diff --git a/Cargo.lock b/Cargo.lock
index b308de149..48981e169 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1566,7 +1566,6 @@ version = "0.0.14"
 dependencies = [
  "core-graphics 0.22.3",
  "hbb_common",
- "libc",
  "log",
  "objc",
  "pkg-config",
@@ -2598,6 +2597,7 @@ name = "hbb_common"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "backtrace",
  "bytes",
  "chrono",
  "confy",
@@ -2608,9 +2608,11 @@ dependencies = [
  "futures",
  "futures-util",
  "lazy_static",
+ "libc",
  "log",
  "mac_address",
  "machine-uid",
+ "osascript",
  "protobuf",
  "protobuf-codegen",
  "quinn",
@@ -3925,6 +3927,17 @@ version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
+[[package]]
+name = "osascript"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38731fa859ef679f1aec66ca9562165926b442f298467f76f5990f431efe87dc"
+dependencies = [
+ "serde 1.0.149",
+ "serde_derive",
+ "serde_json 1.0.89",
+]
+
 [[package]]
 name = "pango"
 version = "0.16.5"
@@ -4813,7 +4826,6 @@ dependencies = [
  "arboard",
  "async-process",
  "async-trait",
- "backtrace",
  "base64",
  "bytes",
  "cc",
@@ -4847,7 +4859,6 @@ dependencies = [
  "include_dir",
  "jni 0.19.0",
  "lazy_static",
- "libc",
  "libpulse-binding",
  "libpulse-simple-binding",
  "mac_address",
@@ -5046,7 +5057,6 @@ dependencies = [
  "hwcodec",
  "jni 0.19.0",
  "lazy_static",
- "libc",
  "log",
  "ndk 0.7.0",
  "num_cpus",
diff --git a/Cargo.toml b/Cargo.toml
index 9588d10b6..0ebe49fdf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,6 @@ cfg-if = "1.0"
 lazy_static = "1.4"
 sha2 = "0.10"
 repng = "0.2"
-libc = "0.2"
 parity-tokio-ipc = { git = "https://github.com/open-trade/parity-tokio-ipc" }
 flexi_logger = { version = "0.22", features = ["async", "use_chrono_for_offset"] }
 runas = "0.2"
@@ -121,7 +120,6 @@ mouce = { git="https://github.com/fufesou/mouce.git" }
 evdev = { git="https://github.com/fufesou/evdev" }
 dbus = "0.9"
 dbus-crossroads = "0.5"
-backtrace = "0.3"
 
 [target.'cfg(target_os = "android")'.dependencies]
 android_logger = "0.11"
diff --git a/libs/enigo/Cargo.toml b/libs/enigo/Cargo.toml
index cc4173a97..fc4db9a63 100644
--- a/libs/enigo/Cargo.toml
+++ b/libs/enigo/Cargo.toml
@@ -37,8 +37,5 @@ core-graphics = "0.22"
 objc = "0.2"
 unicode-segmentation = "1.6"
 
-[target.'cfg(target_os = "linux")'.dependencies]
-libc = "0.2"
-
 [build-dependencies]
 pkg-config = "0.3"
diff --git a/libs/enigo/src/linux/xdo.rs b/libs/enigo/src/linux/xdo.rs
index 2115d7283..f0f7d49af 100644
--- a/libs/enigo/src/linux/xdo.rs
+++ b/libs/enigo/src/linux/xdo.rs
@@ -1,8 +1,6 @@
-use libc;
-
 use crate::{Key, KeyboardControllable, MouseButton, MouseControllable};
 
-use self::libc::{c_char, c_int, c_void, useconds_t};
+use hbb_common::libc::{c_char, c_int, c_void, useconds_t};
 use std::{borrow::Cow, ffi::CString, ptr};
 
 const CURRENT_WINDOW: c_int = 0;
diff --git a/libs/hbb_common/Cargo.toml b/libs/hbb_common/Cargo.toml
index 59f0896cc..0457bb19a 100644
--- a/libs/hbb_common/Cargo.toml
+++ b/libs/hbb_common/Cargo.toml
@@ -31,6 +31,8 @@ sodiumoxide = "0.2"
 regex = "1.4"
 tokio-socks = { git = "https://github.com/open-trade/tokio-socks" }
 chrono = "0.4"
+backtrace = "0.3"
+libc = "0.2"
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 mac_address = "1.1"
@@ -46,6 +48,9 @@ protobuf-codegen = { version = "3.1" }
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3", features = ["winuser"] }
 
