diff --git a/core/agent_daemon.sh b/core/agent_daemon.sh
index e4a327d..16545a0 100755
--- a/core/agent_daemon.sh
+++ b/core/agent_daemon.sh
@@ -55,16 +55,6 @@ if [ -n "$AGENT_IP" ]; then
     fi
 fi
 
-# [v4.1.8 核心修复] 彻底解决 IPv6 致命耳聋漏洞 (Socket Binding Mismatch)
-# 在拉起 Python 引擎前，由 Bash 强行锁定底层网络栈监听维度，抛弃脆弱的内部解析
-if [[ "$AGENT_IP" == *":"* ]]; then
-    export BIND_ADDR="::"
-    echo "🌐 [Agent] 协议栈识别: 侦测到 IPv6 基因，底层路由强锁定至 [::]"
-else
-    export BIND_ADDR="0.0.0.0"
-    echo "🌐 [Agent] 协议栈识别: 侦测到 IPv4 基因，底层路由强锁定至 0.0.0.0"
-fi
-
 # ==========================================================
 # [加密通信] 强制构建自签名 TLS 装甲，屏蔽中间人嗅探
 # ==========================================================
@@ -482,12 +472,20 @@ import socket
 class ThreadedServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
     allow_reuse_address = True
 
-# [v4.1.8 终极修复] 废除脆弱的 Python 内置解析，直接读取 Bash 注入的底层环境变量
-bind_addr = os.environ.get('BIND_ADDR', '0.0.0.0')
-if bind_addr == "::":
-    ThreadedServer.address_family = socket.AF_INET6
-else:
-    ThreadedServer.address_family = socket.AF_INET
+# [恢复经典架构] 直接解析固化配置文件，最稳定的协议栈探底方案
+bind_addr = "0.0.0.0"
+ThreadedServer.address_family = socket.AF_INET
+
+config_path = '/opt/ip_sentinel/config.conf'
+if os.path.exists(config_path):
+    with open(config_path, 'r', errors='ignore') as f:
+        for line in f:
+            if line.startswith('PUBLIC_IP='):
+                pub_ip = line.split('=', 1)[1].strip('"\'')
+                if ':' in pub_ip:
+                    bind_addr = "::"
+                    ThreadedServer.address_family = socket.AF_INET6
+                break
 
 httpd = ThreadedServer((bind_addr, PORT), AgentHandler)