backend/randpic/models.py

@@ -5,7 +5,7 @@ class Picture(models.Model):
     name = models.CharField(max_length=100)
     description = models.TextField()
     author = models.CharField(max_length=100)
-    author_url=models.URLField()
     original_url = models.URLField()
+
     def __str__(self):
-        return self.name
+        return self.title

backend/randpic/random_picture.py

@@ -1,8 +1,5 @@
 import json
 import random
-from .models import Picture
-
-pics=Picture.objects.order_by("?")
 
 def get_random_picture():
     with open("./jsons/pics.json") as f:

backend/tianyi/settings.py

@@ -31,7 +31,6 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    'randpic.apps.RandpicConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',