diff --git a/components/bt/bluedroid/bta/sys/bta_sys_main.c b/components/bt/bluedroid/bta/sys/bta_sys_main.c
index c5a94648c..48e1ecd00 100755
--- a/components/bt/bluedroid/bta/sys/bta_sys_main.c
+++ b/components/bt/bluedroid/bta/sys/bta_sys_main.c
@@ -512,7 +512,7 @@ void bta_sys_event(BT_HDR *p_msg)
     UINT8       id;
     BOOLEAN     freebuf = TRUE;
 
-    APPL_TRACE_EVENT("BTA got event 0x%x", p_msg->event);
+    APPL_TRACE_EVENT("BTA got event 0x%x\n", p_msg->event);
 
     /* get subsystem id from event */
     id = (UINT8) (p_msg->event >> 8);
@@ -524,7 +524,7 @@ void bta_sys_event(BT_HDR *p_msg)
     }
     else
     {
-        APPL_TRACE_WARNING("BTA got unregistered event id %d", id);
+        APPL_TRACE_WARNING("BTA got unregistered event id %d\n", id);
     }
 
     if (freebuf)
diff --git a/components/bt/bluedroid/profiles/core/bt_prf_task.c b/components/bt/bluedroid/profiles/core/bt_prf_task.c
new file mode 100644
index 000000000..def36b137
--- /dev/null
+++ b/components/bt/bluedroid/profiles/core/bt_prf_task.c
@@ -0,0 +1,72 @@
+/**
+ ****************************************************************************************
+ *
+ * @file bt_prf_task.c
+ *
+ * @brief Application entry point
+ *
+ * Copyright (C) Espressif 2016
+ * Created by Yulong at 2016/10/11
+ *
+ *
+ ****************************************************************************************
+ */
+
+#include "bt_prf_task.h"
+#include "allocator.h"
+#include "thread.h"
+#include "gki.h"
+
+ //thread_t *bt_workqueue_thread;
+ //static const char *BT_WORKQUEUE_NAME = "bt_workqueue";
+ xTaskHandle  xProfileTaskHandle = NULL;
+ xQueueHandle xProfileQueue = 0;
+
+ // Communication queue between bt_proflie_task and app.
+ extern fixed_queue_t *bt_profile_msg_queue;
+
+ 
+ /*****************************************************************************
+ **
+ ** Function		 bt_prf_task_thread_handler
+ **
+ ** Description 	 Process profile Task Thread.
+ ******************************************************************************/
+ void bt_prf_task_thread_handler(void *arg)
+ {
+	 //ke_event_clear(KE_EVENT_BTU_TASK_THREAD);
+ 
+	 TaskEvt_t *e;
+ 
+	 for (;;) {
+		 if (pdTRUE == xQueueReceive(xProfileQueue, &e, (portTickType)portMAX_DELAY)) {
+ 
+			 if (e->sig == SIG_BTU_WORK) {
+				 fixed_queue_process(bt_profile_msg_queue);
+			 }
+			 else if (e->sig == SIG_BTU_START_UP) {
+				 bt_prf_task_start_up();
+			 }
+			 osi_free(e); 
+		 }
+	 }
+ }
+
+void bt_profile_msg_ready(fixed_queue_t *queue) {
+    BT_HDR *p_msg;
+
+    while (!fixed_queue_is_empty(queue)) {
+        p_msg = (BT_HDR *)fixed_queue_dequeue(queue);
+    }
+}
+
+
+void bt_prf_task_start_up(void)
+{
+	 fixed_queue_register_dequeue(bt_profile_msg_queue, bt_profile_msg_ready);
+}
+
+
+
+
+
diff --git a/components/bt/bluedroid/profiles/core/include/bt_prf_task.h b/components/bt/bluedroid/profiles/core/include/bt_prf_task.h
new file mode 100644
index 000000000..6cb30905e
--- /dev/null
+++ b/components/bt/bluedroid/profiles/core/include/bt_prf_task.h
@@ -0,0 +1,46 @@
+/**
+ ****************************************************************************************
+ *
+ * @file bt_prf_task.h
+ *
+ * @brief Application entry point
+ *
+ * Copyright (C) Espressif 2016
+ * Created by Yulong at 2016/10/11
+ *
+ *
+ ****************************************************************************************
+ */
+
+#include <stddef.h> 
+#include "fixed_queue.h"
+
+#ifndef BT_PRF_TASK_H__
+#define BT_PRF_TASK_H__
+
+/* Functions provided by btu_core.c
+************************************
+*/
+
+
+void bt_prf_task_thread_handler(void *arg);
+
+void  bt_prf_init_core(void);
+void  bt_prf_free_core(void);
+
+void bt_prf_StartUp(void);
+void bt_prf_ShutDown(void);
+
+void bt_prf_task_start_up(void);
+void bt_prf_task_shut_down(void);
+
+void bt_profile_msg_ready(fixed_queue_t *queue);
+
+
+
+
+
+
+
+
+#endif		/// BT_PRF_TASK_H__
diff --git a/components/bt/bluedroid/profiles/core/include/profile_sys.h b/components/bt/bluedroid/profiles/core/include/profile_sys.h
new file mode 100644
index 000000000..8337b504e
--- /dev/null
+++ b/components/bt/bluedroid/profiles/core/include/profile_sys.h
@@ -0,0 +1,33 @@
+/**
+ ****************************************************************************************
+ *
+ * @file profile_sys.h
+ *
+ * @brief Application entry point
+ *
+ * Copyright (C) Espressif 2016
+ * Created by Yulong at 2016/10/12
+ *
+ *
+ ****************************************************************************************
+ */
+
+#ifndef _PROFILE_SYS_H__
+#define _PROFILE_SYS_H__
+
+enum
+{
+	PRF_ID_SYS,
+	PRF_ID_CONN,
+	PRF_ID_HIDD_LE,
+	PRF_ID_HIDH_LE,
+	PRF_ID_DISS_LE,
+	PRF_ID_DISC_LE,
+	PRF_ID_AIRSYNC_LE,
+	PRF_ID_ANCC_LE,
+	PRF_ID_BUT_LE
+};
+
+
+
+#endif	///_PROFILE_SYS_H__
\ No newline at end of file
diff --git a/components/bt/component.mk b/components/bt/component.mk
index cf2805bb7..65dc66434 100644
--- a/components/bt/component.mk
+++ b/components/bt/component.mk
@@ -9,6 +9,7 @@ COMPONENT_ADD_INCLUDEDIRS :=	bluedroid/bta/include			\
 				bluedroid/gki/include			\
 				bluedroid/hci/include			\
 				bluedroid/osi/include			\
+				bluedroid/profiles/core/include			\
 				bluedroid/profiles/esp/include		\
 				bluedroid/profiles/std/avrc/include	\
 				bluedroid/profiles/std/battery/include	\
@@ -48,6 +49,7 @@ COMPONENT_SRCDIRS := 	bluedroid/bta/dm			\
 			bluedroid/hci				\
 			bluedroid/main				\
 			bluedroid/osi				\
+			bluedroid/profiles/core		\
 			bluedroid/profiles/esp/ble_button	\
 			bluedroid/profiles/esp/wechat_AirSync	\
 			bluedroid/profiles/esp			\