diff --git a/exthernal-login-api/src/middlewares/verifyEmailHandler.js b/exthernal-login-api/src/middlewares/verifyEmailHandler.js
index caa253f..2e6b681 100644
--- a/exthernal-login-api/src/middlewares/verifyEmailHandler.js
+++ b/exthernal-login-api/src/middlewares/verifyEmailHandler.js
@@ -1,9 +1,8 @@
-import Redis from 'ioredis';
 import { GeneralService } from '../share/generalservice.js';
+import redis from '../utils/redis.js';
 // import { sendError } from './response.js';
 
 export async function verifyEmailHandler(req, res) {
-  const redis = new Redis();
   const generalService = new GeneralService();
 
   try {
diff --git a/exthernal-login-api/src/services/otpverifyservice.js b/exthernal-login-api/src/services/otpverifyservice.js
index 7bf59f6..234a1f5 100644
--- a/exthernal-login-api/src/services/otpverifyservice.js
+++ b/exthernal-login-api/src/services/otpverifyservice.js
@@ -1,24 +1,24 @@
-import Redis from 'ioredis';
 import crypto from 'crypto';
 import { sendError } from '../utils/response.js';
 import { GeneralService } from '../share/generalservice.js';
+import redis from '../utils/redis.js';
 
 export class OTPVerifyService {
   constructor() {
-    this.redis = new Redis();
+    // this.redis = new redis();
     this.generalService = new GeneralService();
   }
 
   async verifyOtp(email, otp) {
-    const storedOtp = await this.redis.get(`otp:${email}`);
+    const storedOtp = await redis.get(`otp:${email}`);
     if (!storedOtp || storedOtp !== otp) {
       throw sendError('รหัส OTP ไม่ถูกต้องหรือหมดอายุ', 'Invalid OTP');
     }
 
-    await this.redis.del(`otp:${email}`);
+    await redis.del(`otp:${email}`);
 
     const resetToken = crypto.randomBytes(32).toString('hex');
-    await this.redis.set(`reset:${email}`, resetToken, 'EX', 600); // TTL 10 นาที
+    await redis.set(`reset:${email}`, resetToken, 'EX', 600); // TTL 10 นาที
 
     this.generalService.devhint(1, 'otpverifyservice.js', `OTP Verified → Reset Token issued (${email})`);
 
diff --git a/exthernal-login-api/src/services/registerservice.js b/exthernal-login-api/src/services/registerservice.js
index 2b93131..70e838e 100644
--- a/exthernal-login-api/src/services/registerservice.js
+++ b/exthernal-login-api/src/services/registerservice.js
@@ -1,14 +1,14 @@
-import Redis from 'ioredis';
 import bcrypt from 'bcrypt';
 import crypto from 'crypto';
 import nodemailer from 'nodemailer';
 import { GeneralService } from '../share/generalservice.js';
 import { sendError } from '../utils/response.js';
+import redis from '../utils/redis.js';
 
 export class RegisterService {
 
   constructor() {
-    this.redis = new Redis();
+    // this.redis = new Redis();
     this.generalService = new GeneralService();
   }
 
@@ -31,7 +31,7 @@ export class RegisterService {
 
 
       const payload = JSON.stringify({ fname, lname, hashedPwd, token, database });
-      await this.redis.set(`verify:${email}`, payload, 'EX', 86400); // 24h
+      await redis.set(`verify:${email}`, payload, 'EX', 86400); // 24h
 
 
       const verifyUrl = `http://localhost:1012/login/verify-email?token=${token}&email=${encodeURIComponent(email)}&organization=${database}`;
diff --git a/exthernal-login-api/src/services/resetpasswordservice.js b/exthernal-login-api/src/services/resetpasswordservice.js
index bfaecfd..de4f341 100644
--- a/exthernal-login-api/src/services/resetpasswordservice.js
+++ b/exthernal-login-api/src/services/resetpasswordservice.js
@@ -1,23 +1,23 @@
-import Redis from 'ioredis';
 import bcrypt from 'bcrypt';
 import { sendError } from '../utils/response.js';
 import { GeneralService } from '../share/generalservice.js';
+import redis from '../utils/redis.js';
 
 export class ResetPasswordService {
   constructor() {
-    this.redis = new Redis();
+    // this.redis = new Redis();
     this.generalService = new GeneralService();
   }
 
   async resetPassword(email, token, newPassword) {
     let database = '';
 
-    const storedToken = await this.redis.get(`reset:${email}`);
+    const storedToken = await redis.get(`reset:${email}`);
     if (!storedToken || storedToken !== token) {
       throw sendError('Token ไม่ถูกต้องหรือหมดอายุ', 'Invalid or expired token');
     }
 
-    await this.redis.del(`reset:${email}`);
+    await redis.del(`reset:${email}`);
 
     // อัปเดตรหัสผ่านในฐานข้อมูลจริง
     const hashedPwd = await bcrypt.hash(newPassword, 10);
diff --git a/exthernal-login-api/src/services/verifyemailservice.js b/exthernal-login-api/src/services/verifyemailservice.js
index 02a05f5..e296bff 100644
--- a/exthernal-login-api/src/services/verifyemailservice.js
+++ b/exthernal-login-api/src/services/verifyemailservice.js
@@ -1,17 +1,17 @@
-import Redis from 'ioredis';
 import { GeneralService } from '../share/generalservice.js';
+import redis from '../utils/redis.js';
 import { sendError } from '../utils/response.js';
 
 export class VerifyEmailService {
   constructor() {
-    this.redis = new Redis();
+    // this.redis = new Redis();
     this.generalService = new GeneralService();
   }
 
   async verifyAndCreate({ email, token, schema = 'nuttakit' }) {
     // ✅ STEP 1: โหลด payload จาก Redis
     const key = `verify:${email}`;
-    const stored = await this.redis.get(key);
+    const stored = await redis.get(key);
     if (!stored) {
       throw sendError('ลิงก์หมดอายุหรือไม่ถูกต้อง', 'Verification link expired or invalid', 400);
     }
@@ -20,7 +20,7 @@ export class VerifyEmailService {
     try {
       parsed = JSON.parse(stored);
     } catch (ex) {
-      await this.redis.del(key).catch(() => {});
+      await redis.del(key).catch(() => {});
       throw sendError('ข้อมูลการยืนยันไม่ถูกต้อง', 'Invalid verify payload', 400);
     }
 
@@ -36,7 +36,7 @@ export class VerifyEmailService {
     const checkResult = await this.generalService.executeQueryParam(schema, checkSql, [email]);
 
     if (checkResult && checkResult.length > 0) {
-      await this.redis.del(key).catch(() => {});
+      await redis.del(key).catch(() => {});
       throw sendError('อีเมลนี้ถูกใช้แล้วในองค์กรนี้', 'Email already registered in this organization', 400);
     }
 
@@ -49,7 +49,7 @@ export class VerifyEmailService {
     await this.generalService.executeQueryParam(schema, insertSql, params);
 
     // ✅ STEP 5: ลบ Redis Key (เคลียร์ payload)
-    await this.redis.del(key).catch(() => {});
+    await redis.del(key).catch(() => {});
 
     this.generalService.devhint(2, 'verifyemailservice.js', `✅ Account verified (${email})`);