修复若干问题

scripts/check_links.js

@@ -2,7 +2,7 @@ const fs = require('fs');
 const path = require('path');
 const axios = require('axios');
 
-const API_BASE = 'https://rssapi.usj.cc';
+const API_BASE = 'https://api.usj.cc';
 const HEALTH_URL = `${API_BASE}/api/health`;
 const LINKS_URL = `${API_BASE}/api/links`;