有报错,内容为:Uncaught TypeError: Cannot read property 'length' of undefined
at database.js?date=7.4.5:375
at Object.success (public_backup.js?version20200903=7.4.5:487)
at c (jquery-1.10.2.min.js:3)
at Object.fireWith [as resolveWith] (jquery-1.10.2.min.js:3)
at k (jquery-1.10.2.min.js:5)
at XMLHttpRequest.r (jquery-1.10.2.min.js:5) |