diff --git a/book.json b/book.json
index 6ffc3dc..8127156 100644
--- a/book.json
+++ b/book.json
@@ -36,7 +36,7 @@
                 "target": "_blank",
                 "name": "简易教程"
             }]
-        },
+        }
     },
     "pluginsConfig": {
         "github-buttons": {