diff --git a/pigx-common/pigx-common-security/src/main/java/com/pig4cloud/pigx/common/security/component/PigxInnerHeaderRemoveFilter.java b/pigx-common/pigx-common-security/src/main/java/com/pig4cloud/pigx/common/security/component/PigxInnerHeaderRemoveFilter.java
index 504eb1ed0..a0a3fe13e 100644
--- a/pigx-common/pigx-common-security/src/main/java/com/pig4cloud/pigx/common/security/component/PigxInnerHeaderRemoveFilter.java
+++ b/pigx-common/pigx-common-security/src/main/java/com/pig4cloud/pigx/common/security/component/PigxInnerHeaderRemoveFilter.java
@@ -2,13 +2,13 @@ package com.pig4cloud.pigx.common.security.component;
 
 import cn.hutool.core.net.Ipv4Util;
 import cn.hutool.core.util.StrUtil;
-import cn.hutool.extra.servlet.JakartaServletUtil;
 import com.pig4cloud.pigx.common.core.constant.SecurityConstants;
 import jakarta.servlet.FilterChain;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.tomcat.util.net.IPv6Utils;
 import org.jetbrains.annotations.NotNull;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.http.HttpStatus;
@@ -39,23 +39,23 @@ public class PigxInnerHeaderRemoveFilter extends OncePerRequestFilter {
      */
     @Override
     protected void doFilterInternal(HttpServletRequest request, @NotNull HttpServletResponse response, @NotNull FilterChain filterChain) throws ServletException, IOException {
-        // 获取客户端IP地址
-        String clientIP = JakartaServletUtil.getClientIP(request);
+        // 使用容器提供的连接地址，不从调用者可填写的转发头提取 IP。
+        String clientIP = request.getRemoteAddr();
 
-        // 允许 127.0.0.1 请求直接通过
-        if (Ipv4Util.LOCAL_IP.equals(clientIP)) {
+        // 兼容 IPv4 回环不解析主机名。
+        if (StrUtil.equalsAny(clientIP, Ipv4Util.LOCAL_IP)) {
             filterChain.doFilter(request, response);
             return;
         }
 
         String fromHeader = request.getHeader(SecurityConstants.FROM);
-        // 非 127.0.0.1 请求，没有配置 from  header ，直接跳过
+        // 普通请求不携带内部标记，交给后续认证与权限检查。
         if (StrUtil.isBlank(fromHeader)) {
             filterChain.doFilter(request, response);
             return;
         }
 
-        // 非 127.0.0.1，配置了 from  header ，直接拒绝访问
+        // 外部连接或经过代理的请求，不允许自行声明为内部调用。
         log.warn("请求 IP {}，疑似进行系统注入操作，请注意", clientIP);
         response.setStatus(HttpStatus.FORBIDDEN.value());
     }