diff --git a/api/reg_index.hpp b/api/reg_index.hpp
index a036fe0..f3b9f4a 100644
--- a/api/reg_index.hpp
+++ b/api/reg_index.hpp
@@ -291,18 +291,20 @@ typedef enum {
    *                                smartADC                                     *
    *******************************************************************************/
   // scan action
-  kreg_boditech_optical_scan_type                 = REG_INDEX(42, 0, 0),  // 0 t光学，1 f光学
-  kreg_boditech_optical_scan_start_pos            = REG_INDEX(42, 0, 1),
-  kreg_boditech_optical_scan_direction            = REG_INDEX(42, 0, 2),
-  kreg_boditech_optical_scan_step_interval        = REG_INDEX(42, 0, 3),
-  kreg_boditech_optical_scan_pointnum             = REG_INDEX(42, 0, 4),
-  kreg_boditech_optical_channel_select_num        = REG_INDEX(42, 0, 5),
-  kreg_boditech_optical_laster_gain               = REG_INDEX(42, 0, 6),
-  kreg_boditech_optical_scan_gain                 = REG_INDEX(42, 0, 7),
-  kreg_boditech_optical_trf_uvled_on_duration_us  = REG_INDEX(42, 0, 8),
-  kreg_boditech_optical_trf_uvled_off_duration_us = REG_INDEX(42, 0, 9),
-  kreg_boditech_optical_trf_scan_delay_us         = REG_INDEX(42, 0, 10),
-  kreg_boditech_optical_trf_scan_duration_us      = REG_INDEX(42, 0, 11),
+  kreg_boditech_optical_scan_type                   = REG_INDEX(42, 0, 0),  // 0 t光学，1 f光学
+  kreg_boditech_optical_scan_start_pos              = REG_INDEX(42, 0, 1),
+  kreg_boditech_optical_scan_direction              = REG_INDEX(42, 0, 2),
+  kreg_boditech_optical_scan_step_interval          = REG_INDEX(42, 0, 3),
+  kreg_boditech_optical_scan_pointnum               = REG_INDEX(42, 0, 4),
+  kreg_boditech_optical_channel_select_num          = REG_INDEX(42, 0, 5),
+  kreg_boditech_optical_laster_gain                 = REG_INDEX(42, 0, 6),
+  kreg_boditech_optical_scan_gain                   = REG_INDEX(42, 0, 7),
+  kreg_boditech_optical_trf_uvled_on_duration_us    = REG_INDEX(42, 0, 8),
+  kreg_boditech_optical_trf_uvled_off_duration_us   = REG_INDEX(42, 0, 9),
+  kreg_boditech_optical_trf_scan_delay_us           = REG_INDEX(42, 0, 10),
+  kreg_boditech_optical_trf_scan_duration_us        = REG_INDEX(42, 0, 11),
+  kreg_boditech_optical_scan_gain_adjust_suggestion = REG_INDEX(42, 0, 12),
+  kreg_boditech_optical_adc_result_overflow         = REG_INDEX(42, 0, 13),
 
 } reg_index_t;