diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index c19adf753..b923a31e1 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -114,6 +114,9 @@ Future<void> initEnv(String appType) async {
   _registerEventHandler();
   // Update the system theme.
   updateSystemWindowTheme();
+  if (appType == kAppTypeConnectionManager) {
+    await bind.cmStartListenIpcThread();
+  }
 }
 
 void runMainApp(bool startService) async {
diff --git a/src/client.rs b/src/client.rs
index 2ea33b655..020bea1f0 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -773,7 +773,6 @@ impl AudioHandler {
                         unsafe { std::slice::from_raw_parts::<u8>(buffer.as_ptr() as _, n * 4) };
                     self.simple.as_mut().map(|x| x.write(data_u8));
                 }
-                log::debug!("write Audio frame {} to system.", frame.timestamp);
             }
         });
     }
@@ -1595,7 +1594,6 @@ pub fn start_audio_thread(
             if let Ok(data) = audio_receiver.recv() {
                 match data {
                     MediaData::AudioFrame(af) => {
-                        log::debug!("recved audio frame={}", af.timestamp);
                         audio_handler.handle_frame(af);
                     }
                     MediaData::AudioFormat(f) => {
diff --git a/src/client/io_loop.rs b/src/client/io_loop.rs
index 05eab692a..c8a0f2ca3 100644
--- a/src/client/io_loop.rs
+++ b/src/client/io_loop.rs
@@ -300,7 +300,7 @@ impl<T: InvokeUiSession> Remote<T> {
                 // check if client is closed
                 match rx.try_recv() {
                     Ok(_) | Err(std::sync::mpsc::TryRecvError::Disconnected) => {
-                        log::debug!("Exit local audio service of client");
+                        log::debug!("Exit voice call audio service of client");
                         // unsubscribe
                         CLIENT_SERVER.write().unwrap().subscribe(
                             audio_service::NAME,
diff --git a/src/core_main.rs b/src/core_main.rs
index 99d0e888e..03d057eff 100644
--- a/src/core_main.rs
+++ b/src/core_main.rs
@@ -246,8 +246,6 @@ pub fn core_main() -> Option<Vec<String>> {
         } else if args[0] == "--cm" {
             // call connection manager to establish connections
             // meanwhile, return true to call flutter window to show control panel
-            #[cfg(feature = "flutter")]
-            crate::flutter::connection_manager::start_listen_ipc_thread();
             crate::ui_interface::start_option_status_sync();
         }
     }
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index cfca0e082..84407cd96 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -1284,6 +1284,10 @@ pub fn main_hide_docker() -> SyncReturn<bool> {
     SyncReturn(true)
 }
 
+pub fn cm_start_listen_ipc_thread() {
+    crate::flutter::connection_manager::start_listen_ipc_thread();
+}
+
 /// Start an ipc server for receiving the url scheme.
 ///
 /// * Should only be called in the main flutter window.