diff --git a/vnt/src/lib.rs b/vnt/src/lib.rs
index 11389e6..d219f57 100644
--- a/vnt/src/lib.rs
+++ b/vnt/src/lib.rs
@@ -1,5 +1,5 @@
 use crate::error::Error;
-pub const VNT_VERSION: &'static str = "1.2.4.3";
+pub const VNT_VERSION: &'static str = "1.2.4.4";
 pub type Result<T> = std::result::Result<T, Error>;
 
 pub mod channel;
diff --git a/vnt/src/tun_tap_device/linux_mac.rs b/vnt/src/tun_tap_device/linux_mac.rs
index 876ee02..1122f9e 100644
--- a/vnt/src/tun_tap_device/linux_mac.rs
+++ b/vnt/src/tun_tap_device/linux_mac.rs
@@ -112,16 +112,17 @@ impl DeviceWriter {
         }
     }
     pub fn close(&self) -> io::Result<()> {
-        unsafe {
-            match &self.writer {
-                DeviceW::Tun(writer) => {
-                    libc::close(writer.as_raw_fd());
-                }
-                DeviceW::Tap((writer, _)) => {
-                    libc::close(writer.as_raw_fd());
-                }
-            }
-        }
+        //早期使用close直接切断网卡，现在并不需要这么做也能正常关闭
+        // unsafe {
+        //     match &self.writer {
+        //         DeviceW::Tun(writer) => {
+        //             libc::close(writer.as_raw_fd());
+        //         }
+        //         DeviceW::Tap((writer, _)) => {
+        //             libc::close(writer.as_raw_fd());
+        //         }
+        //     }
+        // }
         Ok(())
     }
     pub fn is_tun(&self) -> bool {
diff --git a/vnt/win-tun-tap/Cargo.toml b/vnt/win-tun-tap/Cargo.toml
index b79742f..05a137b 100644
--- a/vnt/win-tun-tap/Cargo.toml
+++ b/vnt/win-tun-tap/Cargo.toml
@@ -29,5 +29,6 @@ features = [
     "winerror",
     "ipexport",
     "iphlpapi",
-    "handleapi"
+    "handleapi",
+    "ifdef"
 ]
\ No newline at end of file
diff --git a/vnt/win-tun-tap/src/tap/mod.rs b/vnt/win-tun-tap/src/tap/mod.rs
index 0eb3f91..823d7ec 100644
--- a/vnt/win-tun-tap/src/tap/mod.rs
+++ b/vnt/win-tun-tap/src/tap/mod.rs
@@ -119,7 +119,8 @@ impl TapDevice {
     }
 
     pub fn delete(self) -> io::Result<()> {
-        iface::delete_interface(&self.luid)
+        // iface::delete_interface(&self.luid)
+        Ok(())
     }
 }
 
diff --git a/vnt/win-tun-tap/src/tun/mod.rs b/vnt/win-tun-tap/src/tun/mod.rs
index ccd350f..d68ba5e 100644
--- a/vnt/win-tun-tap/src/tun/mod.rs
+++ b/vnt/win-tun-tap/src/tun/mod.rs
@@ -193,8 +193,8 @@ pub struct Version {
 
 impl IFace for TunDevice {
     fn shutdown(&self) -> io::Result<()> {
-        let _ = unsafe { synchapi::SetEvent(self.shutdown_event) };
-        let _ = unsafe { handleapi::CloseHandle(self.shutdown_event) };
+        // let _ = unsafe { synchapi::SetEvent(self.shutdown_event) };
+        // let _ = unsafe { handleapi::CloseHandle(self.shutdown_event) };
         Ok(())
     }