finish

backend/community/admin.py

@@ -37,7 +37,7 @@ class ActivityAdmin(ModelAdmin):
     
     fieldsets = (
         ('基本信息', {
-            'fields': ('title', 'description', 'banner', 'is_active')
+            'fields': ('title', 'description', 'banner', 'banner_url', 'is_active')
         }),
         ('时间与地点', {
             'fields': ('start_time', 'end_time', 'location'),
@@ -52,6 +52,8 @@ class ActivityAdmin(ModelAdmin):
     def banner_display(self, obj):
         if obj.banner:
             return format_html('<img src="{}" height="50" style="border-radius: 4px;" />', obj.banner.url)
+        elif obj.banner_url:
+            return format_html('<img src="{}" height="50" style="border-radius: 4px;" />', obj.banner_url)
         return "暂无"
 
     @display(description="报名人数")