+[target.'cfg(target_os = "macos")'.dependencies]
+osascript = "0.3.0"
+
 [dev-dependencies]
 toml = "0.5"
 serde_json = "1.0"
diff --git a/libs/hbb_common/examples/system_message.rs b/libs/hbb_common/examples/system_message.rs
new file mode 100644
index 000000000..347bec47f
--- /dev/null
+++ b/libs/hbb_common/examples/system_message.rs
@@ -0,0 +1,19 @@
+extern crate hbb_common;
+#[cfg(target_os = "linux")]
+use hbb_common::platform::linux;
+#[cfg(target_os = "macos")]
+use hbb_common::platform::macos;
+
+fn main() {
+    #[cfg(target_os = "linux")]
+    linux::system_message("test title", "test message", true).ok();
+    #[cfg(target_os = "macos")]
+    macos::alert(
+        "RustDesk".to_owned(),
+        "warning".to_owned(),
+        "test title".to_owned(),
+        "test message".to_owned(),
+        ["Ok".to_owned()].to_vec(),
+    )
+    .ok();
+}
diff --git a/libs/hbb_common/src/lib.rs b/libs/hbb_common/src/lib.rs
index 1c49adfb7..99cb6f408 100644
--- a/libs/hbb_common/src/lib.rs
+++ b/libs/hbb_common/src/lib.rs
@@ -39,6 +39,7 @@ pub use tokio_socks::IntoTargetAddr;
 pub use tokio_socks::TargetAddr;
 pub mod password_security;
 pub use chrono;
+pub use libc;
 pub use directories_next;
 pub mod keyboard;
 
diff --git a/libs/hbb_common/src/platform/linux.rs b/libs/hbb_common/src/platform/linux.rs
index 7c107d11c..191ea2e6f 100644
--- a/libs/hbb_common/src/platform/linux.rs
+++ b/libs/hbb_common/src/platform/linux.rs
@@ -1,4 +1,5 @@
 use crate::ResultType;
+use std::{collections::HashMap, process::Command};
 
