diff --git a/2207/天天乐学答案/合卷-1.md b/2207/天天乐学答案/合卷-1.md
index 9de2e28..9310451 100644
--- a/2207/天天乐学答案/合卷-1.md
+++ b/2207/天天乐学答案/合卷-1.md
@@ -246,7 +246,7 @@ SET t.teacher_age = 36
 WHERE t.teacher_name = '王老师';
 
 #5 tj11
-SELECT MAX(t.age)
+SELECT MAX(t.teacher_age)
 FROM tb_teacher t;
 
 #6 tj12
@@ -258,8 +258,8 @@ where s.class_id = c.class_id AND c.teacher_id = t.teacher_id;
 CREATE VIEW v_teacher AS
 SELECT c.class_name, t.teacher_name, COUNT(*)
 FROM tb_teacher t, tb_student s, tb_class C
-where s.class_id = c.class_id AND c.teacher_id = t.teacher_id
-GROUP BY c.class_id;
+WHERE s.class_id = c.class_id AND c.teacher_id = t.teacher_id
+GROUP BY c.class_id, t.teacher_name;
 
 #8
 DELIMITER $$