After changing the port, the red color turned to yellow, apache was turned on, and SQL could not be started, as shown in the figure. I found the service, and there was no other mysql running. I also deleted the mysql I had downloaded, and it still showed yellow. Unable to start the wempmysqld service, error code 1067, the following is the mysql log

2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_CMPMEM'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_CMP_RESET'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_CMP'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'2020 -03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_LOCKS'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'INNODB_TRX'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'BLACKHOLE'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'ARCHIVE'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'MRG_MYISAM'2020 -03-08 15:01:16 1044 [Note] Shutting down plugin 'MyISAM'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'MEMORY'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'CSV'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'sha256_password'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'mysql_old_password'2020 -03-08 15:01:16 1044 [Note] Shutting down plugin 'mysql_native_password'2020-03-08 15:01:16 1044 [Note] Shutting down plugin 'binlog'2020-03-08 15:01:16 1044 [Note] wampmysqld: Arrêt du server terminé