add new type of self-learning

tutorial/migrations/0007_alter_exercise_type.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.4 on 2026-06-30 01:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tutorial', '0006_migrate_mcq_answers'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='exercise',
+            name='type',
+            field=models.CharField(choices=[('mcq', '选择题'), ('sort', '代码排序'), ('fill', '代码填空'), ('match', '连线匹配'), ('predict', '输出预测'), ('debug', '代码找错'), ('group', '归类分组')], max_length=16),
+        ),
+    ]

tutorial/models.py

@@ -12,6 +12,10 @@ class ExerciseType(models.TextChoices):
     MCQ = "mcq", "选择题"
     SORT = "sort", "代码排序"
     FILL = "fill", "代码填空"
+    MATCH = "match", "连线匹配"
+    PREDICT = "predict", "输出预测"
+    DEBUG = "debug", "代码找错"
+    GROUP = "group", "归类分组"
 
 
 class Tutorial(models.Model):