feat: auto refresh when mcbbs return 504

mcbbs/server-bump.user.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         圈云盒子顶帖器
 // @namespace    https://circlecloud.ltd/
-// @version      0.1.1
+// @version      0.1.2
 // @description  自动顶贴
 // @author       MiaoWoo
 // @match        https://www.mcbbs.net/forum-server-1.html**
@@ -52,10 +52,13 @@
         }).then(r => r.json())
     }
     async function main() {
+        if (document.getElementsByTagName('h1')[0].innerText.startsWith(504)) {
+            return refresh()
+        }
         let params = location.href.split('?')[1]?.split('&').map(s => s.split('=')).reduce((pre, cur, index) => { pre[cur[0]] = cur[1]; return pre }, {}) || {}
         nextPage = document.getElementById('autopbn')
-        post('alive', { type: 'servers' })
         let servers = await readServers()
+        post('alive', { type: 'servers' })
         if (store.lastPostServer != servers[25].tid) {
             await post('updateServers', servers)
         }