开源版4.4.3升级4.4.4报错

更新步骤：

1.！！！备份全站文件以及数据库

2.删除public/statics/download以及public/statics/mp_view文件夹

3.将升级包在根目录下解压

4.浏览器中输入“域名/adminapi/upgrade”进入升级页面，注：最后不能有/

报错如下：

{"status":400,"msg":"controller not 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