diff --git a/worker/api_receiver.php b/worker/api_receiver.php
index ba08094..700011a 100644
--- a/worker/api_receiver.php
+++ b/worker/api_receiver.php
@@ -86,7 +86,7 @@ function apiResponse($error = null) {
 }
 
 // 1. 응답 헤더 설정 (JSON)
-header('Content-Type: application/json; charset=utf-8');
+// header('Content-Type: application/json; charset=utf-8');
 
 // ===== 최우선: 모든 호출 정보를 로그에 저장 (보안 키 체크 전) =====
 $protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http";