New deployed django met 'Database returned an invalid datetime value'

Issue: Newｌｙ deployed django met 'Database returned an invalid datetime value'

Learn from stackoverflow:　https://stackoverflow.com/questions/40792628/django-mysql-database-returned-an-invalid-datetime-value

mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql

Issue: tinymce occured not display admin edit block

Delete tinymce settings TINYMCE_DEFAULT_CONFIG in blog/settings.py . Only a temporary solution.