diff --git a/src/controllers/KpiSpecialController.ts b/src/controllers/KpiSpecialController.ts
index 6bb2e6f..0eac036 100644
--- a/src/controllers/KpiSpecialController.ts
+++ b/src/controllers/KpiSpecialController.ts
@@ -102,7 +102,7 @@ export class kpiSpecialController extends Controller {
     }
     kpiSpecial.lastUpdateUserId = request.user.sub;
     kpiSpecial.lastUpdateFullName = request.user.name;
-    this.kpiSpecialRepository.merge(kpiSpecial, requestBody);
+    Object.assign(kpiSpecial, requestBody);
     await this.kpiSpecialRepository.save(kpiSpecial);
     return new HttpSuccess(id);
   }
diff --git a/src/controllers/KpiUserPlannedController.ts b/src/controllers/KpiUserPlannedController.ts
index 504e426..e589885 100644
--- a/src/controllers/KpiUserPlannedController.ts
+++ b/src/controllers/KpiUserPlannedController.ts
@@ -148,7 +148,7 @@ export class KpiUserPlannedController extends Controller {
     // kpiUserPlanned.achievement4 = request.user.achievement4;
     // kpiUserPlanned.achievement5 = request.user.achievement5;
 
-    this.kpiUserPlannedRepository.merge(kpiUserPlanned, requestBody);
+    Object.assign(kpiUserPlanned, requestBody);
     kpiUserPlanned.startDate = requestBody.startDate == undefined ? null : requestBody.startDate;
     kpiUserPlanned.endDate = requestBody.endDate == undefined ? null : requestBody.endDate;
     await this.kpiUserPlannedRepository.save(kpiUserPlanned);
diff --git a/src/controllers/KpiUserRoleController.ts b/src/controllers/KpiUserRoleController.ts
index afaa7a2..bd5d481 100644
--- a/src/controllers/KpiUserRoleController.ts
+++ b/src/controllers/KpiUserRoleController.ts
@@ -150,7 +150,7 @@ export class KpiUserRoleController extends Controller {
 
     kpiUserRole.lastUpdateUserId = request.user.sub;
     kpiUserRole.lastUpdateFullName = request.user.name;
-    this.kpiUserRoleRepository.merge(kpiUserRole, requestBody);
+    Object.assign(kpiUserRole, requestBody);
     kpiUserRole.startDate = requestBody.startDate == undefined ? null : requestBody.startDate;
     kpiUserRole.endDate = requestBody.endDate == undefined ? null : requestBody.endDate;
     await this.kpiUserRoleRepository.save(kpiUserRole);
diff --git a/src/entities/kpiSpecial.ts b/src/entities/kpiSpecial.ts
index 535848b..841baa4 100644
--- a/src/entities/kpiSpecial.ts
+++ b/src/entities/kpiSpecial.ts
@@ -166,7 +166,7 @@ export class CreateKpiSpecial {
   @Column()
   target: string;
   @Column()
-  unit: string;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
@@ -199,7 +199,7 @@ export class UpdateKpiSpecial {
   @Column()
   target: string;
   @Column()
-  unit: string;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
diff --git a/src/entities/kpiUserPlanned.ts b/src/entities/kpiUserPlanned.ts
index 0c3c2ea..878a860 100644
--- a/src/entities/kpiUserPlanned.ts
+++ b/src/entities/kpiUserPlanned.ts
@@ -18,7 +18,7 @@ export class KpiUserPlanned extends EntityBase {
     comment: "หน่วยนับ",
     default: null,
   })
-  unit: number;
+  unit: string;
 
   @Column({
     nullable: true,
@@ -149,7 +149,7 @@ export class CreateKpiUserPlanned {
   @Column()
   target: string;
   @Column()
-  unit: number;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
@@ -182,7 +182,7 @@ export class UpdateKpiUserPlanned {
   @Column()
   target: string;
   @Column()
-  unit: number;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
diff --git a/src/entities/kpiUserRole.ts b/src/entities/kpiUserRole.ts
index 08e32b2..da899d1 100644
--- a/src/entities/kpiUserRole.ts
+++ b/src/entities/kpiUserRole.ts
@@ -19,7 +19,7 @@ export class KpiUserRole extends EntityBase {
     comment: "หน่วยนับ",
     default: null,
   })
-  unit: number;
+  unit: string;
 
   @Column({
     nullable: true,
@@ -150,7 +150,7 @@ export class CreateKpiUserRole {
   @Column()
   target: string;
   @Column()
-  unit: number;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
@@ -183,7 +183,7 @@ export class UpdateKpiUserRole {
   @Column()
   target: string;
   @Column()
-  unit: number;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
diff --git a/src/entities/kpiUserSpecial.ts b/src/entities/kpiUserSpecial.ts
index cce0811..78cd13e 100644
--- a/src/entities/kpiUserSpecial.ts
+++ b/src/entities/kpiUserSpecial.ts
@@ -185,7 +185,7 @@ export class CreateKpiUserSpecial {
   @Column()
   target: string;
   @Column()
-  unit: string;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
@@ -224,7 +224,7 @@ export class UpdateKpiUserSpecial {
   @Column()
   target: string;
   @Column()
-  unit: string;
+  unit: string | null;
   @Column()
   weight: number;
   @Column()
diff --git a/src/migration/1715244414852-update_table_kpiSpecial_unit_to_string.ts b/src/migration/1715244414852-update_table_kpiSpecial_unit_to_string.ts
new file mode 100644
index 0000000..e8fd120
--- /dev/null
+++ b/src/migration/1715244414852-update_table_kpiSpecial_unit_to_string.ts
@@ -0,0 +1,20 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class UpdateTableKpiSpecialUnitToString1715244414852 implements MigrationInterface {
+    name = 'UpdateTableKpiSpecialUnitToString1715244414852'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`kpiUserPlanned\` DROP COLUMN \`unit\``);
+        await queryRunner.query(`ALTER TABLE \`kpiUserPlanned\` ADD \`unit\` varchar(255) NULL COMMENT 'หน่วยนับ'`);
+        await queryRunner.query(`ALTER TABLE \`kpiUserRole\` DROP COLUMN \`unit\``);
+        await queryRunner.query(`ALTER TABLE \`kpiUserRole\` ADD \`unit\` varchar(255) NULL COMMENT 'หน่วยนับ'`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`kpiUserRole\` DROP COLUMN \`unit\``);
+        await queryRunner.query(`ALTER TABLE \`kpiUserRole\` ADD \`unit\` int NULL COMMENT 'หน่วยนับ'`);
+        await queryRunner.query(`ALTER TABLE \`kpiUserPlanned\` DROP COLUMN \`unit\``);
+        await queryRunner.query(`ALTER TABLE \`kpiUserPlanned\` ADD \`unit\` int NULL COMMENT 'หน่วยนับ'`);
+    }
+
+}