fix bug

biz-hd/product/classes/ProductClass.php

@@ -527,7 +527,7 @@ class ProductClass extends BaseClass
             Yii::$app->redis->executeCommand('HDEL', [$limitKey, $customId]);
         } else {
             $hasNum = Yii::$app->redis->executeCommand('HGET', [$limitKey, $customId]);
-            $remainNum = $hasNum > $num ? bcsub($num, $hasNum) : 0;
+            $remainNum = $hasNum > $num ? bcsub($hasNum - $num) : 0;
             $remainNum = floor($remainNum);
             if ($remainNum > 0) {
                 Yii::$app->redis->executeCommand('HSET', [$limitKey, $customId, $remainNum]);

console/controllers/ShopCouponController.php

@@ -3,9 +3,6 @@
 namespace console\controllers;
 
 use biz\shop\classes\ShopCouponClass;
-use bizHd\purchase\classes\PurchaseClass;
-use bizHd\purchase\models\Purchase;
-use bizHd\purchase\services\PurchaseService;
 use common\components\noticeUtil;
 use yii\console\Controller;
 use Yii;