According to the tutorial, it was wrong to add and save quest.
1.models.pyThere is no mistake in naming it.
2.Check INSTALLED_APPS under mysite-> settiongs settings are correct.
3.Using Python manage.py makemigrations polls has no modified content.
4.Check 0001_***.py normal
Resolvent:
1.Delete all files except __init__.py under migrations.
2.python manage.py makemigrations polls
3.python manage.py migration
4.View database has generated corresponding table
