diff --git a/docs/tutorial-extras/_category_.json b/docs/tutorial-extras/_category_.json
index 1d47e9c..ea2d31a 100644
--- a/docs/tutorial-extras/_category_.json
+++ b/docs/tutorial-extras/_category_.json
@@ -2,7 +2,7 @@
   "label": "NAS 入门指南",
   "position": 3,
   "link": {
-    "type": "generated-index"
+    "type": "generated-index",
     "description": "海纳思系统使用基础知识,必须掌握的技能,建议使用者务必阅读了解"
   }
 }