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是要考虑的 如果数据点5秒上一次数，那计划事件的 1秒 2,3,4秒分别要取数据点何时的数据？
没上数的时候，不是默认取上次上数的数据吗
等我们这配置好后再看下，现在绑定有点问题
预计什么时候有结果呢
