fix(core): 引入智能网卡生存探测机制，彻底解决多 IP 站群机因 IP 漂移导致的 curl 死锁断网问题

core/mod_google.sh

@@ -97,6 +97,12 @@ CURL_BIND_OPT=""
 DYNAMIC_IP_PREF="-${IP_PREF:-4}" # 默认提取用户配置
 
 if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
+    # [v3.6.3 容错层补丁] 探测物理网卡/虚拟 IP 存活状态
+    RAW_BIND_IP=$(echo "$BIND_IP" | tr -d '[]')
+    if ! ip addr show 2>/dev/null | grep -qw "$RAW_BIND_IP"; then
+        log "$MODULE_NAME" "WARN " "检测到配置的出口 IP ($RAW_BIND_IP) 已丢失，自动降级为系统默认路由出网！"
+        CURL_BIND_OPT=""
+    else
         CURL_BIND_OPT="--interface $BIND_IP"
         # 智能探测：带冒号为 V6，带点号为 V4
         if [[ "$BIND_IP" == *":"* ]]; then
@@ -107,6 +113,7 @@ if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
             log "$MODULE_NAME" "INFO " "底层路由锁定: 绑定 IPv4 出口及协议 ($BIND_IP)"
         fi
     fi
+fi
 
 # --- [行为循环模拟] ---
 for ((i=1; i<=TOTAL_ACTIONS; i++)); do

core/mod_trust.sh

@@ -99,6 +99,12 @@ CURL_BIND_OPT=""
 DYNAMIC_IP_PREF="-${IP_PREF:-4}" # 默认提取用户配置
 
 if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
+    # [v3.6.3 容错层补丁] 探测物理网卡/虚拟 IP 存活状态
+    RAW_BIND_IP=$(echo "$BIND_IP" | tr -d '[]')
+    if ! ip addr show 2>/dev/null | grep -qw "$RAW_BIND_IP"; then
+        log_msg "WARN " "检测到配置的出口 IP ($RAW_BIND_IP) 已丢失，自动降级为系统默认路由出网！"
+        CURL_BIND_OPT=""
+    else
         CURL_BIND_OPT="--interface $BIND_IP"
         # 智能探测：带冒号为 V6，带点号为 V4
         if [[ "$BIND_IP" == *":"* ]]; then
@@ -109,6 +115,7 @@ if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
             log_msg "INFO " "底层路由锁定: 绑定 IPv4 出口及协议 ($BIND_IP)"
         fi
     fi
+fi
 
 STEP_COUNT=$((RANDOM % 4 + 3))
 SUCCESS_INJECT=0

core/tg_report.sh

@@ -31,6 +31,11 @@ CURL_BIND_OPT=""
 DYNAMIC_IP_PREF="-${IP_PREF:-4}"
 
 if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
+    # [v3.6.3 容错层补丁] 探测物理网卡/虚拟 IP 存活状态
+    RAW_BIND_IP=$(echo "$BIND_IP" | tr -d '[]')
+    if ! ip addr show 2>/dev/null | grep -qw "$RAW_BIND_IP"; then
+        CURL_BIND_OPT=""
+    else
         CURL_BIND_OPT="--interface $BIND_IP"
         if [[ "$BIND_IP" == *":"* ]]; then
             DYNAMIC_IP_PREF="-6"
@@ -38,6 +43,7 @@ if [[ -n "$BIND_IP" && "$BIND_IP" =~ ^[0-9a-fA-F:\.]+$ ]]; then
             DYNAMIC_IP_PREF="-4"
         fi
     fi
+fi
 
 # 多节点容灾探测出口 IP (注入协议自适应)
 CURRENT_IP=$( (curl $CURL_BIND_OPT $DYNAMIC_IP_PREF -s -m 5 api.ip.sb/ip || curl $CURL_BIND_OPT $DYNAMIC_IP_PREF -s -m 5 ifconfig.me) 2>/dev/null | tr -d '[:space:]' )

core/updater.sh

@@ -42,8 +42,13 @@ CURL_CMD="curl -${IP_PREF:-4} -sL"
 if [ -n "$BIND_IP" ]; then
     # curl 的 --interface 参数不支持带方括号的 IPv6 地址，必须强行脱壳
     RAW_BIND_IP=$(echo "$BIND_IP" | tr -d '[]')
+    # [v3.6.3 容错层补丁] 探测网卡存活状态，防止 IP 漂移导致永久断网
+    if ! ip addr show 2>/dev/null | grep -qw "$RAW_BIND_IP"; then
+        log "Updater" "WARN " "检测到绑定的出口 IP ($RAW_BIND_IP) 已丢失，自动退回默认路由！"
+    else
         CURL_CMD="$CURL_CMD --interface $RAW_BIND_IP"
     fi
+fi
 
 # ==========================================================
 # 3. 容灾机制拉取 UA 指纹池 (V3.3.0 引入 30 天错峰防惊群逻辑)