diff --git a/app/src/main.c b/app/src/main.c
index 67c2753..a3dd718 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -115,22 +115,19 @@ static void on_uart_data(uint8_t* data, int32_t len) {
     } else if (rx->cmd == kzble_cmd_read_version) {
       send_read_version_receipt(rx, FIRMWARE_VERSION, BLESTACK_VERSION, BOOTLOADER_VERSION, HARDWARE_VERSION);
     } else if (rx->cmd == kzble_cmd_start_scan) {
-      // TODO
-      // const char* slaveName, bool autoconnected
       zble_start_scan_t* param = (zble_start_scan_t*)rx->data;
       param->slaveName;
       param->autoConnect;
       NRF_LOG_INFO("on start scan cmd");
       NRF_LOG_INFO("slaveName   :%s", param->slaveName);
       NRF_LOG_INFO("autoConnect :%d", param->autoConnect);
-
       zble_master_sdk_rescan(param->slaveName, param->autoConnect);
-
       send_success_receipt(rx, NULL, 0);
     } else if (rx->cmd == kzble_cmd_stop_scan) {
       // TODO
       send_success_receipt(rx, NULL, 0);
     } else if (rx->cmd == kzble_cmd_set_in_dfu_mode) {
+      // TODO
       send_success_receipt(rx, NULL, 0);
     } else if (rx->cmd == kzble_cmd_clear_reset_flag) {
       nrf_gpio_pin_write(RESET_FLAG_STATE_GPIO, 0);