diff --git a/Readme.md b/Readme.md
index 41f58999..85ad2791 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,5 +1,8 @@
 # Etherscan API
 
+It forked from [etherscan-api 10.0.5](https://github.com/sebs/etherscan-api/tree/v10.0.5)<br>
+The proxy URL and header have been added to avoid CORS.
+
 ## Development of a NEXTGEN Version has started - please stand by
 
 [![npm](https://img.shields.io/npm/dt/etherscan-api.svg)](https://www.npmjs.com/package/etherscan-api)
@@ -31,19 +34,25 @@ Supported:
 * morden
 * ropsten
 * rinkeby
+* heco_mainnet
+* heco_testnet
+* bsc_mainnet
+* bsc_testnet
 
 Latest
 
 ```javascript
-// apikey, network, timeout
-var api = require('etherscan-api').init('YourApiKey','rinkeby'. '3000');
+// apikey, network, timeout, proxyUrl, headers
+var api = require('etherscan-api').init('YourApiKey','rinkeby'. '3000', 'https://cors-anywhere.herokuapp.com/', {
+  'x-requested-with': 'me'
+});
 ```
 
 
 ## Install
 
  ```bash
- npm install etherscan-api --save
+ npm install https://github.com/luckyCoco3418/etherscan-api.git
  ```
 
 
diff --git a/dist/bundle.js b/dist/bundle.js
index 062e6482..c1d28602 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -94,14 +94,17 @@ module.exports = function(getRequest, apiKey) {
       if (!startblock) {
         startblock = 0;
       }
+      queryObject.startblock = startblock;
 
       if (!endblock) {
         endblock = 'latest';
       }
+      queryObject.endblock = endblock;
 
       if (!sort) {
         sort = 'asc';
       }
+      queryObject.sort = sort;
 
       if (txhash) {
         queryObject.txhash = txhash;
@@ -174,13 +177,15 @@ module.exports = function(getRequest, apiKey) {
      * @param {string} address - Account address
      * @param {string} startblock - start looking here
      * @param {string} endblock - end looking there
-     * @param {string} sort - Sort asc/desc
+      * @param {number} page - Page number
+      * @param {number} offset - Max records to return
+      * @param {string} sort - Sort asc/desc
      * @param {string} contractaddress - Address of ERC20 token contract (if not specified lists transfers for all tokens)
      * @example
      * var txlist = api.account.tokentx('0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae', '0x5F988D968cb76c34C87e6924Cc1Ef1dCd4dE75da', 1, 'latest', 'asc');
      * @returns {Promise.<object>}
      */
-    tokentx(address, contractaddress, startblock, endblock, sort) {
+    tokentx(address, contractaddress, startblock, endblock, page, offset, sort) {
       const module = 'account';
       const action = 'tokentx';
 
@@ -192,12 +197,20 @@ module.exports = function(getRequest, apiKey) {
         endblock = 'latest';
       }
 
+       if (!page) {
+         page = 1;
+       }
+
+       if (!offset) {
+         offset = 100;
+       }
+
       if (!sort) {
         sort = 'asc';
       }
 
       var queryObject = {
-        module, action, startblock, endblock, sort, address, apiKey
+        module, action, startblock, endblock, page, offset, sort, address, apiKey
       };
 
       if (contractaddress) {
@@ -282,14 +295,33 @@ const TESTNET_API_URL_MAP = {
   ropsten: 'https://api-ropsten.etherscan.io',
   kovan: 'https://api-kovan.etherscan.io',
   rinkeby: 'https://api-rinkeby.etherscan.io',
-  homestead: 'https://api.etherscan.io'
+  homestead: 'https://api.etherscan.io',
+  heco_mainnet: 'https://api.hecoinfo.com',
+  heco_testnet: 'https://api-testnet.hecoinfo.com',
+  bsc_mainnet: 'https://api.bscscan.com',
+  bsc_testnet: 'https://api-testnet.bscscan.com',
 };
 
-module.exports = function(chain, timeout) {
-  var client = axios.create({
-    baseURL: pickChainUrl(chain),
+module.exports = function(chain, timeout, proxyUrl, headers) {
+  var param = {
     timeout: timeout
-  });
+  };
+
+  var baseUrl = pickChainUrl(chain);
+  if (proxyUrl && 0 < proxyUrl.length) {
+    if (proxyUrl.charAt(proxyUrl.length - 1) == '/') {
+      baseUrl = proxyUrl + baseUrl;
+    } else {
+      baseUrl = proxyUrl + '/' + baseUrl;
+    }
+  }
+  param['baseURL'] = baseUrl;
+
+  if (headers) {
+    param['headers'] = headers;
+  }
+
+  var client = axios.create(param);
 
   /**
    * @param query
@@ -301,10 +333,13 @@ module.exports = function(chain, timeout) {
         var data = response.data;
 
         if (data.status && data.status != 1) {
-          let returnMessage = 'NOTOK';
+          let returnMessage = data.message ||'NOTOK';
           if (data.result && typeof data.result === 'string') {
             returnMessage = data.result;
+          } else if (data.message && typeof data.message === 'string') {
+            returnMessage = data.message;
           }
+
           return reject(returnMessage);
         }
 