 lazy_static::lazy_static! {
     pub static ref DISTRO: Distro = Distro::new();
@@ -155,3 +156,42 @@ fn run_loginctl(args: Option<Vec<&str>>) -> std::io::Result<std::process::Output
         .args(vec![String::from("--host"), l_args])
         .output()
 }
+
+/// forever: may not work
+#[cfg(target_os = "linux")]
+pub fn system_message(title: &str, msg: &str, forever: bool) -> ResultType<()> {
+    let cmds: HashMap<&str, Vec<&str>> = HashMap::from([
+        ("notify-send", [title, msg].to_vec()),
+        (
+            "zenity",
+            [
+                "--info",
+                "--timeout",
+                if forever { "0" } else { "3" },
+                "--title",
+                title,
+                "--text",
+                msg,
+            ]
+            .to_vec(),
+        ),
+        ("kdialog", ["--title", title, "--msgbox", msg].to_vec()),
+        (
+            "xmessage",
+            [
+                "-center",
+                "-timeout",
+                if forever { "0" } else { "3" },
+                title,
+                msg,
+            ]
+            .to_vec(),
+        ),
+    ]);
+    for (k, v) in cmds {
+        if Command::new(k).args(v).spawn().is_ok() {
+            return Ok(());
+        }
+    }
+    crate::bail!("failed to post system message");
+}
diff --git a/libs/hbb_common/src/platform/macos.rs b/libs/hbb_common/src/platform/macos.rs
new file mode 100644
index 000000000..0008c6266
--- /dev/null
+++ b/libs/hbb_common/src/platform/macos.rs
@@ -0,0 +1,55 @@
+use crate::ResultType;
+use osascript;
+use serde_derive::{Deserialize, Serialize};
+
+#[derive(Serialize)]
+struct AlertParams {
+    title: String,
+    message: String,
+    alert_type: String,
+    buttons: Vec<String>,
+}
+
+#[derive(Deserialize)]
+struct AlertResult {
+    #[serde(rename = "buttonReturned")]
+    button: String,
+}
+
+/// Alert dialog, return the clicked button value.
+///
+/// # Arguments
+///
+/// * `app` - The app to execute the script.
+/// * `alert_type` - Alert type. . informational, warning, critical
+/// * `title` - The alert title.
+/// * `message` - The alert message.
+/// * `buttons` - The buttons to show.
+pub fn alert(
+    app: String,
+    alert_type: String,
+    title: String,
+    message: String,
+    buttons: Vec<String>,
+) -> ResultType<String> {
+    let script = osascript::JavaScript::new(&format!(
+        "
+    var App = Application('{}');
+    App.includeStandardAdditions = true;
+    return App.displayAlert($params.title, {{
+        message: $params.message,
+        'as': $params.alert_type,
+        buttons: $params.buttons,
+    }});
+    ",
+        app
+    ));
+
+    let result: AlertResult = script.execute_with_params(AlertParams {
+        title,
+        message,
+        alert_type,
+        buttons,
+    })?;
+    Ok(result.button)
+}
diff --git a/libs/hbb_common/src/platform/mod.rs b/libs/hbb_common/src/platform/mod.rs
index 8daba257f..89a3a1569 100644
--- a/libs/hbb_common/src/platform/mod.rs
+++ b/libs/hbb_common/src/platform/mod.rs
@@ -1,2 +1,60 @@
 #[cfg(target_os = "linux")]
 pub mod linux;
+
+#[cfg(target_os = "macos")]
+pub mod macos;
+
+use crate::{config::Config, log};
+use std::process::exit;
+
+extern "C" fn breakdown_signal_handler(sig: i32) {
+    let mut stack = vec![];
+    backtrace::trace(|frame| {
+        backtrace::resolve_frame(frame, |symbol| {
+            if let Some(name) = symbol.name() {
+                stack.push(name.to_string());
+            }
+        });
+        true // keep going to the next frame
+    });
+    let mut info = String::default();
+    if stack.iter().any(|s| {
+        s.contains(&"nouveau_pushbuf_kick")
+            || s.to_lowercase().contains("nvidia")
+            || s.contains("gdk_window_end_draw_frame")
+    }) {
+        Config::set_option("allow-always-software-render".to_string(), "Y".to_string());
+        info = "Always use software rendering will be set.".to_string();
+        log::info!("{}", info);
+    }
+    log::error!(
+        "Got signal {} and exit. stack:\n{}",
+        sig,
+        stack.join("\n").to_string()
+    );
+    if !info.is_empty() {
+        #[cfg(target_os = "linux")]
+        linux::system_message(
+            "RustDesk",
+            &format!("Got signal {} and exit.{}", sig, info),
+            true,
+        )
+        .ok();
+        #[cfg(target_os = "macos")]
+        macos::alert(
+            "RustDesk".to_owned(),
+            "critical".to_owned(),
+            "Crashed".to_owned(),
+            format!("Got signal {} and exit.{}", sig, info),
+            ["Ok".to_owned()].to_vec(),
+        )
+        .ok();
+    }
+    exit(0);
+}
+
+pub fn register_breakdown_handler() {
+    unsafe {
+        libc::signal(libc::SIGSEGV, breakdown_signal_handler as _);
+    }
+}
diff --git a/libs/scrap/Cargo.toml b/libs/scrap/Cargo.toml
index e2eb43177..82cb88faf 100644
--- a/libs/scrap/Cargo.toml
+++ b/libs/scrap/Cargo.toml
@@ -16,7 +16,6 @@ mediacodec = ["ndk"]
 [dependencies]
 block = "0.1"
 cfg-if = "1.0"
-libc = "0.2"
 num_cpus = "1.13"
 lazy_static = "1.4"
 hbb_common = { path = "../hbb_common" }
diff --git a/libs/scrap/src/lib.rs b/libs/scrap/src/lib.rs
index 504f0a4b3..77070d1a2 100644
--- a/libs/scrap/src/lib.rs
+++ b/libs/scrap/src/lib.rs
@@ -2,7 +2,7 @@
 extern crate block;
 #[macro_use]
 extern crate cfg_if;
-pub extern crate libc;
+pub use hbb_common::libc;
 #[cfg(dxgi)]
 extern crate winapi;
 
diff --git a/libs/scrap/src/quartz/capturer.rs b/libs/scrap/src/quartz/capturer.rs
index 5be55ea22..cf442c2b4 100644
--- a/libs/scrap/src/quartz/capturer.rs
+++ b/libs/scrap/src/quartz/capturer.rs
@@ -1,7 +1,7 @@
 use std::ptr;
 
 use block::{Block, ConcreteBlock};
-use libc::c_void;
+use hbb_common::libc::c_void;
 use std::sync::{Arc, Mutex};
 
 use super::config::Config;
diff --git a/libs/scrap/src/quartz/config.rs b/libs/scrap/src/quartz/config.rs
index 11a6d5fc0..d5f992f0b 100644
--- a/libs/scrap/src/quartz/config.rs
+++ b/libs/scrap/src/quartz/config.rs
@@ -1,6 +1,6 @@
 use std::ptr;
 
