diff --git a/src/lib.rs b/src/lib.rs
index 748d375b4..5dcd6389c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -56,3 +56,5 @@ pub mod clipboard_file;
 
 #[cfg(all(windows, feature = "with_rc"))]
 pub mod rc;
+#[cfg(target_os = "windows")]
+pub mod win_privacy;
diff --git a/src/main.rs b/src/main.rs
index 8bc375841..169515425 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,10 +2,9 @@
 // Requires Rust 1.18.
 //#![windows_subsystem = "windows"]
 
-#[cfg(not(feature = "flutter"))]
 use librustdesk::*;
 
-#[cfg(any(target_os = "android", target_os = "ios"))]
+#[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
 fn main() {
     if !common::global_init() {
         return;
@@ -33,11 +32,6 @@ fn main() {
     common::global_clean();
 }
 
-#[cfg(feature = "flutter")]
-fn main() {
-    hbb_common::log::info!("Hello world!");
-}
-
 #[cfg(feature = "cli")]
 fn main() {
     if !common::global_init() {
diff --git a/src/platform/windows.rs b/src/platform/windows.rs
index 17f275c2a..bd6a1fc4c 100644
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@@ -833,8 +833,8 @@ fn get_default_install_path() -> String {
 
 pub fn check_update_broker_process() -> ResultType<()> {
     // let (_, path, _, _) = get_install_info();
-    let process_exe = crate::ui::win_privacy::INJECTED_PROCESS_EXE;
-    let origin_process_exe = crate::ui::win_privacy::ORIGIN_PROCESS_EXE;
+    let process_exe = crate::win_privacy::INJECTED_PROCESS_EXE;
+    let origin_process_exe = crate::win_privacy::ORIGIN_PROCESS_EXE;
 
     let exe_file = std::env::current_exe()?;
     if exe_file.parent().is_none() {
@@ -919,8 +919,8 @@ pub fn copy_exe_cmd(src_exe: &str, _exe: &str, path: &str) -> String {
         ",
         main_exe = main_exe,
         path = path,
-        ORIGIN_PROCESS_EXE = crate::ui::win_privacy::ORIGIN_PROCESS_EXE,
-        broker_exe = crate::ui::win_privacy::INJECTED_PROCESS_EXE,
+        ORIGIN_PROCESS_EXE = crate::win_privacy::ORIGIN_PROCESS_EXE,
+        broker_exe = crate::win_privacy::INJECTED_PROCESS_EXE,
     );
 }
 
@@ -938,7 +938,7 @@ pub fn update_me() -> ResultType<()> {
         {lic}
     ",
         copy_exe = copy_exe_cmd(&src_exe, &exe, &path),
-        broker_exe = crate::ui::win_privacy::INJECTED_PROCESS_EXE,
+        broker_exe = crate::win_privacy::INJECTED_PROCESS_EXE,
         app_name = crate::get_app_name(),
         lic = register_licence(),
         cur_pid = get_current_pid(),
@@ -1203,7 +1203,7 @@ fn get_before_uninstall() -> String {
     netsh advfirewall firewall delete rule name=\"{app_name} Service\"
     ",
         app_name = app_name,
-        broker_exe = crate::ui::win_privacy::INJECTED_PROCESS_EXE,
+        broker_exe = crate::win_privacy::INJECTED_PROCESS_EXE,
         ext = ext,
         cur_pid = get_current_pid(),
     )
diff --git a/src/server/connection.rs b/src/server/connection.rs
index 9ce53c960..53ccd7008 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -2045,7 +2045,7 @@ mod privacy_mode {
     pub(super) fn turn_off_privacy(_conn_id: i32) -> Message {
         #[cfg(windows)]
         {
-            use crate::ui::win_privacy::*;
+            use crate::win_privacy::*;
 
