diff --git a/lib/plugins/leetcode.cn.js b/lib/plugins/leetcode.cn.js
index 14b16e1..d05a726 100644
--- a/lib/plugins/leetcode.cn.js
+++ b/lib/plugins/leetcode.cn.js
@@ -39,11 +39,19 @@ plugin.init = function() {
 
 // FIXME: refactor those
 // update options with user credentials
-function signOpts(opts, user) {
+function setupHeaders(opts, user) {
   opts.headers.Cookie = 'LEETCODE_SESSION=' + user.sessionId +
                         ';csrftoken=' + user.sessionCSRF + ';';
   opts.headers['X-CSRFToken'] = user.sessionCSRF;
+  opts.headers['x-csrftoken'] = user.sessionCSRF;
   opts.headers['X-Requested-With'] = 'XMLHttpRequest';
+
+  opts.headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0';
+  opts.headers['Referer'] = 'https://leetcode.cn';
+  opts.headers['Origin'] = 'https://leetcode.cn/';
+  opts.headers['Host'] = 'leetcode.cn';
+  opts.headers['Content-Type'] = 'application/json';
+  opts.headers['Accept'] = 'application/json';
 }
 
 function makeOpts(url) {
@@ -51,8 +59,8 @@ function makeOpts(url) {
   opts.url = url;
   opts.headers = {};
 
-  if (session.isLogin())
-    signOpts(opts, session.getUser());
+  setupHeaders(opts, session.getUser());
+  
   return opts;
 }
 
diff --git a/lib/plugins/leetcode.js b/lib/plugins/leetcode.js
index 93d6605..c8f8d78 100644
--- a/lib/plugins/leetcode.js
+++ b/lib/plugins/leetcode.js
@@ -23,7 +23,15 @@ plugin.signOpts = function(opts, user) {
   opts.headers.Cookie = 'LEETCODE_SESSION=' + user.sessionId +
                         ';csrftoken=' + user.sessionCSRF + ';';
   opts.headers['X-CSRFToken'] = user.sessionCSRF;
+  opts.headers['x-csrftoken'] = user.sessionCSRF;
   opts.headers['X-Requested-With'] = 'XMLHttpRequest';
+
+  opts.headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0';
+  opts.headers['Referer'] = 'https://leetcode.com';
+  opts.headers['Origin'] = 'https://leetcode.com/';
+  opts.headers['Host'] = 'leetcode.com';
+  opts.headers['Content-Type'] = 'application/json';
+  opts.headers['Accept'] = 'application/json';
 };
 
 plugin.makeOpts = function(url) {
@@ -31,8 +39,8 @@ plugin.makeOpts = function(url) {
   opts.url = url;
   opts.headers = {};
 
-  if (session.isLogin())
-    plugin.signOpts(opts, session.getUser());
+  plugin.signOpts(opts, session.getUser());
+  
   return opts;
 };
 
diff --git a/lib/plugins/solution.discuss.js b/lib/plugins/solution.discuss.js
index d5f07c1..3d79045 100644
--- a/lib/plugins/solution.discuss.js
+++ b/lib/plugins/solution.discuss.js
@@ -16,6 +16,21 @@ var plugin = new Plugin(200, 'solution.discuss', '2019.02.03',
 var URL_DISCUSSES = 'https://leetcode.com/graphql';
 var URL_DISCUSS = 'https://leetcode.com/problems/$slug/discuss/$id';
 
+function setupHeaders(opts, user) {
+  opts.headers.Cookie = 'LEETCODE_SESSION=' + user.sessionId +
+                        ';csrftoken=' + user.sessionCSRF + ';';
+  opts.headers['X-CSRFToken'] = user.sessionCSRF;
+  opts.headers['x-csrftoken'] = user.sessionCSRF;
+  opts.headers['X-Requested-With'] = 'XMLHttpRequest';
+
+  opts.headers['User-Agent'] = 'Mozilla/5.0 (X11; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0';
+  opts.headers['Referer'] = 'https://leetcode.cn';
+  opts.headers['Origin'] = 'https://leetcode.cn/';
+  opts.headers['Host'] = 'leetcode.cn';
+  opts.headers['Content-Type'] = 'application/json';
+  opts.headers['Accept'] = 'application/json';
+}
+
 function getSolution(problem, lang, cb) {
   if (!problem) return cb();
 
@@ -60,6 +75,11 @@ function getSolution(problem, lang, cb) {
       })
     }
   };
+
+  opts.headers = {};
+  
+  setupHeaders(opts, session.getUser());
+
   request(opts, function(e, resp, body) {
     if (e) return cb(e);
     if (resp.statusCode !== 200)