diff --git a/plugins/cookie.chrome.js b/plugins/cookie.chrome.js
index e2d4278..a0a43f9 100644
--- a/plugins/cookie.chrome.js
+++ b/plugins/cookie.chrome.js
@@ -4,6 +4,7 @@ var log = require('../log');
 var Plugin = require('../plugin');
 var Queue = require('../queue');
 var session = require('../session');
+var config = require('../config');
 
 // [Usage]
 //
@@ -134,9 +135,14 @@ Chrome.getCookies = function(cb) {
   db.on('error', cb);
   var KEYS = ['csrftoken', 'LEETCODE_SESSION'];
 
+  let host = config.sys.cookie_host;
+  if (!host) {
+    host = 'leetcode.com';      // default host key
+  }
+
   db.serialize(function() {
     var cookies = {};
-    var sql = 'select name, encrypted_value from cookies where host_key like "%leetcode.com"';
+    var sql = 'select name, encrypted_value from cookies where host_key like "%' + host +'"';
     db.each(sql, function(e, x) {
       if (e) return cb(e);
       if (KEYS.indexOf(x.name) < 0) return;
diff --git a/plugins/cookie.firefox.js b/plugins/cookie.firefox.js
index f69f869..ded46bc 100644
--- a/plugins/cookie.firefox.js
+++ b/plugins/cookie.firefox.js
@@ -1,6 +1,7 @@
 var log = require('../log');
 var Plugin = require('../plugin');
 var session = require('../session');
+var config = require('../config');
 
 // [Usage]
 //
@@ -34,9 +35,14 @@ function getCookies(cb) {
     var db = new sqlite3.Database(files[0]);
     var KEYS = ['csrftoken', 'LEETCODE_SESSION'];
 
+    let host = config.sys.cookie_host;
+    if (!host) {
+      host = 'leetcode.com';      // default host key
+    }
+
     db.serialize(function() {
       var cookies = {};
-      var sql = 'select name, value from moz_cookies where host like "%leetcode.com"';
+      var sql = 'select name, value from moz_cookies where host like "%' + host +'"';
       db.each(sql, function(e, x) {
         if (e) return cb(e);
         if (KEYS.indexOf(x.name) < 0) return;
diff --git a/plugins/leetcode.cn.js b/plugins/leetcode.cn.js
index 07d5d2d..8094ba6 100644
--- a/plugins/leetcode.cn.js
+++ b/plugins/leetcode.cn.js
@@ -31,6 +31,7 @@ plugin.init = function() {
   config.sys.urls.verify          = 'https://leetcode-cn.com/submissions/detail/$id/check/';
   config.sys.urls.favorites       = 'https://leetcode-cn.com/list/api/questions';
   config.sys.urls.favorite_delete = 'https://leetcode-cn.com/list/api/questions/$hash/$id';
+  config.sys.cookie_host          = 'leetcode-cn.com';
 };
 
 // FIXME: refactor those