diff --git a/vnt/src/handle/recv_data/server.rs b/vnt/src/handle/recv_data/server.rs
index 9cef364..bd6dd53 100644
--- a/vnt/src/handle/recv_data/server.rs
+++ b/vnt/src/handle/recv_data/server.rs
@@ -390,7 +390,7 @@ impl<Call: VntCallback, Device: DeviceWrite> ServerPacketHandler<Call, Device> {
                                         "device_fd == 0".into(),
                                     ));
                                 } else {
-                                    let device = tun_rs::SyncDevice::from_fd(device_fd as _);
+                                    let device = unsafe { tun_rs::SyncDevice::from_fd(device_fd as _) };
                                     if let Err(e) = self.tun_device_helper.start(
                                         Arc::new(device),
                                         self.config_info.allow_wire_guard,