diff --git a/mysql.sql b/mysql.sql
index 74755df..d4d0de6 100644
--- a/mysql.sql
+++ b/mysql.sql
@@ -178,11 +178,11 @@ CREATE TABLE teacher
     FOREIGN KEY (user_id) REFERENCES user (user_id)
 );
 
-INSERT INTO teacher (name, user_id)
-VALUES ('教师1', 1),
-       ('教师2', 2),
-       ('教师3', 3),
-       ('教师4', 4);
+INSERT INTO teacher (name, user_id,teacher_number)
+VALUES ('教师1', 1,'G0001'),
+       ('教师2', 2,'G0002'),
+       ('教师3', 3,'G0003'),
+       ('教师4', 4,'G0004');
 
 CREATE TABLE major_course
 (