when vue acquires data, the first five items are obtained normally, and the sixth item reports an error 
when vue acquires data, the first five items are obtained normally, and the sixth item reports an error
since the first five items are normal, there must be something different in section 6.
check the message in the res.data.data, error report and say that it is undefined
. You'd better use try/catch package for exception handling. It is recommended to print data analysis, and make it clear at a glance
let current = res.data.data.current;. It is res.data.data that does not have the attribute current. If undefined, is returned, an error will be reported.
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