在Chorme查看日志的时候会一直重启

[Dong-Guan-Saohuang-Dadui]

Stopping trojan...
[2025-05-17 14:20:52] [WARN] got signal: 15
[2025-05-17 14:20:52] [WARN] trojan service stopped
trojan.service: Succeeded.
Stopped trojan.
Started trojan.
Welcome to trojan 1.16.0
[2025-05-17 14:20:52] [WARN] trojan service (server) started at 0.0.0.0:443
[2025-05-17 14:20:53] [WARN] XXX.XXX.XXX.XXX:15630 not trojan request, connecting to 127.0.0.1:80
Stopping trojan...
[2025-05-17 14:20:55] [WARN] got signal: 15
[2025-05-17 14:20:55] [WARN] trojan service stopped
trojan.service: Succeeded.
Stopped trojan.
Started trojan.
Welcome to trojan 1.16.0
[2025-05-17 14:20:56] [WARN] trojan service (server) started at 0.0.0.0:443
[2025-05-17 14:20:56] [WARN] XXX.XXX.XXX.XXX:15636 not trojan request, connecting to 127.0.0.1:80
[2025-05-17 14:31:34] [WARN] XXX.XXX.XXX.XXX:15549 not trojan request, connecting to 127.0.0.1:80
Stopping trojan...
[2025-05-17 14:31:37] [WARN] got signal: 15
[2025-05-17 14:31:37] [WARN] trojan service stopped
trojan.service: Succeeded.
Stopped trojan.
Started trojan.
Welcome to trojan 1.16.0
[2025-05-17 14:31:37] [WARN] trojan service (server) started at 0.0.0.0:443
[2025-05-17 14:31:38] [WARN] XXX.XXX.XXX.XXX:15551 not trojan request, connecting to 127.0.0.1:80
[2025-05-17 14:36:09] [WARN] XXX.XXX.XXX.XXX:16217 not trojan request, connecting to 127.0.0.1:80
Stopping trojan...
[2025-05-17 14:36:12] [WARN] got signal: 15
[2025-05-17 14:36:12] [WARN] trojan service stopped
trojan.service: Succeeded.
Stopped trojan.
Started trojan.
Welcome to trojan 1.16.0
[2025-05-17 14:36:12] [WARN] trojan service (server) started at 0.0.0.0:443
[2025-05-17 14:36:13] [WARN] XXX.XXX.XXX.XXX:16220 not trojan request, connecting to 127.0.0.1:80

在源码中没找到got signal: 15 的相关描述，是怎么回事的