possible deadlock in pty_write

#	Log	Report	Time	Tag
6	log	report	2022/04/22 23:00
5	log	report	2022/04/17 16:52
4	log	report	2022/04/02 13:41
3	log	report	2022/02/12 20:43
2	log	report	2021/12/27 00:33
1	log	report	2021/12/25 00:35
0	log	report	2021/12/13 03:41