diff --git a/src/app/bleapp/wm_bt_app.c b/src/app/bleapp/wm_bt_app.c
index 6403c50..3278dab 100644
--- a/src/app/bleapp/wm_bt_app.c
+++ b/src/app/bleapp/wm_bt_app.c
@@ -167,14 +167,14 @@ tls_bt_init(uint8_t uart_idx)
     ble_hs_cfg.gatts_register_cb = on_svr_register_cb;
     ble_hs_cfg.store_status_cb = ble_store_util_status_rr;
     /* Initialize all packages. */
-    nimble_port_init();
+    nimble_port_init(); // 7 k ram gone --> 112691
     /*Application levels code entry*/
-    tls_ble_gap_init();
-    tls_bt_util_init();
+    tls_ble_gap_init(); // 0k ram gone
+    tls_bt_util_init(); // 0k ram gone
     /*Initialize the vuart interface and enable controller*/
-    ble_hci_vuart_init(uart_idx);
+    ble_hci_vuart_init(uart_idx); // 47k gone --> 65423
     /* As the last thing, process events from default event queue. */
-    tls_nimble_start();
+    tls_nimble_start(); // 3k gone --> 62175
 
     while(bt_adapter_state == WM_BT_STATE_OFF) {
         tls_os_time_delay(10);