修复主界面总浏览数为0问题

gallery/views.py

@@ -1,6 +1,6 @@
 from django.shortcuts import render, get_object_or_404, redirect
 from django.views.generic import ListView, DetailView
-from django.db.models import Q
+from django.db.models import Q, Sum
 from django.contrib.auth import authenticate, login, logout
 from django.contrib.auth.decorators import login_required
 from django.contrib import messages
@@ -12,8 +12,10 @@ from .forms import CommentForm
 def index(request):
     """首页视图 - 展示所有作品"""
     artworks = Artwork.objects.all().order_by('order', '-created_at')
+    total_views = artworks.aggregate(total=Sum('view_count'))['total'] or 0
     context = {
         'artworks': artworks,
+        'total_views': total_views,
         'page_title': 'YITAO-REN GALLERY',
     }
     return render(request, 'gallery/index.html', context)