refactor: api是否加密由配置文件决定；封装option

module/send_song.js

@@ -1,5 +1,6 @@
 // 私信歌曲
 
+const createOption = require('../util/option.js')
 module.exports = (query, request) => {
   const data = {
     id: query.id,
@@ -7,11 +8,5 @@ module.exports = (query, request) => {
     type: 'song',
     userIds: '[' + query.user_ids + ']',
   }
-  return request('POST', `https://music.163.com/api/msg/private/send`, data, {
-    crypto: 'api',
-    cookie: query.cookie,
-    ua: query.ua || '',
-    proxy: query.proxy,
-    realIP: query.realIP,
-  })
+  return request('POST', `/api/msg/private/send`, data, createOption(query))
 }