diff --git a/data/old_grade.txt b/data/old_grade.txt
index 2bd8205..7113728 100644
--- a/data/old_grade.txt
+++ b/data/old_grade.txt
@@ -1 +1 @@
-c99f099fad73855c1459886d5c049ac6
\ No newline at end of file
+12886f741bd98e5a9e7ab8698fb641c7
\ No newline at end of file