Django 项目的问题 AttributeError at / 'Product' 对象没有属性 'Category'

如何解决Django 项目的问题 AttributeError at / 'Product' 对象没有属性 'Category'

您好，我想知道有人可以帮助我解决我在 Django 项目中遇到的问题。我尝试了一些不同的方法，但似乎无法使其正常工作，并附上了错误的屏幕截图。

[![在此处输入图片描述][1]][1]

错误 [1]：https://i.stack.imgur.com/LKTPu.png

import uuid
from django.db import models
from django.urls import reverse

class Category(models.Model):
    id = models.UUIDField(
        primary_key=True,default=uuid.uuid4,editable=False)
    name = models.CharField(max_length=250,unique=True)
    description = models.TextField(blank=True)
    image = models.ImageField(upload_to='category',blank=True)

    class Meta:
        ordering = ('name',)
        verbose_name = 'category'
        verbose_name_plural = 'categories'

    def get_absolute_url(self):
        return reverse('phoneshop:products_by_category',args=[self.id])

    def __str__(self):
        return self.name    

class Product(models.Model):
    id = models.UUIDField(
        primary_key=True,editable=False)

    name = models.CharField(max_length=250,unique=True)
    description = models.TextField(blank=True)
    category = models.ForeignKey(Category,on_delete=models.CASCADE)
    price = models.DecimalField(max_digits=10,decimal_places=2)
    image = models.ImageField(upload_to='product',blank=True)
    stock = models.IntegerField()
    available = models.BooleanField(default=True)
    created = models.DateTimeField(auto_Now_add=True,blank=True,null=True)
    updated = models.DateTimeField(auto_Now_add=True,null=True)

    class Meta:
        ordering = ('name',)
        verbose_name = 'product'
        verbose_name_plural = 'products'

    def get_absolute_url(self):
        return reverse('phoneshop:prod_detail',args=[self.Category.id,self.id])

    def __str__(self):
        return self.name