How do I highlight the default city on my echarts map?

for example, if you display a map of China, you will default to Beijing with red highlights. How to set it up? it doesn"t work even if you look it up on the Internet.

Mar.06,2021

https://blog.csdn.net/liuchon. is not sure if what you said is the same as this.

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-64f5-1be2f77-3164a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be2f77-3164a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?