The data returned by vuex in the backend of component A storage can not be obtained from component B. what's going on?

What is the reason for

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? Grammar is sure to be no problem, in this component can be taken normally, ask the boss to explain.

Mar.13,2021

this.callback do callbacks, and you can get response without passing parameters.

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e54dd2-44a73.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e54dd2-44a73.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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