已禁用全部插件，清楚缓存，依然失败。
有没有相同经历的朋友，你们是怎么解决的？

编辑：更新控制台错误日志

Failed to load resource: the server responded with a status of 400 ()Understand this error
main.min.js?ver=8.2:1 保存时发生错误，以下是错误信息
error @ main.min.js?ver=8.2:1Understand this error
main.min.js?ver=8.2:1 0
error @ main.min.js?ver=8.2:1Understand this error
main.min.js?ver=8.2:1 Object
error @ main.min.js?ver=8.2:1Understand this error
inspector.js:7 POST https://seeksem.com/wp-admin/admin-ajax.php 400 (Bad Request)
XMLHttpRequest.send @ inspector.js:7
send @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
ajax @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
h @ main.min.js?ver=8.2:1
(anonymous) @ main.min.js?ver=8.2:6
dispatch @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2Understand this error
main.min.js?ver=8.2:1 保存时发生错误，以下是错误信息
error @ main.min.js?ver=8.2:1
c @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
fireWith @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
l @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
XMLHttpRequest.send
XMLHttpRequest.send @ inspector.js:7
send @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
ajax @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
h @ main.min.js?ver=8.2:1
(anonymous) @ main.min.js?ver=8.2:6
dispatch @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2Understand this error
main.min.js?ver=8.2:1 0
error @ main.min.js?ver=8.2:1
c @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
fireWith @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
l @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
XMLHttpRequest.send
XMLHttpRequest.send @ inspector.js:7
send @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
ajax @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
h @ main.min.js?ver=8.2:1
(anonymous) @ main.min.js?ver=8.2:6
dispatch @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2Understand this error
main.min.js?ver=8.2:1 {readyState: 4, getResponseHeader: ƒ, getAllResponseHeaders: ƒ, setRequestHeader: ƒ, overrideMimeType: ƒ, …}
error @ main.min.js?ver=8.2:1
c @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
fireWith @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
l @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
XMLHttpRequest.send
XMLHttpRequest.send @ inspector.js:7
send @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
ajax @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:5
h @ main.min.js?ver=8.2:1
(anonymous) @ main.min.js?ver=8.2:6
dispatch @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2
(anonymous) @ load-scripts.php?c=1&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.3:2Understand this error