如何修改前台显示的“in stock on+日期”

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In stock on March 16, 2018.
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如上，是前台的显示情况。问题是我没有填写过库存到货日期，而且目前3/7日，已经有一堆产品在预留中，一直没有转成在售。我在批量文件模板中修改了sale date，但是一直没有变化。该如何处理呢？只能等待到了日期才能开始售卖吗？