diff --git a/app/Http/Controllers/ESign/EsignApiController.php b/app/Http/Controllers/ESign/EsignApiController.php
index 8e1905ff..37f6e86f 100644
--- a/app/Http/Controllers/ESign/EsignApiController.php
+++ b/app/Http/Controllers/ESign/EsignApiController.php
@@ -1067,14 +1067,24 @@ private function sendAlimtalk(
                     'Url1' => $signUrl, 'Url2' => $signUrl],
             ];
 
+            $appUrl = rtrim(config('app.url'), '/');
+
             foreach ($buttons as &$btn) {
                 foreach (['Url1', 'Url2'] as $urlKey) {
                     if (! empty($btn[$urlKey])) {
-                        $btn[$urlKey] = str_replace(
-                            ['#{토큰}', '#{%ED%86%A0%ED%81%B0}', urlencode('#{토큰}')],
-                            [$signer->access_token, $signer->access_token, $signer->access_token],
-                            urldecode($btn[$urlKey])
+                        $url = urldecode($btn[$urlKey]);
+
+                        // #{토큰} 변수를 실제 access_token으로 치환
+                        $url = str_replace(
+                            ['#{토큰}', '#{%ED%86%A0%ED%81%B0}'],
+                            [$signer->access_token, $signer->access_token],
+                            $url
                         );
+
+                        // 도메인을 현재 서버의 APP_URL로 치환 (개발/운영 환경 대응)
+                        $url = preg_replace('#^https?://[^/]+#', $appUrl, $url);
+
+                        $btn[$urlKey] = $url;
                     }
                 }
             }