diff --git a/easytier/Cargo.toml b/easytier/Cargo.toml
index 0ffefc35..410726c8 100644
--- a/easytier/Cargo.toml
+++ b/easytier/Cargo.toml
@@ -50,6 +50,8 @@ time = "0.3"
 toml = "0.8.12"
 chrono = { version = "0.4.37", features = ["serde"] }
 
+cfg-if = "1.0"
+
 itertools = "0.14.0"
 
 strum = { version = "0.27.2", features = ["derive"] }
@@ -250,7 +252,6 @@ shellexpand = "3.1.1"
 
 # for fake tcp
 flume = { version = "0.12", optional = true }
-cfg-if = "1.0"
 
 [target.'cfg(any(target_os = "linux", target_os = "macos", target_os = "windows", target_os = "freebsd"))'.dependencies]
 machine-uid = "0.5.3"
@@ -313,6 +314,7 @@ jemalloc-sys = { package = "tikv-jemalloc-sys", version = "0.6.0", features = [
 ], optional = true }
 
 [build-dependencies]
+cfg_aliases = "0.2.1"
 tonic-build = "0.12"
 globwalk = "0.8.1"
 regex = "1"
diff --git a/easytier/build.rs b/easytier/build.rs
index ac7bedc8..520a3f7f 100644
--- a/easytier/build.rs
+++ b/easytier/build.rs
@@ -1,9 +1,9 @@
+use cfg_aliases::cfg_aliases;
+use prost_wkt_build::{FileDescriptorSet, Message as _};
 #[cfg(target_os = "windows")]
 use std::io::Cursor;
 use std::{env, path::PathBuf};
 
-use prost_wkt_build::{FileDescriptorSet, Message as _};
-
 #[cfg(target_os = "windows")]
 struct WindowsBuild {}
 
@@ -130,6 +130,17 @@ fn check_locale() {
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    cfg_aliases! {
+        mobile: {
+            any(
+                target_os = "android",
+                target_os = "ios",
+                all(target_os = "macos", feature = "macos-ne"),
+                target_env = "ohos"
+            )
+        }
+    }
+
     // enable thunk-rs when target os is windows and arch is x86_64 or i686
     #[cfg(target_os = "windows")]
     if !std::env::var("TARGET")
diff --git a/easytier/src/instance/instance.rs b/easytier/src/instance/instance.rs
index c17427c4..83fc5266 100644
--- a/easytier/src/instance/instance.rs
+++ b/easytier/src/instance/instance.rs
@@ -808,14 +808,7 @@ impl Instance {
                         continue;
                     }
 
-                    #[cfg(all(
-                        not(any(
-                            target_os = "android",
-                            any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-                            target_env = "ohos"
-                        )),
-                        feature = "tun"
-                    ))]
+                    #[cfg(all(not(mobile), feature = "tun"))]
                     {
                         let mut new_nic_ctx = NicCtx::new(
                             global_ctx_c.clone(),
@@ -856,14 +849,7 @@ impl Instance {
         });
     }
 
-    #[cfg(all(
-        not(any(
-            target_os = "android",
-            any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-            target_env = "ohos"
-        )),
-        feature = "tun"
-    ))]
+    #[cfg(all(not(mobile), feature = "tun"))]
     fn check_for_static_ip(&self, first_round_output: oneshot::Sender<Result<(), Error>>) {
         let ipv4_addr = self.global_ctx.get_ipv4();
         let ipv6_addr = self.global_ctx.get_ipv6();
@@ -951,11 +937,7 @@ impl Instance {
         {
             Self::clear_nic_ctx(self.nic_ctx.clone(), self.peer_packet_receiver.clone()).await;
 
-            #[cfg(not(any(
-                target_os = "android",
-                any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-                target_env = "ohos"
-            )))]
+            #[cfg(not(mobile))]
             if !self.global_ctx.config.get_flags().no_tun {
                 let (output_tx, output_rx) = oneshot::channel();
                 self.check_for_static_ip(output_tx);
@@ -1475,11 +1457,7 @@ impl Instance {
         self.peer_packet_receiver.clone()
     }
 
-    #[cfg(any(
-        target_os = "android",
-        any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-        target_env = "ohos"
-    ))]
+    #[cfg(mobile)]
     pub async fn setup_nic_ctx_for_mobile(
         nic_ctx: ArcNicCtx,
         global_ctx: ArcGlobalCtx,
diff --git a/easytier/src/instance/virtual_nic.rs b/easytier/src/instance/virtual_nic.rs
index d7238a11..d4e77a03 100644
--- a/easytier/src/instance/virtual_nic.rs
+++ b/easytier/src/instance/virtual_nic.rs
@@ -575,11 +575,7 @@ impl VirtualNic {
         Ok(tun::create(&config)?)
     }
 
-    #[cfg(any(
-        target_os = "android",
-        any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-        target_env = "ohos"
-    ))]
+    #[cfg(mobile)]
     pub async fn create_dev_for_mobile(
         &mut self,
         tun_fd: std::os::fd::RawFd,
@@ -1175,11 +1171,7 @@ impl NicCtx {
         Ok(())
     }
 
-    #[cfg(any(
-        target_os = "android",
-        any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-        target_env = "ohos"
-    ))]
+    #[cfg(mobile)]
     pub async fn run_for_mobile(&mut self, tun_fd: std::os::fd::RawFd) -> Result<(), Error> {
         let tunnel = {
             let mut nic = self.nic.lock().await;
diff --git a/easytier/src/launcher.rs b/easytier/src/launcher.rs
index a01ef811..b9061077 100644
--- a/easytier/src/launcher.rs
+++ b/easytier/src/launcher.rs
@@ -93,11 +93,7 @@ impl EasyTierLauncher {
         }
     }
 
-    #[cfg(any(
-        target_os = "android",
-        any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-        target_env = "ohos"
-    ))]
+    #[cfg(mobile)]
     async fn run_routine_for_mobile(
         instance: &Instance,
         data: &EasyTierData,
@@ -156,11 +152,7 @@ impl EasyTierLauncher {
             }
         });
 
-        #[cfg(any(
-            target_os = "android",
-            any(target_os = "ios", all(target_os = "macos", feature = "macos-ne")),
-            target_env = "ohos"
-        ))]
+        #[cfg(mobile)]
         Self::run_routine_for_mobile(&instance, &data, &mut tasks).await;
 
         instance.run().await?;