diff --git a/assets/maimai/mai_grade_info.json b/assets/maimai/mai_grade_info.json
index babaa403..39aae1b3 100644
--- a/assets/maimai/mai_grade_info.json
+++ b/assets/maimai/mai_grade_info.json
@@ -680,7 +680,7 @@
                     "song_id": 641
                 },
                 {
-                    "level_index": 3,
+                    "level_index": 4,
                     "song_id": 61
                 },
                 {
@@ -697,4 +697,4 @@
             "life": 50
         }
     }
-}
\ No newline at end of file
+}