-use libc::c_void;
+use hbb_common::libc::c_void;
 
 use super::ffi::*;
 
diff --git a/libs/scrap/src/quartz/ffi.rs b/libs/scrap/src/quartz/ffi.rs
index ca39c0a61..6b8c6e0e1 100644
--- a/libs/scrap/src/quartz/ffi.rs
+++ b/libs/scrap/src/quartz/ffi.rs
@@ -1,7 +1,7 @@
 #![allow(dead_code)]
 
 use block::RcBlock;
-use libc::c_void;
+use hbb_common::libc::c_void;
 
 pub type CGDisplayStreamRef = *mut c_void;
 pub type CFDictionaryRef = *mut c_void;
diff --git a/libs/scrap/src/x11/capturer.rs b/libs/scrap/src/x11/capturer.rs
index 0dcfcfdab..6486af55c 100644
--- a/libs/scrap/src/x11/capturer.rs
+++ b/libs/scrap/src/x11/capturer.rs
@@ -1,6 +1,6 @@
 use std::{io, ptr, slice};
 
-use libc;
+use hbb_common::libc;
 
 use super::ffi::*;
 use super::Display;
diff --git a/libs/scrap/src/x11/ffi.rs b/libs/scrap/src/x11/ffi.rs
index 5df5c46a8..500f57615 100644
--- a/libs/scrap/src/x11/ffi.rs
+++ b/libs/scrap/src/x11/ffi.rs
@@ -1,6 +1,6 @@
 #![allow(non_camel_case_types)]
 
-use libc::c_void;
+use hbb_common::libc::c_void;
 
 #[link(name = "xcb")]
 #[link(name = "xcb-shm")]
diff --git a/libs/scrap/src/x11/iter.rs b/libs/scrap/src/x11/iter.rs
index cb3310be9..406c27352 100644
--- a/libs/scrap/src/x11/iter.rs
+++ b/libs/scrap/src/x11/iter.rs
@@ -1,7 +1,7 @@
 use std::ptr;
 use std::rc::Rc;
 
-use libc;
+use hbb_common::libc;
 
 use super::ffi::*;
 use super::{Display, Rect, Server};
diff --git a/src/client.rs b/src/client.rs
index 51e7f9a29..8683dad1f 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -101,7 +101,7 @@ pub fn get_key_state(key: enigo::Key) -> bool {
 cfg_if::cfg_if! {
     if #[cfg(target_os = "android")] {
 
-use libc::{c_float, c_int, c_void};
+use hbb_common::libc::{c_float, c_int, c_void};
 type Oboe = *mut c_void;
 extern "C" {
     fn create_oboe_player(channels: c_int, sample_rate: c_int) -> Oboe;
diff --git a/src/core_main.rs b/src/core_main.rs
index e2f3f80e0..2619a1c07 100644
--- a/src/core_main.rs
+++ b/src/core_main.rs
@@ -1,4 +1,6 @@
 use hbb_common::log;
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+use hbb_common::platform::register_breakdown_handler;
 
 /// shared by flutter and sciter main function
 ///
@@ -38,10 +40,11 @@ pub fn core_main() -> Option<Vec<String>> {
         }
         i += 1;
     }
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    register_breakdown_handler();
     #[cfg(target_os = "linux")]
     #[cfg(feature = "flutter")]
     {
-        crate::platform::linux::register_breakdown_handler();
         let (k, v) = ("LIBGL_ALWAYS_SOFTWARE", "true");
         if !hbb_common::config::Config::get_option("allow-always-software-render").is_empty() {
             std::env::set_var(k, v);
diff --git a/src/platform/linux.rs b/src/platform/linux.rs
index 8fa95ac90..32c32efb9 100644
--- a/src/platform/linux.rs
+++ b/src/platform/linux.rs
@@ -1,10 +1,9 @@
 use super::{CursorData, ResultType};
+use hbb_common::libc::{c_char, c_int, c_long, c_void};
 pub use hbb_common::platform::linux::*;
 use hbb_common::{allow_err, bail, log};
-use libc::{c_char, c_int, c_void};
 use std::{
     cell::RefCell,
-    collections::HashMap,
     path::PathBuf,
     sync::{
         atomic::{AtomicBool, Ordering},
@@ -54,8 +53,8 @@ pub struct xcb_xfixes_get_cursor_image {
     pub height: u16,
     pub xhot: u16,
     pub yhot: u16,
-    pub cursor_serial: libc::c_long,
-    pub pixels: *const libc::c_long,
+    pub cursor_serial: c_long,
+    pub pixels: *const c_long,
 }
 
