diff --git a/jupyterhub_config.py b/jupyterhub_config.py
index 74885fd..10fba88 100644
--- a/jupyterhub_config.py
+++ b/jupyterhub_config.py
@@ -39,7 +39,7 @@ c.DockerSpawner.remove = True
 c.DockerSpawner.debug = True
 
 # User containers will access hub by container name on the Docker network
-c.JupyterHub.hub_ip = "jupyterhub"
+c.JupyterHub.hub_ip = 'jupyterhub'
 c.JupyterHub.hub_port = 8080
 
 # Persist hub data on volume mounted inside container
@@ -55,4 +55,13 @@ c.NativeAuthenticator.open_signup = True
 # Allowed admins
 admin = os.environ.get("JUPYTERHUB_ADMIN")
 if admin:
-    c.Authenticator.admin_users = [admin]
\ No newline at end of file
+    c.Authenticator.admin_users = [admin]
+
+# GPU 和网络配置
+c.DockerSpawner.extra_host_config = {
+    'runtime': 'nvidia'
+}
+c.DockerSpawner.environment = {
+    'NVIDIA_DRIVER_CAPABILITIES': 'compute,utility',
+    'NVIDIA_VISIBLE_DEVICES': 'all'
+}