diff --git a/components/bt/Kconfig b/components/bt/Kconfig
index 4e8e317927..669a001c5e 100644
--- a/components/bt/Kconfig
+++ b/components/bt/Kconfig
@@ -12,7 +12,7 @@ menu "BT UTILITY OPTION"
 visible if BT_ENABLED
 
 config BT_USE_ETS_PRINT
-	bool "BT use print which has lock"
+	bool "BT use print which has nolock"
 	default y
 	depends on BT_ENABLED
 	help
diff --git a/components/bt/bluedroid/osi/include/thread.h b/components/bt/bluedroid/osi/include/thread.h
index 11bf0f5850..7e287200e6 100644
--- a/components/bt/bluedroid/osi/include/thread.h
+++ b/components/bt/bluedroid/osi/include/thread.h
@@ -56,12 +56,12 @@ enum {
 #define BTU_TASK_STACK_SIZE			4096
 #define BTU_TASK_PRIO				(configMAX_PRIORITIES - 1)
 #define BTU_TASK_NAME				"btuT"
-#define BTU_QUEUE_NUM				30
+#define BTU_QUEUE_NUM				50
 
-#define BTC_TASK_QUEUE_NUM  		20
 #define BTC_TASK_STACK_SIZE 		CONFIG_BTC_TASK_STACK_SIZE	//by menuconfig
 #define BTC_TASK_NAME       		"btcT"
 #define BTC_TASK_PRIO       		(configMAX_PRIORITIES - 5)
+#define BTC_TASK_QUEUE_NUM  		20
 
 void btu_task_post(uint32_t sig);
 void hci_host_task_post(void);
diff --git a/components/bt/bluedroid/stack/btu/btu_init.c b/components/bt/bluedroid/stack/btu/btu_init.c
index b4309f42c4..150073c005 100644
--- a/components/bt/bluedroid/stack/btu/btu_init.c
+++ b/components/bt/bluedroid/stack/btu/btu_init.c
@@ -200,7 +200,7 @@ void BTU_StartUp(void)
         goto error_exit;
     }
 
-    xBtuQueue = xQueueCreate(60, sizeof(BtTaskEvt_t));
+    xBtuQueue = xQueueCreate(BTU_QUEUE_NUM, sizeof(BtTaskEvt_t));
     xTaskCreate(btu_task_thread_handler, BTU_TASK_NAME, BTU_TASK_STACK_SIZE, NULL, BTU_TASK_PRIO, &xBtuTaskHandle);
     btu_task_post(SIG_BTU_START_UP);
     /*