diff --git a/web/src/main/resources/sql/jlw/schoolClass.md b/web/src/main/resources/sql/jlw/schoolClass.md
index daff454b..682ca23a 100644
--- a/web/src/main/resources/sql/jlw/schoolClass.md
+++ b/web/src/main/resources/sql/jlw/schoolClass.md
@@ -249,4 +249,4 @@ teacher.teacher_id;
 
 findClassNameByClassId
 ===
-SELECT class_name as name FROM school_class WHERE class_id = #classId#
\ No newline at end of file
+SELECT class_name as name FROM school_class WHERE old_class_id = #classId#
\ No newline at end of file