laravel5.1 数据迁移外建报错

laravel5.1 <wbr>数据迁移外建报错

当不使用unsinged 的时候报错
laravel5.1 <wbr>数据迁移外建报错

查呀查
https://laracasts.com/discuss/channels/general-discussion/sqlstatehy000-general-error-1215-cannot-add-foreign-key-constraint?page=1

laravel5.1 <wbr>数据迁移外建报错



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