 pub fn get_cursor_pos() -> Option<(i32, i32)> {
@@ -637,91 +636,8 @@ pub fn get_double_click_time() -> u32 {
             settings,
             property.as_ptr(),
             &mut double_click_time as *mut u32,
-            0 as *const libc::c_void,
+            0 as *const c_void,
         );
         double_click_time
     }
 }
-
-/// forever: may not work
-pub fn system_message(title: &str, msg: &str, forever: bool) -> ResultType<()> {
-    let cmds: HashMap<&str, Vec<&str>> = HashMap::from([
-        ("notify-send", [title, msg].to_vec()),
-        (
-            "zenity",
-            [
-                "--info",
-                "--timeout",
-                if forever { "0" } else { "3" },
-                "--title",
-                title,
-                "--text",
-                msg,
-            ]
-            .to_vec(),
-        ),
-        ("kdialog", ["--title", title, "--msgbox", msg].to_vec()),
-        (
-            "xmessage",
-            [
-                "-center",
-                "-timeout",
-                if forever { "0" } else { "3" },
-                title,
-                msg,
-            ]
-            .to_vec(),
-        ),
-    ]);
-    for (k, v) in cmds {
-        if std::process::Command::new(k).args(v).spawn().is_ok() {
-            return Ok(());
-        }
-    }
-    bail!("failed to post system message");
-}
-
-extern "C" fn breakdown_signal_handler(sig: i32) {
-    let mut stack = vec![];
-    backtrace::trace(|frame| {
-        backtrace::resolve_frame(frame, |symbol| {
-            if let Some(name) = symbol.name() {
-                stack.push(name.to_string());
-            }
-        });
-        true // keep going to the next frame
-    });
-    let mut info = String::default();
-    if stack.iter().any(|s| {
-        s.contains(&"nouveau_pushbuf_kick")
-            || s.to_lowercase().contains("nvidia")
-            || s.contains("gdk_window_end_draw_frame")
-    }) {
-        hbb_common::config::Config::set_option(
-            "allow-always-software-render".to_string(),
-            "Y".to_string(),
-        );
-        info = "Always use software rendering will be set.".to_string();
-        log::info!("{}", info);
-    }
-    log::error!(
-        "Got signal {} and exit. stack:\n{}",
-        sig,
-        stack.join("\n").to_string()
-    );
-    if !info.is_empty() {
-        system_message(
-            "RustDesk",
-            &format!("Got signal {} and exit.{}", sig, info),
-            true,
-        )
-        .ok();
-    }
-    std::process::exit(0);
-}
-
-pub fn register_breakdown_handler() {
-    unsafe {
-        libc::signal(libc::SIGSEGV, breakdown_signal_handler as _);
-    }
-}
diff --git a/src/server/portable_service.rs b/src/server/portable_service.rs
index c783fef52..7514ead38 100644
--- a/src/server/portable_service.rs
+++ b/src/server/portable_service.rs
@@ -2,7 +2,7 @@ use core::slice;
 use hbb_common::{
     allow_err,
     anyhow::anyhow,
-    bail, log,
+    bail, libc, log,
     message_proto::{KeyEvent, MouseEvent},
     protobuf::Message,
     tokio::{self, sync::mpsc},
diff --git a/src/tray.rs b/src/tray.rs
index b449bbbd3..12523605d 100644
--- a/src/tray.rs
+++ b/src/tray.rs
@@ -1,4 +1,4 @@
-#[cfg(any(target_os = "windows"))]
+#[cfg(target_os = "windows")]
 use super::ui_interface::get_option_opt;
 #[cfg(target_os = "windows")]
 use std::sync::{Arc, Mutex};
@@ -80,7 +80,7 @@ pub fn start_tray() {
 /// Check if service is stoped.
 /// Return [`true`] if service is stoped, [`false`] otherwise.
 #[inline]
-#[cfg(any(target_os = "windows"))]
+#[cfg(target_os = "windows")]
 fn is_service_stopped() -> bool {
     if let Some(v) = get_option_opt("stop-service") {
         v == "Y"
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index 26038218e..f44bb4eea 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -128,7 +128,7 @@ pub fn get_license() -> String {
 }
 
 #[inline]
-#[cfg(any(target_os = "linux", target_os = "windows"))]
+#[cfg(target_os = "windows")]
 pub fn get_option_opt(key: &str) -> Option<String> {
     OPTIONS.lock().unwrap().get(key).map(|x| x.clone())
 }