diff --git a/protocol/reg_index.cpp b/protocol/reg_index.cpp
index 468c3ea..433b6d4 100644
--- a/protocol/reg_index.cpp
+++ b/protocol/reg_index.cpp
@@ -167,6 +167,7 @@ static reginfo_t table[] = {
     REG_ITERM(kreg_id_card_reader_raw_sector_size),
     REG_ITERM(kreg_id_card_reader_raw_sector_num),
     REG_ITERM(kreg_id_card_reader_is_online),
+    REG_ITERM(kreg_mini_servo_target_pos_tolerance),
 
     REG_ITERM(kreg_plate_code_scaner_laster_intensity),
     REG_ITERM(kreg_plate_code_scaner_scan_gain),
diff --git a/protocol/reg_index.hpp b/protocol/reg_index.hpp
index b0713d7..6534a28 100644
--- a/protocol/reg_index.hpp
+++ b/protocol/reg_index.hpp
@@ -193,6 +193,7 @@ typedef enum {
   kreg_mini_servo_current           = 10257,  // 电流 反馈当前工作电流值,单位为ma
   kreg_mini_servo_temperature       = 10258,  // 温度 反馈当前舵机内部工作温度,反馈精度为1摄氏度
   kreg_mini_servo_loadvalue         = 10259,  // 负载值 输出驱动电机的当前占空比电压,单位为0.1%,取值0-1000
+  kreg_mini_servo_target_pos_tolerance = 10260,  // 目标位置容忍度
 
   /***********************************************************************************************************************
    *                                                   ID_CARD_READER                                                    *