diff --git a/lib/v2/nua/radar.js b/lib/v2/nua/radar.js
index 76fca5ee35..9052e31d1b 100644
--- a/lib/v2/nua/radar.js
+++ b/lib/v2/nua/radar.js
@@ -25,7 +25,7 @@ module.exports = {
                 target: '/nua/dc/:type',
             },
         ],
-        gra: [
+        grad: [
             {
                 title: '研究生处',
                 docs: 'https://docs.rsshub.app/university.html#nan-jing-yi-shu-xue-yuan',