diff --git a/demo/config.tpl.js b/demo/config.tpl.js
index c9f300e..0f22092 100755
--- a/demo/config.tpl.js
+++ b/demo/config.tpl.js
@@ -5,9 +5,9 @@ module.exports = {
   /** set API baseUrl, */
   /**   if not set this key, or empty, or false, or undefined, */
   /**   default baseUrl will be set by `process.env.PRODUCTION` */
-  /**   if process.env.PRODUCTION === 'prod', the default value will be https://api.kucoin.io */
-  /**   else use sandbox as https://openapi-sandbox.kucoin.io */
-  baseUrl: 'https://openapi-sandbox.kucoin.cc',
+  /**   if process.env.PRODUCTION === 'prod', the default value will be https://api.kucoin.com */
+  /**   else use sandbox as https://openapi-sandbox.kucoin.com */
+  baseUrl: 'https://openapi-sandbox.kucoin.com',
   /** Auth infos */
   /**   key is API key */
   /**   secret is API secret */
diff --git a/demo/level2_demo.js b/demo/level2_demo.js
index a4672f5..f3612da 100644
--- a/demo/level2_demo.js
+++ b/demo/level2_demo.js
@@ -5,7 +5,7 @@ const API = require('../src');
 const config = require('./config');
 API.init({
   ...config,
-  baseUrl: 'https://api.kucoin.io',
+  baseUrl: 'https://api.kucoin.com',
 });
 
 // ws demo
diff --git a/src/lib/http.js b/src/lib/http.js
index cf8b6d1..3636b47 100755
--- a/src/lib/http.js
+++ b/src/lib/http.js
@@ -11,8 +11,8 @@ const constructHttp = () => {
     let _baseUrl = baseUrl;
     if (!_baseUrl) {
       _baseUrl = process.env.PRODUCTION === 'prod'
-        ? 'https://api.kucoin.io'
-        : 'https://openapi-sandbox.kucoin.io';
+        ? 'https://api.kucoin.com'
+        : 'https://openapi-sandbox.kucoin.com';
     }
     
     const Http = createHttp({