diff --git a/components/bt/bluedroid/profiles/std/include/prf_defs.h b/components/bt/bluedroid/profiles/std/include/prf_defs.h
index bf053b31f..b9c03e3a5 100644
--- a/components/bt/bluedroid/profiles/std/include/prf_defs.h
+++ b/components/bt/bluedroid/profiles/std/include/prf_defs.h
@@ -28,7 +28,7 @@
 
 #define WX_AIRSYNC_CFG			1
 #define BUT_PROFILE_CFG			0
-#define HIDD_LE_PROFILE_CFG		0
+#define HIDD_LE_PROFILE_CFG		1
 
 /*
  * Type Definition
diff --git a/components/esp32/cpu_start.c b/components/esp32/cpu_start.c
index 7d875080b..7b2ccdc60 100644
--- a/components/esp32/cpu_start.c
+++ b/components/esp32/cpu_start.c
@@ -55,7 +55,7 @@ static bool app_cpu_started = false;
 static void do_global_ctors(void);
 static void main_task(void* args);
 extern void ets_setup_syscalls(void);
-extern void bt_app_main(void);
+extern void app_main(void);
 
 extern int _bss_start;
 extern int _bss_end;
@@ -166,7 +166,7 @@ static void do_global_ctors(void)
 
 static void main_task(void* args)
 {
-    bt_app_main();
+    app_main();
     vTaskDelete(NULL);
 }
 
diff --git a/examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c b/examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c
index 0b2009bf3..281698b4a 100644
--- a/examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c
+++ b/examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c
@@ -256,7 +256,7 @@ static void bt_app_dm_upstreams_evt(UINT16 event, char *p_param)
 
 #if (defined(BLE_INCLUDED) && (BLE_INCLUDED == TRUE))
         /* Enable local privacy */
-        BTA_DmBleConfigLocalPrivacy(BLE_LOCAL_PRIVACY_ENABLED);
+        //BTA_DmBleConfigLocalPrivacy(BLE_LOCAL_PRIVACY_ENABLED);
         do {
             const controller_t *controller = controller_get_interface();
             char bdstr[18];
@@ -374,7 +374,7 @@ static void bt_app_general_alarm_process(TIMER_LIST_ENT *p_tle)
  	 /*set connectable,discoverable, pairable and paired only modes of local device*/
         tBTA_DM_DISC disc_mode = BTA_DM_BLE_GENERAL_DISCOVERABLE;
        	tBTA_DM_CONN conn_mode = BTA_DM_BLE_CONNECTABLE;
-        //BTA_DmSetVisibility(disc_mode, conn_mode, (UINT8)BTA_DM_NON_PAIRABLE, (UINT8)BTA_DM_CONN_ALL);
+        BTA_DmSetVisibility(disc_mode, conn_mode, (UINT8)BTA_DM_NON_PAIRABLE, (UINT8)BTA_DM_CONN_ALL);
 
        gatts_server_test();
        //gattc_client_test();
diff --git a/examples/06_bluedroid_demos/main/demo_main.c b/examples/06_bluedroid_demos/main/demo_main.c
index b8b629629..4c9e71a16 100644
--- a/examples/06_bluedroid_demos/main/demo_main.c
+++ b/examples/06_bluedroid_demos/main/demo_main.c
@@ -1,6 +1,10 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "bt.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#include "string.h"
 
 
 extern void bte_main_boot_entry(void *);
@@ -15,8 +19,9 @@ void pingTask(void *pvParameters)
     }
 }
 
-void bt_app_main()
+void app_main()
 {
+    bt_controller_init();
     xTaskCreatePinnedToCore(&pingTask, "pingTask", 2048, NULL, 5, NULL, 0);
     bt_app_task_start_up();
     bte_main_boot_entry(bt_app_core_start);