Element-ui component tree node selection problem

when the tree component in element-ui, current node, all child nodes are selected, get the current node id;. If one child node is not selected, get all selected child nodes id

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-64f5-7beab3-27098.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-7beab3-27098.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?