diff --git a/src/W800_SDK_v1.00.10/app/app_config.h b/src/W800_SDK_v1.00.10/app/app_config.h
index d490566..1acd8f9 100644
--- a/src/W800_SDK_v1.00.10/app/app_config.h
+++ b/src/W800_SDK_v1.00.10/app/app_config.h
@@ -99,6 +99,10 @@
 #define VIBRATION_MOTOR_ENABLE      WM_IO_PB_00
 #define VIBRATION_MOTOR_PWM_CHANNEL (0)
 
+/**
+ * @brief BLE advertised device name
+ * 
+ */
 #define BLE_DEVICE_NAME "MDBT42Q_W800SW"
 
 #endif //APP_CONFIG_H
\ No newline at end of file