diff --git a/src/controllers/PositionController.ts b/src/controllers/PositionController.ts
index 773e7799..2cc1aced 100644
--- a/src/controllers/PositionController.ts
+++ b/src/controllers/PositionController.ts
@@ -701,6 +701,15 @@ export class PositionController extends Controller {
       );
     }
 
+    let fullPosMasterNo = String((requestBody.posMasterNoPrefix).trim() + (requestBody.posMasterNo) + (requestBody.posMasterNoSuffix).trim());
+    if (fullPosMasterNo === String(requestBody.posMasterNo)) {
+      throw new HttpError(
+        HttpStatusCode.INTERNAL_SERVER_ERROR,
+        "ไม่สามารถใส่ข้อมูลซ้ำกันได้",
+      );
+    }
+  
+    
     posMaster.createdUserId = request.user.sub;
     posMaster.createdFullName = request.user.name;
     posMaster.lastUpdateUserId = request.user.sub;
@@ -769,6 +778,7 @@ export class PositionController extends Controller {
     if (!posMaster) {
       throw new HttpError(HttpStatusCode.NOT_FOUND, "ไม่พบข้อมูลอัตรากำลัง");
     }
+    
     posMaster.posMasterNo = requestBody.posMasterNo;
     posMaster.posMasterNoPrefix = requestBody.posMasterNoPrefix;
     posMaster.posMasterNoSuffix = requestBody.posMasterNoSuffix;
@@ -918,7 +928,14 @@ export class PositionController extends Controller {
         );
       }
     }
-
+    
+    let fullPosMasterNo = String((requestBody.posMasterNoPrefix).trim() + (requestBody.posMasterNo) + (requestBody.posMasterNoSuffix).trim());
+    if (fullPosMasterNo === String(requestBody.posMasterNo)) {
+      throw new HttpError(
+        HttpStatusCode.INTERNAL_SERVER_ERROR,
+        "ไม่สามารถเพิ่มข้อมูลชื่อตำแหน่งซ้ำกันได้",
+      );
+    }
     // const chk_SName0 = await this.posMasterRepository.findOne({
     //   where: {
     //     orgRevisionId: posMaster.orgRevisionId,
@@ -1021,7 +1038,7 @@ export class PositionController extends Controller {
         position.positionExecutiveField = x.posDictExecutiveField;
         position.positionArea = x.posDictArea;
         position.isSpecial = x.isSpecial;
-        position.positionIsSelected = false;
+        position.positionIsSelected = x.positionIsSelected;
         position.posMasterId = posMaster.id;
         position.createdUserId = request.user.sub;
         position.createdFullName = request.user.name;
@@ -1167,7 +1184,7 @@ export class PositionController extends Controller {
         orgChild3Id: body.id,
       };
       if (!body.isAll) {
-        checkChildConditions = {
+      checkChildConditions = {
           orgChild4Id: IsNull(),
         };
         searchShortName = `CONCAT(orgChild3.orgChild3ShortName,posMaster.posMasterNoPrefix,posMaster.posMasterNo,posMaster.posMasterNoSuffix) like '%${body.keyword}%'`;
diff --git a/src/entities/PosDict.ts b/src/entities/PosDict.ts
index 9de18e35..5488dd2c 100644
--- a/src/entities/PosDict.ts
+++ b/src/entities/PosDict.ts
@@ -101,6 +101,9 @@ export class CreatePosDict {
 
   @Column()
   isSpecial: boolean;
+  
+  @Column()
+  positionIsSelected?: boolean | null;
 }
 
 export class CreatePosDictExe {