diff --git a/main.py b/main.py
index 4a6ac44..c21ee61 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,7 @@
 # ajouter cette ligne en bas du fichier : sudo visudo
 # gilles ALL=(ALL) NOPASSWD: /sbin/shutdown
 
+# ajouter le hostname du computer
 
 import os
 import time
@@ -10,6 +11,9 @@ import subprocess
 import threading
 import psutil
 import pynvml
+import socket
+
+hostname = socket.gethostname()
 
 # Initialisation de pynvml
 pynvml.nvmlInit()
@@ -61,9 +65,9 @@ def get_cpu_usage():
 
 
 device_info = {
-    "identifiers": ["aorus"],
-    "name": "Aorus",
-    "manufacturer": "GigaByte",
+    "identifiers": [f"{hostname}"],
+    "name": "Mqtt_pilot",
+    "manufacturer": "Black",
     "model": "desktop",
     "sw_version": "1.0.0",
     "suggested_area": "salon",
@@ -72,12 +76,12 @@ device_info = {
 
 # Configuration des entités
 shutdown_entity = {
-    "name": "shutdown_aorus",
+    "name": f"shutdown_{hostname}",
     "type": "switch",
-    "unique_id": "shutdown_aorus_18:c0:4d:b5:65:74",
-    "command_topic": "pilot/aorus/shutdown/set",
-    "state_topic": "pilot/aorus/shutdown",
-    "availability_topic": "pilot/aorus/shutdown/available",
+    "unique_id": f"shutdown_{hostname}_18:c0:4d:b5:65:74",
+    "command_topic": f"pilot/{hostname}/shutdown/available",
+    "state_topic": f"pilot/{hostname}/shutdown",
+    "availability_topic": f"pilot/{hostname}/shutdown/available",
     "device_class": "switch",
     "payload_on": "ON",
     "payload_off": "OFF",
@@ -88,13 +92,13 @@ shutdown_entity = {
 }
 
 # battery_entity = {
-#     "name": "battery_aorus",
+#     "name": f"battery_{hostname}",
 #     "type": "sensor",
-#     "unique_id": "battery_aorus_18:c0:4d:b5:65:74",
-#     "state_topic": "pilot/aorus/battery",
+#     "unique_id": f"battery_{hostname}_18:c0:4d:b5:65:74",
+#     "state_topic": f"pilot/{hostname}/battery",
 #     "unit_of_measurement": "%",
 #     "device_class": "battery",
-#     "availability_topic": "pilot/aorus/battery/available",
+#     "availability_topic": f"pilot/{hostname}/battery/available",
 #     "payload_available": "online",
 #     "payload_not_available": "offline",
 #     "icon": "mdi:battery",
@@ -102,11 +106,11 @@ shutdown_entity = {
 # }
 
 cpu_temp_entity = {
-    "name": "cpu_temp_aorus",
+    "name": f"cpu_temp_{hostname}",
     "type": "sensor",
-    "unique_id": "cpu_temp_aorus_18:c0:4d:b5:65:74",
-    "state_topic": "pilot/aorus/cpu_temp",
-    "availability_topic": "pilot/aorus/cpu_temp/available",
+    "unique_id": f"cpu_temp_{hostname}_18:c0:4d:b5:65:74",
+    "state_topic": f"pilot/{hostname}/cpu_temp",
+    "availability_topic": f"pilot/{hostname}/cpu_temp/available",
     "device_class": "temperature",
     "unit_of_measurement": "°C",
     "payload_available": "online",
@@ -116,11 +120,11 @@ cpu_temp_entity = {
 }
 
 gpu_temp_entity = {
-    "name": "gpu_temp_aorus",
+    "name": f"gpu_temp_{hostname}",
     "type": "sensor",
-    "unique_id": "gpu_temp_aorus_18:c0:4d:b5:65:74",
-    "state_topic": "pilot/aorus/gpu_temp",
-    "availability_topic": "pilot/aorus/gpu_temp/available",
+    "unique_id": f"gpu_temp_{hostname}_18:c0:4d:b5:65:74",
+    "state_topic": f"pilot/{hostname}/gpu_temp",
+    "availability_topic": f"pilot/{hostname}/gpu_temp/available",
     "device_class": "temperature",
     "unit_of_measurement": "°C",
     "payload_available": "online",
@@ -130,11 +134,11 @@ gpu_temp_entity = {
 }
 # Définition de l'entité memory_used
 memory_used_entity = {
-    "name": "memory_used_aorus",
+    "name": f"memory_used_{hostname}",
     "type": "sensor",
-    "unique_id": "memory_used_aorus_18:c0:4d:b5:65:74",
-    "state_topic": "pilot/aorus/memory_used",
-    "availability_topic": "pilot/aorus/memory_used/available",
+    "unique_id": f"memory_used_{hostname}_18:c0:4d:b5:65:74",
+    "state_topic": f"pilot/{hostname}/memory_used",
+    "availability_topic": f"pilot/{hostname}/memory_used/available",
  #   "device_class": "memory",
     "unit_of_measurement": "MB",
     "payload_available": "online",
@@ -144,11 +148,11 @@ memory_used_entity = {
 }
 
