今日特价

biz-ghs/product/services/ProductService.php

@@ -76,7 +76,7 @@ class ProductService extends BaseService
             }
         }
         if ($showTodayDiscount && !empty($tjItem)) {
-            $tjClass = [['classId' => self::TJ_CLASS_ID, 'className' => '今日特价', 'classCover' => imgUtil::groupImg(''), 'child' => $tjItem,]];
+            $tjClass = [['classId' => self::TJ_CLASS_ID, 'className' => '今日特价', 'classCover' => imgUtil::groupImg('item_class/tj.jpg'), 'child' => $tjItem,]];
             $classData = array_merge($tjClass, $classData);
         }
         return $classData;