diff --git a/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c b/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
index 213785baa..f7754c458 100644
--- a/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
+++ b/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
@@ -129,9 +129,10 @@ static void sf_bluetooth_power_enable(void)
 static void *sf_bluetooth_piscan_task(void *arg)
 {
     UINT8 i = 0;
-    sf_bluetooth_power_enable();
+    // sf_bluetooth_power_enable();
     sf_load_bt_ko();
-    usleep(100 * 1000);
+    system("mdev -s");
+    usleep(300 * 1000);
     //system("export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/misc:/customer/rocus/lib");
     //system("adduser messagebus");