modified history admin config

history/admin.py

@@ -4,4 +4,12 @@ from . import models
 
 # Register your models here.
 
-admin.site.register(models.HistorySync)
+class HistoryAdmin(admin.ModelAdmin):
+    list_display = ('company_name', 'rss_url', 'sync_date', 'result', 'quantity',)
+    list_filter = ('company__company_name',)
+
+    def company_name(self, instance):
+        return instance.company.company_name
+
+
+admin.site.register(models.HistorySync, HistoryAdmin)