diff --git a/src/controllers/OrganizationController.ts b/src/controllers/OrganizationController.ts
index 72b590b9..1e087f6d 100644
--- a/src/controllers/OrganizationController.ts
+++ b/src/controllers/OrganizationController.ts
@@ -37,7 +37,7 @@ import { sendToQueueOrg, sendToQueueOrgDraft } from "../services/rabbitmq";
 import { PosType } from "../entities/PosType";
 import { PosLevel } from "../entities/PosLevel";
 import { PermissionOrg } from "../entities/PermissionOrg";
-import { deleteUser } from "../keycloak";
+import { deleteUser, getToken } from "../keycloak";
 import {
   CreatePosMasterHistoryEmployee,
   CreatePosMasterHistoryOfficer,
@@ -8159,35 +8159,47 @@ export class OrganizationController extends Controller {
     //   }),
     // );
 
-    const profileLeave = await this.profileEmployeeRepo.find({
-      where: {
-        isLeave: true,
-        leaveType: "RETIRE",
-      },
-    });
+    const [profileLeave, token] = await Promise.all([
+      this.profileEmployeeRepo.find({
+        where: {
+          isLeave: true,
+          leaveType: "RETIRE",
+        },
+      }),
+      getToken(),
+    ]);
+
+    if (!token)
+      throw new HttpError(HttpStatusCode.INTERNAL_SERVER_ERROR, "ไม่สามารถเชื่อมต่อ Keycloak");
 
     let check: number = 0;
     let notDelete: string[] = [];
-    await Promise.all(
-      profileLeave.map(async (profile) => {
-        profile.leaveReason = "เกษียณอายุราชการ";
-        profile.isActive = false;
 
-        if (profile.keycloak != null && profile.keycloak != "") {
-          const delUserKeycloak = await deleteUser(profile.keycloak);
-          if (delUserKeycloak) {
-            profile.keycloak = "";
-            profile.roleKeycloaks = [];
-            check += 1;
-          } else {
-            // push array not delete
-            notDelete.push(profile.keycloak);
+    // loop batch at 50 profiles
+    const chunkSize = 50;
+    for (let i = 0; i < profileLeave.length; i += chunkSize) {
+      const chunk = profileLeave.slice(i, i + chunkSize);
+      await Promise.all(
+        chunk.map(async (profile) => {
+          profile.leaveReason = "เกษียณอายุราชการ";
+          profile.isActive = false;
+
+          if (profile.keycloak != null && profile.keycloak != "") {
+            const delUserKeycloak = await deleteUser(profile.keycloak, token);
+            if (delUserKeycloak) {
+              profile.keycloak = "";
+              profile.roleKeycloaks = [];
+              check += 1;
+            } else {
+              // push array not delete
+              notDelete.push(profile.keycloak);
+            }
           }
-        }
 
-        await this.profileEmployeeRepo.save(profile);
-      }),
-    );
+          await this.profileEmployeeRepo.save(profile);
+        }),
+      );
+    }
 
     // จำนวนคนที่ถูกแก้ไขเหตุผลการลาออก
     const total = profileLeave.length;
diff --git a/src/keycloak/index.ts b/src/keycloak/index.ts
index fc971898..ec0cd246 100644
--- a/src/keycloak/index.ts
+++ b/src/keycloak/index.ts
@@ -360,11 +360,11 @@ export async function enableStatus(userId: string, status: boolean) {
  *
  * @returns user true if success, false otherwise.
  */
-export async function deleteUser(userId: string) {
+export async function deleteUser(userId: string, token?: string) {
   const res = await fetch(`${KC_URL}/admin/realms/${KC_REALMS}/users/${userId}`, {
     // prettier-ignore
     headers: {
-      "authorization": `Bearer ${await getToken()}`,
+      "authorization": `Bearer ${token || await getToken()}`,
       "content-type": `application/json`,
     },
     method: "DELETE",