 gpu_memory_usage_entity = {
-    "name": "gpu_memory_usage",
+    "name": f"gpu_memory_usage_{hostname}",
     "type": "sensor",
-    "unique_id": "gpu_memory_used_aorus_18:c0:4d:b5:65:74",
-    "state_topic": "pilot/aorus/gpu_memory_usage/state",
-    "availability_topic": "pilot/aorus/gpu_memory_usage/available",
+    "unique_id": f"gpu_memory_used_{hostname}_18:c0:4d:b5:65:74",
+    "state_topic": f"pilot/{hostname}/gpu_memory_usage/state",
+    "availability_topic": f"pilot/{hostname}/gpu_memory_usage/available",
     "unit_of_measurement": "MB",
  #   "device_class": "memory",
     "unit_of_measurement": "MB",
@@ -159,11 +163,11 @@ gpu_memory_usage_entity = {
 }
 
 cpu_usage_entity = {
-    "name": "cpu_usage_aorus",
+    "name": f"cpu_usage_{hostname}",
     "type": "sensor",
-    "unique_id": "cpu_usage_aorus_18:c0:4d:b5:65:74",
-    "state_topic": "pilot/aorus/cpu_usage",
-    "availability_topic": "pilot/aorus/cpu_usage/available",
+    "unique_id": f"cpu_usage_{hostname}_18:c0:4d:b5:65:74",
+    "state_topic": f"pilot/{hostname}/cpu_usage",
+    "availability_topic": f"pilot/{hostname}/cpu_usage/available",
     "unit_of_measurement": "%",
     "payload_available": "online",
     "payload_not_available": "offline",
@@ -206,7 +210,7 @@ def publish_discovery_messages(client):
     )
     # Publication de la configuration du capteur gpu_memory_usage
     client.publish(
-        f"homeassistant/sensor/{gpu_memory_usage_entity['name']}/config",
+        f"{discovery_prefix}/sensor/{gpu_memory_usage_entity['name']}/config",
         json.dumps(gpu_memory_usage_entity),
         retain=True,
     )    
diff --git a/mqtt_pilot.service b/mqtt_pilot.service
index 1d188a6..86fd11a 100644
--- a/mqtt_pilot.service
+++ b/mqtt_pilot.service
@@ -9,9 +9,9 @@ Type=simple
 User=gilles
 # Délai avant de démarrer le service
 ExecStartPre=/bin/sleep 60
-ExecStart=/home/gilles/aorus/monenv/bin/python3 /home/gilles/aorus/main.py
+ExecStart=/home/gilles/pilot/monenv/bin/python3 /home/gilles/pilot/main.py
 Restart=on-failure
 RestartSec=30
-ExecStopPost=/home/gilles/aorus/monenv/bin/python3 /home/gilles/aorus/mqtt_unvai.py
+ExecStopPost=/home/gilles/pilot/monenv/bin/python3 /home/gilles/pilot/mqtt_unvai.py
 [Install]
 WantedBy=multi-user.target
diff --git a/mqtt_unvai.py b/mqtt_unvai.py
index 54873f8..a7c5343 100644
--- a/mqtt_unvai.py
+++ b/mqtt_unvai.py
@@ -1,4 +1,7 @@
 import paho.mqtt.client as mqtt
+import socket
+
+hostname = socket.gethostname()
 
 # Paramètres MQTT
 mqtt_broker_ip_address = "10.0.0.3"
@@ -8,34 +11,34 @@ mqtt_password = ""
 
 # Configuration des entités
 shutdown_entity = {
-    "availability_topic": "pilot/aorus/shutdown/available",
+    "availability_topic": f"pilot/{hostname}/shutdown/available",
     "payload_not_available": "offline",
 }
 
 # battery_entity = {
-#     "availability_topic": "pilot/aorus/battery/available",
+#     "availability_topic": f"pilot/{hostname}/battery/available",
 #     "payload_not_available": "offline",
 # }
 cpu_temperature_entity = {
-    "availability_topic": "pilot/aorus/cpu_temp/available",
+    "availability_topic": f"pilot/{hostname}/cpu_temp/available",
     "payload_not_available": "offline",
 }
 
 gpu_temperature_entity = {
-    "availability_topic": "pilot/aorus/gpu_temp/available",
+    "availability_topic": f"pilot/{hostname}/gpu_temp/available",
     "payload_not_available": "offline",
 }
 gpu_memory_entity = {
-    "availability_topic": "pilot/aorus/gpu_memory_usage/available",
+    "availability_topic": f"pilot/{hostname}/gpu_memory_usage/available",
     "payload_not_available": "offline",
 }
 
 memory_usage_entity = {
-    "availability_topic": "pilot/aorus/memory_used/available",
+    "availability_topic": f"pilot/{hostname}/memory_used/available",
     "payload_not_available": "offline",
 }
 cpu_usage_entity = {
-    "availability_topic": "pilot/aorus/cpu_usage/available",
+    "availability_topic": f"pilot/{hostname}/cpu_usage/available",
     "payload_not_available": "offline",
 }