when the filed name is "content" render error

[mailnull]

django==2.2
in model :
content = somefieldname

in admin
CKEditorWidget render all the page

[mailnull]

class PuxuForm(forms.ModelForm):
    class Meta:

        model = Puxu
        fields = '__all__'
        widgets = {
            'content': CKEditorWidget(editor_options={'lang': 'zh-cn'})
        }


@admin.register(Puxu)
class PuxuAdmin(admin.ModelAdmin):
    form = PuxuForm
    fieldsets = [
        (None,{'fields':('title','name')}),
        ('正文', {'classes': ('full-width',), 'fields': ('content',)})
    ]