diff --git a/package-lock.json b/package-lock.json
index 7c7b60b..541d78a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,7 @@
         "@nestjs/typeorm": "^8.0.2",
         "axios": "^0.24.0",
         "bluebird": "^3.7.2",
+        "blueimp-md5": "^2.19.0",
         "class-transformer": "^0.4.0",
         "class-validator": "^0.13.1",
         "crypto": "^1.0.1",
@@ -3105,6 +3106,11 @@
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
       "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
+    "node_modules/blueimp-md5": {
+      "version": "2.19.0",
+      "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.19.0.tgz",
+      "integrity": "sha512-DRQrD6gJyy8FbiE4s+bDoXS9hiW3Vbx5uCdwvcCf3zLHL+Iv7LtGHLpr+GZV8rHG8tK766FGYBwRbu8pELTt+w=="
+    },
     "node_modules/body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -13028,6 +13034,11 @@
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
       "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
+    "blueimp-md5": {
+      "version": "2.19.0",
+      "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.19.0.tgz",
+      "integrity": "sha512-DRQrD6gJyy8FbiE4s+bDoXS9hiW3Vbx5uCdwvcCf3zLHL+Iv7LtGHLpr+GZV8rHG8tK766FGYBwRbu8pELTt+w=="
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
diff --git a/package.json b/package.json
index de09715..ea2ed8f 100644
--- a/package.json
+++ b/package.json
@@ -33,6 +33,7 @@
     "@nestjs/typeorm": "^8.0.2",
     "axios": "^0.24.0",
     "bluebird": "^3.7.2",
+    "blueimp-md5": "^2.19.0",
     "class-transformer": "^0.4.0",
     "class-validator": "^0.13.1",
     "crypto": "^1.0.1",
diff --git a/src/helper/irs-api.ts b/src/helper/irs-api.ts
index 373e765..59ebec3 100644
--- a/src/helper/irs-api.ts
+++ b/src/helper/irs-api.ts
@@ -1,5 +1,4 @@
 import axios from 'axios';
-import cryptoMd5 from "crypto";
 
 const irs_url = 'http://h2h.elangpixiu.com/api/h2h';
 const irs_id = 'PT0005';
@@ -32,7 +31,7 @@ export const doTransaction = async (
     } else if (supplier.code == 'Digiflazz') {
       if (typePaid == 'INQUIRY') {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        var md5Hash = require("md5-hash");
+        const md5Hash = require("blueimp-md5");
 
         const options = {
           headers: { 'Content-Type': 'application/json' },
@@ -43,7 +42,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${idtrx}`,
-          sign: md5Hash.default(`${supplier.irs_user}${supplier.irs_pass}${idtrx}`),
+          sign: md5Hash(md5HashDigiflazz),
           testing: true,
         };
         const res = await axios.post(
@@ -55,7 +54,7 @@ export const doTransaction = async (
         return res.data;
       } else if (typePaid == 'PAYMENT') {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        var md5Hash = require("md5-hash");
+        const md5Hash = require("blueimp-md5");
 
         const options = {
           headers: { 'Content-Type': 'application/json' },
@@ -66,7 +65,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${billTrxId}`,
-          sign: md5Hash.default(`${supplier.irs_user}${supplier.irs_pass}${idtrx}`),
+          sign: md5Hash(md5HashDigiflazz),
           testing: true,
         };
         const res = await axios.post(
@@ -78,7 +77,7 @@ export const doTransaction = async (
         return res.data;
       } else {
         const md5HashDigiflazz = `${supplier.irs_user}${supplier.irs_pass}${idtrx}`;
-        var md5Hash = require("md5-hash");
+        const md5Hash = require("blueimp-md5");
         console.log('testmd5', md5HashDigiflazz);
         const options = {
           headers: {'Content-Type': 'application/json'},
@@ -88,7 +87,7 @@ export const doTransaction = async (
           customer_no: `${destination}`,
           buyer_sku_code: `${productCode}`,
           ref_id: `${idtrx}`,
-          sign: md5Hash.default(md5HashDigiflazz),
+          sign: md5Hash(md5HashDigiflazz),
           testing: true,
         };
         const res = await axios.post(
diff --git a/yarn.lock b/yarn.lock
index cf4f6a8..f70b82a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1765,6 +1765,11 @@
   "resolved" "https://registry.npmjs.org/bluebird/-/bluebird-3.4.7.tgz"
   "version" "3.4.7"
 
+"blueimp-md5@^2.19.0":
+  "integrity" "sha512-DRQrD6gJyy8FbiE4s+bDoXS9hiW3Vbx5uCdwvcCf3zLHL+Iv7LtGHLpr+GZV8rHG8tK766FGYBwRbu8pELTt+w=="
+  "resolved" "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.19.0.tgz"
+  "version" "2.19.0"
+
 "body-parser@1.19.0":
   "integrity" "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw=="
   "resolved" "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz"