django not add auto increment primary key id when save an article - django

Question

I hava an article app installed in django admin site,when i finish editing one article,I click the save button,but an error page:
article/models.py
# blog category models
class Category(models.Model):
id = models.IntegerField(primary_key=True,help_text='primary key')
name = models.CharField(max_length=50,help_text='category name')
description = models.TextField(default='',help_text='category description')
createtime = models.DateTimeField(auto_now_add=True)
modifytime = models.DateTimeField(auto_now=True)
categories = models.Manager()
class Meta:
db_table = 'article_category'
def __str__(self):
return self.name
#blog article models
class Article(models.Model):
STATUS = (
(0,'on'),
(1,'off')
)
id = models.IntegerField(primary_key=True,help_text='primary key')
category = models.ForeignKey(Category,help_text='foreigner key reference Category')
title = models.CharField(max_length=100,help_text='article title')
content = models.TextField(help_text='article content')
like = models.IntegerField(default=0,help_text='like numbers')
secretcode = models.CharField(max_length=512,help_text='who has the code can scan')
status = models.IntegerField(choices=STATUS,help_text='status of the article')
createtime = models.DateTimeField(auto_now_add=True,help_text='time that first created')
modifytime = models.DateTimeField(auto_now=True,help_text='time when modified')
articles = models.Manager()
class Meta:
db_table = 'article'
article/widgets.py
from pagedown.widgets import AdminPagedownWidget
from django import forms
from .models import Article
class ArticleModelForm(forms.ModelForm):
content = forms.CharField(widget=AdminPagedownWidget())
class Meta:
model = Article
fields = ('title','category', 'content', 'secretcode', 'status')
article/admin.py
from django.contrib import admin
from .widgets import ArticleModelForm
from .models import Article,ArticleImage,Category
class MMBArticleAdmin(admin.ModelAdmin):
form = ArticleModelForm
admin.site.register(Article,MMBArticleAdmin)
admin.site.register(Category)
admin.site.register(ArticleImage)
the page in the admin site looks like：
and then I click save ,the error page show up like above!why did this happen?and how to fix it?

Answer 1

You've overridden the default automatic field with a manual non-autoincrementing ID. Don't do that. Remove your id fields altogether.