update for pc server

asf-cloud-server/testarena/deploy.sh

@@ -50,6 +50,12 @@ fi
 
 # 4. Restart Backend
 echo "Restarting backend services..."
+# Ensure results directory exists for Nginx
+if [ ! -d "results" ]; then
+    mkdir -p results
+    chmod 755 results
+fi
+
 run_compose down
 run_compose up -d --build