遇到这个问题如果是封装好的函数，应该用的model的名称和attribute名字不一致，可以检查一下，我就是遇到这个问题
如果可以单步走到Parameter赋值的地方，应该就可以发现，赋值问题，也要注意数据库的字段类型和model里面写的模型是不是一样的，或者是可以转换的。
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