2020-04-21 09:29:04 [调试] 打开端口(COM2,9600)成功!
2020-04-21 11:43:57 [调试] 打开端口(COM2,9600)成功!
2020-04-21 11:45:36 [调试] 打开端口(COM2,9600)成功!
2020-04-21 16:06:14 [调试] 打开端口(COM2,9600)成功!
2020-04-21 17:37:19 [调试] 打开端口(COM2,9600)成功!