diff --git a/setup.sh b/setup.sh
index 0389185a..287b310c 100755
--- a/setup.sh
+++ b/setup.sh
@@ -244,7 +244,7 @@ check_service "Web UI" "http://localhost:8016/health"
 # Other Services (8020-8029)
 echo ""
 echo "📊 Other Services (8020-8029):"
-check_service "Modality Optimization" "http://localhost:8004/health"
+check_service "Modality Optimization" "http://localhost:8023/health"
 check_service "Explorer" "http://localhost:8022/health"
 check_service "Multimodal Service" "http://localhost:8020/health"
 check_service "OpenClaw Service" "http://localhost:8007/health"
diff --git a/systemd/aitbc-modality-optimization.service b/systemd/aitbc-modality-optimization.service
index 19f7a8ff..a322d32f 100644
--- a/systemd/aitbc-modality-optimization.service
+++ b/systemd/aitbc-modality-optimization.service
@@ -9,7 +9,7 @@ User=debian
 Group=debian
 WorkingDirectory=/home/oib/aitbc/apps/coordinator-api
 Environment=PATH=/usr/bin
-ExecStart=/usr/bin/python3 -m uvicorn src.app.services.modality_optimization_app:app --host 127.0.0.1 --port 8004
+ExecStart=/usr/bin/python3 -m uvicorn src.app.services.modality_optimization_app:app --host 127.0.0.1 --port 8023
 ExecReload=/bin/kill -HUP $MAINPID
 KillMode=mixed
 TimeoutStopSec=5