIGN KEY (\`orgChild4Id\`) REFERENCES \`orgChild4\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_5d11d2c4513d606c8db997e5e65\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_25526f064b7ea43dd443954646b\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP FOREIGN KEY \`FK_a0a64249023284376a480fc27ef\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` DROP COLUMN \`posMasterNo\``);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD \`posMasterNo\` varchar(16) NULL COMMENT 'เลขที่ตำแหน่ง เป็นตัวเลข' DEFAULT 'string'`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD \`orgChild4\` varchar(36) NULL`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD \`orgChild3OrgChild3Id\` varchar(36) NULL`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD \`orgChild2\` varchar(36) NULL`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_838fef6a73e9cc70147b8f85bf7\` FOREIGN KEY (\`orgChild3OrgChild3Id\`) REFERENCES \`orgChild3\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_685b7779aa6d8897d5f3c899bf2\` FOREIGN KEY (\`orgChild2\`) REFERENCES \`orgChild2\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE \`posMaster\` ADD CONSTRAINT \`FK_0564eef8bec8347d6b782a67537\` FOREIGN KEY (\`orgChild4\`) REFERENCES \`orgChild4\`(\`id\`) ON DELETE NO ACTION ON UPDATE NO ACTION`);
+    }
+
+}