diff --git a/core/shorthands.js b/core/shorthands.js
index e38c16f1064ff2a494a787324c3231630e3aa40c..578cc0779480c59a4e520286452c3f14299d04b2 100644
--- a/core/shorthands.js
+++ b/core/shorthands.js
@@ -74,3 +74,9 @@ var shorthands = {
         }
     }
 };
+
+// Geekzu Public Service [Mirror]
+shorthands['sdn.geekzu.org'] = shorthands['ajax.googleapis.com'];
+
+// USTC Linux User Group [Mirror]
+shorthands['ajax.proxy.ustclug.org'] = shorthands['ajax.googleapis.com'];