@@ -345,8 +380,10 @@ const account = require('./account');
  * @param {string} apiKey - (optional) Your Etherscan APIkey
  * @param {string} chain - (optional) Testnet chain keys [ropsten, rinkeby, kovan]
  * @param {number} timeout - (optional) Timeout in milliseconds for requests, default 10000
+ * @param {string} proxyUrl - (optional) The URL of proxy server to avoid CORS
+ * @param {object} headers - (optional) The object containing custom headers
  */
-module.exports = function(apiKey, chain, timeout) {
+module.exports = function(apiKey, chain, timeout, proxyUrl, headers) {
 
   if (!apiKey) {
     apiKey = 'YourApiKeyToken';
@@ -357,7 +394,7 @@ module.exports = function(apiKey, chain, timeout) {
     timeout = 10000;
   }
 
-  var getRequest = require('./get-request')(chain, timeout);
+  var getRequest = require('./get-request')(chain, timeout, proxyUrl, headers);
 
   /** @lends module:etherscan/api */
   return {
diff --git a/lib/get-request.js b/lib/get-request.js
index c81c37b4..dfa5756c 100644
--- a/lib/get-request.js
+++ b/lib/get-request.js
@@ -18,14 +18,33 @@ const TESTNET_API_URL_MAP = {
   ropsten: 'https://api-ropsten.etherscan.io',
   kovan: 'https://api-kovan.etherscan.io',
   rinkeby: 'https://api-rinkeby.etherscan.io',
-  homestead: 'https://api.etherscan.io'
+  homestead: 'https://api.etherscan.io',
+  heco_mainnet: 'https://api.hecoinfo.com',
+  heco_testnet: 'https://api-testnet.hecoinfo.com',
+  bsc_mainnet: 'https://api.bscscan.com',
+  bsc_testnet: 'https://api-testnet.bscscan.com',
 };
 
-module.exports = function(chain, timeout) {
-  var client = axios.create({
-    baseURL: pickChainUrl(chain),
+module.exports = function(chain, timeout, proxyUrl, headers) {
+  var param = {
     timeout: timeout
-  });
+  };
+
+  var baseUrl = pickChainUrl(chain);
+  if (proxyUrl && 0 < proxyUrl.length) {
+    if (proxyUrl.charAt(proxyUrl.length - 1) == '/') {
+      baseUrl = proxyUrl + baseUrl;
+    } else {
+      baseUrl = proxyUrl + '/' + baseUrl;
+    }
+  }
+  param['baseURL'] = baseUrl;
+
+  if (headers) {
+    param['headers'] = headers;
+  }
+
+  var client = axios.create(param);
 
   /**
    * @param query
diff --git a/lib/init.js b/lib/init.js
index 986a90e4..c4ce1325 100644
--- a/lib/init.js
+++ b/lib/init.js
@@ -14,8 +14,10 @@ const account = require('./account');
  * @param {string} apiKey - (optional) Your Etherscan APIkey
  * @param {string} chain - (optional) Testnet chain keys [ropsten, rinkeby, kovan]
  * @param {number} timeout - (optional) Timeout in milliseconds for requests, default 10000
+ * @param {string} proxyUrl - (optional) The URL of proxy server to avoid CORS
+ * @param {object} headers - (optional) The object containing custom headers
  */
-module.exports = function(apiKey, chain, timeout) {
+module.exports = function(apiKey, chain, timeout, proxyUrl, headers) {
 
   if (!apiKey) {
     apiKey = 'YourApiKeyToken';
@@ -26,7 +28,7 @@ module.exports = function(apiKey, chain, timeout) {
     timeout = 10000;
   }
 
-  var getRequest = require('./get-request')(chain, timeout);
+  var getRequest = require('./get-request')(chain, timeout, proxyUrl, headers);
 
   /** @lends module:etherscan/api */
   return {
diff --git a/package.json b/package.json
index 7934a981..30190df5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "etherscan-api",
-  "version": "10.0.5",
+  "name": "etherscan-api-e",
+  "version": "10.0.6",
   "description": "API to etherscan with a simple interface",
   "main": "index.js",
   "scripts": {
@@ -8,7 +8,7 @@
     "posttest": "npm run lint",
     "lint": "jshint lib test",
     "docs": "documentation build ./lib/init.js -f html -o out",
-    "bundle": "browserify index.js -s etherscanApi -o dist/bundle.js && git commit ./dist -m bundle && git push",
+    "bundle": "npx browserify index.js -s etherscanApi -o dist/bundle.js && git commit ./dist -m bundle && git push",
     "preversion": "npm run lint && npm run changelog",
     "postversion": "git push && git push --tags",
     "changelog": "rm ./docs/CHANGELOG.md && changelog https://github.com/sebs/etherscan-api all > ./docs/CHANGELOG.md && git add ./docs/CHANGELOG.md && git commit ./docs/CHANGELOG.md -m changelog",
@@ -25,14 +25,10 @@
   ],
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/sebs/etherscan-api.git"
+    "url": "git+https://github.com/luckyCoco3418/etherscan-api.git"
   },
-  "author": "",
+  "author": "luckycoco3418",
   "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/sebs/etherscan-api/issues"
-  },
-  "homepage": "https://github.com/sebs/etherscan-api#readme",
   "devDependencies": {
     "browserify": "^16.5.0",
     "chai": "^4.2.0",