diff --git a/barobill/etax/index.php b/barobill/etax/index.php
index 35766f5..1f25f5e 100644
--- a/barobill/etax/index.php
+++ b/barobill/etax/index.php
@@ -1,3 +1,10 @@
+<?php
+// 환경에 따른 MNG URL 설정
+$currentHost = $_SERVER['HTTP_HOST'] ?? '';
+$mngUrl = (strpos($currentHost, 'sam.kr') !== false)
+    ? 'https://mng.sam.kr'
+    : 'https://mng.codebridge-x.com';
+?>
 <!DOCTYPE html>
 <html lang="ko">
 <head>
@@ -40,6 +47,10 @@
 <body class="bg-slate-50 text-slate-800 antialiased">
     <div id="root"></div>
 
+    <script>
+        // PHP에서 전달받은 환경별 MNG URL
+        const MNG_URL = '<?= $mngUrl ?>';
+    </script>
     <script type="text/babel">
         const { useState, useEffect, useRef } = React;
 
@@ -78,7 +89,7 @@
                                     </a>
                                 </div>
 
-                                <a href="https://mng.codebridge-x.com" target="_blank" className="text-sm font-medium text-slate-600 hover:text-blue-600 transition-colors">영업관리</a>
+                                <a href={MNG_URL} target="_blank" className="text-sm font-medium text-slate-600 hover:text-blue-600 transition-colors">영업관리</a>
                                 <a href="../../price/index.php" className="text-sm font-medium text-slate-600 hover:text-blue-600 transition-colors">가격정책</a>
                                 
                                 <button 
diff --git a/index.php b/index.php
index 15c5b25..6aee43c 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,12 @@
-<?php require_once 'session.php'; ?>
+<?php
+require_once 'session.php';
+
+// 환경에 따른 MNG URL 설정
+$currentHost = $_SERVER['HTTP_HOST'] ?? '';
+$mngUrl = (strpos($currentHost, 'sam.kr') !== false)
+    ? 'https://mng.sam.kr'
+    : 'https://mng.codebridge-x.com';
+?>
 <!DOCTYPE html>
 <html lang="ko">
 <head>
@@ -174,7 +182,7 @@
                 <div class="hidden md:flex items-center gap-4">
                     <!-- <a href="sales_scenario/" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">영업 시나리오</a>
                     <a href="sales_manager_scenario/" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">매니저 시나리오</a> -->
-                    <a href="https://mng.codebridge-x.com" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">영업관리</a>
+                    <a href="<?= $mngUrl ?>" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">영업관리</a>
                     <a href="price/index.php" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">가격정책</a>
                     
                     <!-- Corporate Analysis Hamburger Menu -->
@@ -239,7 +247,7 @@
                 <div class="flex flex-col gap-3">
                     <a href="sales_scenario/" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">영업 시나리오</a>
                     <a href="sales_manager_scenario/" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">매니저 시나리오</a>
-                    <a href="https://mng.codebridge-x.com" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">영업관리</a>
+                    <a href="<?= $mngUrl ?>" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">영업관리</a>
                     <a href="price/index.php" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">가격정책</a>
                     <a href="corp/kodata.php" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors px-2 py-2 hover:bg-slate-50 rounded-lg" onclick="closeMobileMenu()">기업분석</a>
                     <?php if (isset($_SESSION['userid']) && $_SESSION['userid'] != ''): ?>
diff --git a/price/index.php b/price/index.php
index 711f2aa..d19412a 100644
--- a/price/index.php
+++ b/price/index.php
@@ -1,8 +1,14 @@
-<?php 
+<?php
 // session.php가 상위 폴더에 있을 것으로 예상됨 (sales/index.php 참고)
 if (file_exists('../session.php')) {
     require_once '../session.php';
 }
+
+// 환경에 따른 MNG URL 설정
+$currentHost = $_SERVER['HTTP_HOST'] ?? '';
+$mngUrl = (strpos($currentHost, 'sam.kr') !== false)
+    ? 'https://mng.sam.kr'
+    : 'https://mng.codebridge-x.com';
 ?>
 <!DOCTYPE html>
 <html lang="ko">
@@ -25,7 +31,7 @@ if (file_exists('../session.php')) {
                 </a>
                 
                 <div class="flex items-center gap-4">
-                    <a href="https://mng.codebridge-x.com" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">영업관리</a>
+                    <a href="<?= $mngUrl ?>" target="_blank" class="text-sm font-medium text-slate-600 hover:text-brand-600 transition-colors">영업관리</a>
                     <a href="수당지급체계.md" class="px-4 py-2 bg-slate-100 text-slate-600 text-xs font-bold rounded-lg hover:bg-slate-200 transition-colors border border-slate-200">체계 문서 보기</a>
                 </div>
             </div>
