diff --git a/lib/config.js b/lib/config.js
index 2d46b6fb..bf03f95f 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -38,6 +38,9 @@ export const siteConfig = (key, defaultVal = null, extendConfig = {}) => {
     case 'TAG_SORT_BY_COUNT':
     case 'THEME':
     case 'LINK':
+    case 'NPM_CDN_BASE':
+    case 'CDNJS_CDN_BASE':
+    case 'JSDELIVR_CDN_BASE':
       // LINK比较特殊，
       if (key === 'LINK') {
         if (!extendConfig || Object.keys(extendConfig).length === 0) {