diff --git a/apps/main/apps.cpp b/apps/main/apps.cpp
index 18d291b..69196e5 100644
--- a/apps/main/apps.cpp
+++ b/apps/main/apps.cpp
@@ -821,33 +821,6 @@ extern "C" void app_bt_key(APP_KEY_STATUS *status, void *param) {
   }
 }
 
-#ifdef RB_CODEC
-extern bool app_rbcodec_check_hfp_active(void);
-void app_switch_player_key(APP_KEY_STATUS *status, void *param) {
-  TRACE(3, "%s %d,%d", __func__, status->code, status->event);
-
-  if (!rb_ctl_is_init_done()) {
-    TRACE(0, "rb ctl not init done");
-    return;
-  }
-
-  if (app_rbcodec_check_hfp_active()) {
-    app_bt_key(status, param);
-    return;
-  }
-
-  app_rbplay_audio_reset_pause_status();
-
-  if (app_rbplay_mode_switch()) {
-    app_voice_report(APP_STATUS_INDICATION_POWERON, 0);
-    app_rbcodec_ctr_play_onoff(true);
-  } else {
-    app_rbcodec_ctr_play_onoff(false);
-    app_voice_report(APP_STATUS_INDICATION_POWEROFF, 0);
-  }
-  return;
-}
-#endif
 
 void app_voice_assistant_key(APP_KEY_STATUS *status, void *param) {
   TRACE(2, "%s event %d", __func__, status->event);
diff --git a/apps/main/rb_codec.cpp b/apps/main/rb_codec.cpp
new file mode 100644
index 0000000..6a5daca
--- /dev/null
+++ b/apps/main/rb_codec.cpp
@@ -0,0 +1,29 @@
+
+
+#ifdef RB_CODEC
+extern bool app_rbcodec_check_hfp_active(void);
+void app_switch_player_key(APP_KEY_STATUS *status, void *param) {
+  TRACE(3, "%s %d,%d", __func__, status->code, status->event);
+
+  if (!rb_ctl_is_init_done()) {
+    TRACE(0, "rb ctl not init done");
+    return;
+  }
+
+  if (app_rbcodec_check_hfp_active()) {
+    app_bt_key(status, param);
+    return;
+  }
+
+  app_rbplay_audio_reset_pause_status();
+
+  if (app_rbplay_mode_switch()) {
+    app_voice_report(APP_STATUS_INDICATION_POWERON, 0);
+    app_rbcodec_ctr_play_onoff(true);
+  } else {
+    app_rbcodec_ctr_play_onoff(false);
+    app_voice_report(APP_STATUS_INDICATION_POWEROFF, 0);
+  }
+  return;
+}
+#endif