How can echarts's markpoint be hidden when switching to saving time across the country?

Click events with markpoint, added to each city level of the national map to switch between the country and the province. But switch to a single time saver. All markpoint will be displayed. How can you hide the markpoint? of other provinces?

Mar.16,2021
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-64f5-1b36165-40572.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36165-40572.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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