diff --git a/module/register_anonimous.js b/module/register_anonimous.js
index 4d6f7f5..7525669 100644
--- a/module/register_anonimous.js
+++ b/module/register_anonimous.js
@@ -5,6 +5,7 @@ const crypto = require('crypto')
 module.exports = async (query, request) => {
   query.cookie.os = 'iOS'
   const data = {
+    /* A base64 encoded string. */
     username:
       'MzEwMjcwYmY0Y2Y0ODcwMzU0ZDFkZmIxMmMzMGYyMTkgVlBaanMwNmtrb1BYMGxOVzVUMUJ3Zz09',
   }
diff --git a/util/request.js b/util/request.js
index eec7b2a..ab3328a 100644
--- a/util/request.js
+++ b/util/request.js
@@ -55,7 +55,9 @@ const createRequest = (method, url, data, options) => {
     if (typeof options.cookie === 'object') {
       if (!options.cookie.MUSIC_U) {
         // 匿名
-        options.cookie.MUSIC_A = config.anonymous_token
+        if (!options.cookie.MUSIC_A) {
+          options.cookie.MUSIC_A = config.anonymous_token
+        }
       }
       headers['Cookie'] = Object.keys(options.cookie)
         .map(