增加播客搜索地区配置

server/providers/iTunes.js

@@ -1,6 +1,7 @@
 const axios = require('axios')
 const Logger = require('../Logger')
 const htmlSanitizer = require('../utils/htmlSanitizer')
+const Database = require('../Database')
 
 class iTunes {
   constructor() { }
@@ -17,7 +18,7 @@ class iTunes {
       entity: options.entity,
       lang: options.lang,
       limit: options.limit,
-      country: options.country
+      country: options.country ? options.country : Database.serverSettings.podcastSearchRegion
     }
     return axios.get('https://itunes.apple.com/search', { params: query }).then((response) => {
       return response.data.results || []