diff --git a/1745315147_table_exam_answer_add_during.up.sql b/1745315147_table_exam_answer_add_during.up.sql
new file mode 100644
index 0000000..992ab18
--- /dev/null
+++ b/1745315147_table_exam_answer_add_during.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `ufutx_exam_answer`
+ADD COLUMN `during` int NOT NULL COMMENT "用时" after `score`
\ No newline at end of file