diff --git a/server-nginx-default b/server-nginx-default
index c2ed82d..efab0e2 100644
--- a/server-nginx-default
+++ b/server-nginx-default
@@ -142,27 +142,27 @@ server {
             proxy_set_header X-Forwarded-Proto $scheme;
         }
 
-        # RB10508 API endpoints
+        # RB10508 API endpoints - 51124 서버로 프록시
         location /rb10508/ {
-            proxy_pass http://localhost:10508/;
+            proxy_pass http://192.168.219.52:10508/;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Proto $scheme;
         }
 
-        # RB8001 API endpoints
+        # RB8001 API endpoints - 51124 서버로 프록시
         location /rb8001/ {
-            proxy_pass http://localhost:8001/;
+            proxy_pass http://192.168.219.52:8001/;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Proto $scheme;
         }
 
-        # RB10408 API endpoints (희재님 테스트용)
+        # RB10408 API endpoints (희재님 테스트용) - 51124 서버로 프록시
         location /rb10408/ {
-            proxy_pass http://localhost:10408/;
+            proxy_pass http://192.168.219.52:10408/;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;