diff --git a/src/W800_SDK_v1.00.10/app/ble/gadget_bridge.c b/src/W800_SDK_v1.00.10/app/ble/gadget_bridge.c
index b8caa7f..e328141 100644
--- a/src/W800_SDK_v1.00.10/app/ble/gadget_bridge.c
+++ b/src/W800_SDK_v1.00.10/app/ble/gadget_bridge.c
@@ -16,6 +16,7 @@
 #include <string.h>
 #include "ble_service.h"
 #include "wm_mem.h"
+#include "utils.h"
 
 /* Internal enum definition */
 typedef enum gadget_bridge_parser_fsm
diff --git a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.c b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.c
index e0a2a23..a945c31 100644
--- a/src/W800_SDK_v1.00.10/app/gfx/compass_screen.c
+++ b/src/W800_SDK_v1.00.10/app/gfx/compass_screen.c
@@ -20,6 +20,7 @@ static const char *cardinals[] =
 static void gesture_event_cb(lv_event_t * e)
 {
     CompassScreen_t *compassScreen = e->user_data;
+    (void)compassScreen;
 
     lv_dir_t gesture;
     switch(gesture = lv_indev_get_gesture_dir(lv_indev_get_act()))