包含主子表结构主表合并单元格导出

[xiaobaxiang]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

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Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered. 返回的集合里面还有一层集合，能不能将内外层的字段都显示出来。然后将外层的合并显示 Additional context Add any other context or screenshots about the feature request here.