解决 django.db.utils.InternalError: (1054, “Unknown column ‘xxx.字段‘ in ‘field list‘“) 问题

感谢这位作者的文章思路：https://blog.csdn.net/heybob/article/details/74742652 问题：Django3.0用着用着突然添加字段时，报 django.db.utils.InternalError: (1054, “Unknown column ‘monitorApp_elecparam_json.machineNumber’ in ‘field li

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