             let res = turn_off_privacy(_conn_id, None);
             match res {
@@ -2069,7 +2069,7 @@ mod privacy_mode {
     pub(super) fn turn_on_privacy(_conn_id: i32) -> ResultType<bool> {
         #[cfg(windows)]
         {
-            let plugin_exist = crate::ui::win_privacy::turn_on_privacy(_conn_id)?;
+            let plugin_exist = crate::win_privacy::turn_on_privacy(_conn_id)?;
             Ok(plugin_exist)
         }
         #[cfg(not(windows))]
diff --git a/src/server/video_service.rs b/src/server/video_service.rs
index 57fdf2c22..bc9c5ff6f 100644
--- a/src/server/video_service.rs
+++ b/src/server/video_service.rs
@@ -207,7 +207,7 @@ fn create_capturer(
     if privacy_mode_id > 0 {
         #[cfg(windows)]
         {
-            use crate::ui::win_privacy::*;
+            use crate::win_privacy::*;
 
             match scrap::CapturerMag::new(
                 display.origin(),
@@ -308,11 +308,11 @@ pub fn test_create_capturer(privacy_mode_id: i32, timeout_millis: u64) -> bool {
 fn check_uac_switch(privacy_mode_id: i32, capturer_privacy_mode_id: i32) -> ResultType<()> {
     if capturer_privacy_mode_id != 0 {
         if privacy_mode_id != capturer_privacy_mode_id {
-            if !crate::ui::win_privacy::is_process_consent_running()? {
+            if !crate::win_privacy::is_process_consent_running()? {
                 bail!("consent.exe is running");
             }
         }
-        if crate::ui::win_privacy::is_process_consent_running()? {
+        if crate::win_privacy::is_process_consent_running()? {
             bail!("consent.exe is running");
         }
     }
@@ -372,7 +372,7 @@ fn get_capturer(use_yuv: bool, portable_service_running: bool) -> ResultType<Cap
     let mut capturer_privacy_mode_id = privacy_mode_id;
     #[cfg(windows)]
     if capturer_privacy_mode_id != 0 {
-        if crate::ui::win_privacy::is_process_consent_running()? {
+        if crate::win_privacy::is_process_consent_running()? {
             capturer_privacy_mode_id = 0;
         }
     }
@@ -957,7 +957,7 @@ fn start_uac_elevation_check() {
         if !crate::platform::is_installed() && !crate::platform::is_root() {
             std::thread::spawn(|| loop {
                 std::thread::sleep(std::time::Duration::from_secs(1));
-                if let Ok(uac) = crate::ui::win_privacy::is_process_consent_running() {
+                if let Ok(uac) = crate::win_privacy::is_process_consent_running() {
                     *IS_UAC_RUNNING.lock().unwrap() = uac;
                 }
                 if !crate::platform::is_elevated(None).unwrap_or(false) {
diff --git a/src/ui.rs b/src/ui.rs
index aede5fe7a..ce97745fb 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -23,8 +23,6 @@ pub mod inline;
 #[cfg(target_os = "macos")]
 pub mod macos;
 pub mod remote;
-#[cfg(target_os = "windows")]
-pub mod win_privacy;
 
 pub type Children = Arc<Mutex<(bool, HashMap<(String, String), Child>)>>;
 #[allow(dead_code)]
diff --git a/src/ui_cm_interface.rs b/src/ui_cm_interface.rs
index de33b0169..f5c575d43 100644
--- a/src/ui_cm_interface.rs
+++ b/src/ui_cm_interface.rs
@@ -494,7 +494,7 @@ pub async fn start_ipc<T: InvokeUiCM>(cm: ConnectionManager<T>) {
                 e
             );
         }
-        allow_err!(crate::ui::win_privacy::start());
+        allow_err!(crate::win_privacy::start());
     });
 
     match ipc::new_listener("_cm").await {
diff --git a/src/ui/win_privacy.rs b/src/win_privacy.rs
similarity index 100%
rename from src/ui/win_privacy.rs
rename to src/win_privacy.rs