feat：商品增减库存

src/Comments/Enum/CommentsEnum.php

+<?php
+
+namespace Hdll\Services\Comments\Enum;
+
+class CommentsEnum
+{
+	const VIRTUAL_COMMENTS = 0; //虚拟评论
+	const REAL_COMMENTS = 1;//真实评论
+	const CHILD_COMMENTS = 2;//子评论
+
+	const CATEGORY_ACTIVITY_TLP = 1;//活动模版分类
+}
\ No newline at end of file