diff --git a/node_modules/web3-eth-accounts/lib/index.js b/node_modules/web3-eth-accounts/lib/index.js
index a176dd9..4c05e61 100644
--- a/node_modules/web3-eth-accounts/lib/index.js
+++ b/node_modules/web3-eth-accounts/lib/index.js
@@ -23,7 +23,7 @@
 var core = require('web3-core');
 var Method = require('web3-core-method');
 var Account = require('eth-lib/lib/account');
-var cryp = (typeof global === 'undefined') ? require('crypto-browserify') : require('crypto');
+var cryp = require('crypto-browserify');
 var scrypt = require('scrypt-js');
 var uuid = require('uuid');
 var utils = require('web3-utils');
@@ -38,6 +38,18 @@ var isNot = function (value) {
 var isExist = function (value) {
     return (typeof value !== 'undefined') && value !== null;
 };
+
+var base64ToUint8Buffer = function(base64) {
+    var binary_string = window.atob(base64);
+    var len = binary_string.length;
+    var bytes = new Uint8Array(len);
+    for (var i = 0; i < len; i++) {
+        bytes[i] = binary_string.charCodeAt(i);
+    }
+    return bytes;
+}
+
+
 var Accounts = function Accounts() {
     var _this = this;
     // sets _requestmanager
@@ -420,7 +432,15 @@ Accounts.prototype.decrypt = function (v3Keystore, password, nonStrict) {
     if (json.crypto.kdf === 'scrypt') {
         kdfparams = json.crypto.kdfparams;
         // FIXME: support progress reporting callback
-        derivedKey = scrypt.syncScrypt(Buffer.from(password), Buffer.from(kdfparams.salt, 'hex'), kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+        var start = Date.now();
+        if (window.jsb && window.jsb.jcCryptoScrypt) {
+            let tmpKey = jsb.jcCryptoScrypt(password, kdfparams.salt, kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+            derivedKey = base64ToUint8Buffer(tmpKey);
+        } else {
+            derivedKey = scrypt.syncScrypt(Buffer.from(password), Buffer.from(kdfparams.salt, 'hex'), kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+        }
+        console.log('decrypt key: ' + derivedKey);
+        console.log('scrypt generate key cost time: ' + (Date.now() - start)/1000);
     }
     else if (json.crypto.kdf === 'pbkdf2') {
         kdfparams = json.crypto.kdfparams;
@@ -463,7 +483,15 @@ Accounts.prototype.encrypt = function (privateKey, password, options) {
         kdfparams.n = options.n || 8192; // 2048 4096 8192 16384
         kdfparams.r = options.r || 8;
         kdfparams.p = options.p || 1;
-        derivedKey = scrypt.syncScrypt(Buffer.from(password), Buffer.from(kdfparams.salt, 'hex'), kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+        var start = Date.now();
+
+        if (window.jsb && window.jsb.jcCryptoScrypt) {
+            let tmpKey = jsb.jcCryptoScrypt(password, kdfparams.salt, kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+            derivedKey = base64ToUint8Buffer(tmpKey);
+        } else {
+            derivedKey = scrypt.syncScrypt(Buffer.from(password), Buffer.from(kdfparams.salt, 'hex'), kdfparams.n, kdfparams.r, kdfparams.p, kdfparams.dklen);
+        }
+        console.log('scrypt generate key cost time: ' + (Date.now() - start)/1000);
     }
     else {
         throw new Error('Unsupported kdf');
@@ -621,6 +649,9 @@ if (!storageAvailable('localStorage')) {
  */
 function storageAvailable(type) {
     var storage;
+    if (typeof cc !== undefined) {
+        return true
+    }
     try {
         storage = self[type];
         var x = '__storage_test__';