diff --git a/src/controllers/DevelopmentController.ts b/src/controllers/DevelopmentController.ts
index 3d0c821..3def58d 100644
--- a/src/controllers/DevelopmentController.ts
+++ b/src/controllers/DevelopmentController.ts
@@ -63,7 +63,7 @@ export class DevelopmentController extends Controller {
         "โครงการ/หลักสูตรการฝึกอบรม: " +
           requestBody.projectName +
           " ปีงบประมาณ: " +
-          requestBody.year +
+          (requestBody.year + 543) +
           " มีอยู่ในระบบแล้ว",
       );
     }
@@ -225,7 +225,7 @@ export class DevelopmentController extends Controller {
         "โครงการ/หลักสูตรการฝึกอบรม: " +
           requestBody.projectName +
           " ปีงบประมาณ: " +
-          requestBody.year +
+          (requestBody.year + 543) +
           " มีอยู่ในระบบแล้ว",
       );
     }
@@ -443,6 +443,15 @@ export class DevelopmentController extends Controller {
     if (!getDevelopment) {
       throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลโครงการ/หลักสูตรการฝึกอบรมนี้");
     }
-    return new HttpSuccess(getDevelopment);
+    let _getDevelopment: any = getDevelopment;
+    _getDevelopment.actualPeoples = getDevelopment.developmentActualPeoples;
+    _getDevelopment.plannedPeoples = getDevelopment.developmentPlannedPeoples;
+    _getDevelopment.actualGoals = getDevelopment.developmentActualGoals;
+    _getDevelopment.plannedGoals = getDevelopment.developmentPlannedGoals;
+    delete _getDevelopment.developmentActualPeoples;
+    delete _getDevelopment.developmentPlannedPeoples;
+    delete _getDevelopment.developmentActualGoals;
+    delete _getDevelopment.developmentPlannedGoals;
+    return new HttpSuccess(_getDevelopment);
   }
 }
diff --git a/src/entities/Development.ts b/src/entities/Development.ts
index a3d5368..ef4a228 100644
--- a/src/entities/Development.ts
+++ b/src/entities/Development.ts
@@ -265,6 +265,22 @@ export class Development extends EntityBase {
   })
   addressAcademic: string;
 
+  @Column({
+    nullable: true,
+    type: "datetime",
+    comment: "วันเริ่มต้นการศึกษาดูงาน",
+    default: null,
+  })
+  dateStudyStart: Date;
+
+  @Column({
+    nullable: true,
+    type: "datetime",
+    comment: "วันสิ้นสุดการศึกษาดูงาน",
+    default: null,
+  })
+  dateStudyEnd: Date;
+
   @Column({
     nullable: true,
     comment: "จังหวัด(ข้อมูลวิชาการ)",
@@ -376,6 +392,10 @@ export class CreateDevelopment {
   @Column()
   provinceActualId: string | null;
   @Column()
+  dateStudyStart: Date | null;
+  @Column()
+  dateStudyEnd: Date | null;
+  @Column()
   actualPeoples: CreateActualPeople[];
   @Column()
   plannedPeoples: CreatePlannedPeople[];
@@ -461,6 +481,10 @@ export class UpdateDevelopment {
   @Column()
   provinceActualId: string | null;
   @Column()
+  dateStudyStart: Date | null;
+  @Column()
+  dateStudyEnd: Date | null;
+  @Column()
   actualPeoples: CreateActualPeople[];
   @Column()
   plannedPeoples: CreatePlannedPeople[];
diff --git a/src/entities/DevelopmentHistory.ts b/src/entities/DevelopmentHistory.ts
index 90418c6..e8a25db 100644
--- a/src/entities/DevelopmentHistory.ts
+++ b/src/entities/DevelopmentHistory.ts
@@ -137,11 +137,11 @@ export class DevelopmentHistory extends EntityBase {
 
   @Column({
     nullable: true,
+    type: "datetime",
     comment: "คำสั่งลงวันที่/หนังสืออนุมัติลงวันที่",
     default: null,
-    length: 255,
   })
-  dateOrder: string;
+  dateOrder: Date;
 }
 export class CreateDevelopmentHistory {
   @Column()
@@ -167,7 +167,7 @@ export class CreateDevelopmentHistory {
   @Column()
   order: string | null;
   @Column()
-  dateOrder: string | null;
+  dateOrder: Date | null;
 }
 
 export class UpdateDevelopmentHistory {
@@ -194,5 +194,5 @@ export class UpdateDevelopmentHistory {
   @Column()
   order: string | null;
   @Column()
-  dateOrder: string | null;
+  dateOrder: Date | null;
 }
diff --git a/src/migration/1712135164363-update_table_development_add_dateStudyStart.ts b/src/migration/1712135164363-update_table_development_add_dateStudyStart.ts
new file mode 100644
index 0000000..87d7c30
--- /dev/null
+++ b/src/migration/1712135164363-update_table_development_add_dateStudyStart.ts
@@ -0,0 +1,16 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class UpdateTableDevelopmentAddDateStudyStart1712135164363 implements MigrationInterface {
+    name = 'UpdateTableDevelopmentAddDateStudyStart1712135164363'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`development\` ADD \`dateStudyStart\` datetime NULL COMMENT 'วันเริ่มต้นการศึกษาดูงาน'`);
+        await queryRunner.query(`ALTER TABLE \`development\` ADD \`dateStudyEnd\` datetime NULL COMMENT 'วันสิ้นสุดการศึกษาดูงาน'`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`development\` DROP COLUMN \`dateStudyEnd\``);
+        await queryRunner.query(`ALTER TABLE \`development\` DROP COLUMN \`dateStudyStart\``);
+    }
+
+}
diff --git a/src/migration/1712135296648-update_table_development_add_dateStudyStart1.ts b/src/migration/1712135296648-update_table_development_add_dateStudyStart1.ts
new file mode 100644
index 0000000..1819ff4
--- /dev/null
+++ b/src/migration/1712135296648-update_table_development_add_dateStudyStart1.ts
@@ -0,0 +1,16 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class UpdateTableDevelopmentAddDateStudyStart11712135296648 implements MigrationInterface {
+    name = 'UpdateTableDevelopmentAddDateStudyStart11712135296648'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`developmentHistory\` DROP COLUMN \`dateOrder\``);
+        await queryRunner.query(`ALTER TABLE \`developmentHistory\` ADD \`dateOrder\` datetime NULL COMMENT 'คำสั่งลงวันที่/หนังสืออนุมัติลงวันที่'`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`developmentHistory\` DROP COLUMN \`dateOrder\``);
+        await queryRunner.query(`ALTER TABLE \`developmentHistory\` ADD \`dateOrder\` varchar(255) NULL COMMENT 'คำสั่งลงวันที่/หนังสืออนุมัติลงวันที่'`);
+    }
+
+}