diff --git a/api/apibasic/reg_index.cpp b/api/apibasic/reg_index.cpp
index 42f4ce8..bb18f48 100644
--- a/api/apibasic/reg_index.cpp
+++ b/api/apibasic/reg_index.cpp
@@ -148,6 +148,8 @@ static reginfo_t table[] = {
     REG_ITERM(kreg_step_motor_tzerowait),
     REG_ITERM(kreg_step_motor_enc_resolution),
     REG_ITERM(kreg_step_motor_enable_enc),
+    REG_ITERM(kreg_step_motor_dzero_pos),
+    
     REG_ITERM(kreg_mini_servo_pos),
     REG_ITERM(kreg_mini_servo_limit_velocity),
     REG_ITERM(kreg_mini_servo_limit_torque),
diff --git a/api/apibasic/reg_index.hpp b/api/apibasic/reg_index.hpp
index 7c6e3c5..41ea23f 100644
--- a/api/apibasic/reg_index.hpp
+++ b/api/apibasic/reg_index.hpp
@@ -196,6 +196,7 @@ typedef enum {
   kreg_step_motor_tzerowait      = REG_INDEX(101, 50, 38),
   kreg_step_motor_enc_resolution = REG_INDEX(101, 50, 39),  // 编码器分辨率 1000,1024,4000,4096,16384
   kreg_step_motor_enable_enc     = REG_INDEX(101, 50, 40),  //
+  kreg_step_motor_dzero_pos      = REG_INDEX(101, 50, 41),  // 驱动器处于调试模式
 
   /***********************************************************************************************************************
    *                                                   MINI_STEP_MOTOR                                                   *