请求上传接口出现异常

请求上传接口出现异常，多次测试出来的实践办法，具体原因不明。隐藏部分是三种解决办法

定位到具体问题及bug，今天还发现另外一个问题是跟授权有关，就是首先找下管理员查下授权是不是正常的，我偶然间发现我的授权不正常（两个授权，其中一个管理把授权设置错了，导致上传上传接口出现异常，同时点击更新授权-检测更新会导致/wp-content/module整个文件夹消失，注意避坑，建议平时做好备份）

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<b>Warning</b>: Undefined array key "file" in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b> on line <b>45</b><br />
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<b>Warning</b>: Trying to access array offset on value of type null in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b> on line <b>45</b><br />
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<b>Warning</b>: Undefined array key "file" in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b> on line <b>46</b><br />
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<b>Warning</b>: Trying to access array offset on value of type null in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b> on line <b>46</b><br />
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<b>Warning</b>: Undefined array key "file" in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b> on line <b>47</b><br />
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<b>Warning</b>: Trying to access array offset on value of type null in <b>/www/wwwroot/网站根目录/wp-content/themes/LightSNS/module/upload/module.php</b>