From 0c250dfd172c5a18e0c0f75898c4587ef9889e6b Mon Sep 17 00:00:00 2001
From: hotyue <52734432+hotyue@users.noreply.github.com>
Date: Fri, 17 Apr 2026 01:44:40 +0000
Subject: [PATCH] =?UTF-8?q?fix(core):=20[v3.6.0]=20=E4=BF=AE=E5=A4=8D=20OT?=
 =?UTF-8?q?A=20=E5=8D=87=E7=BA=A7=E6=97=B6=E7=9A=84=E7=AB=9E=E6=80=81?=
 =?UTF-8?q?=E8=87=AA=E6=9D=80=20Bug=EF=BC=8C=E5=BC=95=E5=85=A5=20TCP=20?=
 =?UTF-8?q?=E5=BC=BA=E5=88=B6=E5=88=B7=E6=96=B0=E4=B8=8E=203=20=E7=A7=92?=
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---
 core/agent_daemon.sh | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/core/agent_daemon.sh b/core/agent_daemon.sh
index 489b00d..5aeb10e 100755
--- a/core/agent_daemon.sh
+++ b/core/agent_daemon.sh
@@ -316,10 +316,11 @@ class AgentHandler(http.server.BaseHTTPRequestHandler):
                 self.send_header("Content-type", "text/plain")
                 self.end_headers()
                 self.wfile.write(b"Action Accepted: trigger_upgrade\n")
+                self.wfile.flush() # [修复 1] 强制刷新 TCP 缓冲区，立刻把成功回执发给 Master
                 
-                # 注入静默环境变量，触发极其极客的无状态管道升级，瞬间重载
-                cmd = "export SILENT_OTA=true && curl -sL https://raw.githubusercontent.com/hotyue/IP-Sentinel/main/core/install.sh | bash"
-                subprocess.Popen(cmd, shell=True, executable='/bin/bash')
+                # [修复 2] 采用 nohup 剥离进程，并延迟 3 秒再执行，防止 install.sh 一启动就把 Webhook 自己秒杀了
+                cmd = "nohup bash -c 'sleep 3 && export SILENT_OTA=true && curl -sL https://raw.githubusercontent.com/hotyue/IP-Sentinel/main/core/install.sh | bash' >/dev/null 2>&1 &"
+                subprocess.Popen(cmd, shell=True, close_fds=True)
             except Exception as e:
                 self.send_response(500)
                 self.end_headers()