diff --git a/protocol/cmdid.cpp b/protocol/cmdid.cpp
index 05f32ce..f35592b 100644
--- a/protocol/cmdid.cpp
+++ b/protocol/cmdid.cpp
@@ -31,8 +31,6 @@ static cmdinfo_t table[] = {
     CMD_ITERM(kxymotor_motor_move_by_direct),
     CMD_ITERM(kxymotor_read_enc_direct),
 
-
-
     CMD_ITERM(ka8k_opt_v2_t_start_scan),
     CMD_ITERM(ka8k_opt_v2_f_start_scan),
     CMD_ITERM(ka8k_opt_v2_t_open_laster),
@@ -44,6 +42,7 @@ static cmdinfo_t table[] = {
 
     CMD_ITERM(kstep_motor_enable),
     CMD_ITERM(kstep_motor_read_pos),
+    CMD_ITERM(kstep_motor_read_enc_pos),
     CMD_ITERM(kstep_motor_easy_rotate),
     CMD_ITERM(kstep_motor_easy_move_by),
     CMD_ITERM(kstep_motor_easy_move_to),
diff --git a/protocol/cmdid.hpp b/protocol/cmdid.hpp
index ff4a932..8d6ab6b 100644
--- a/protocol/cmdid.hpp
+++ b/protocol/cmdid.hpp
@@ -12,7 +12,7 @@ typedef enum {
   kboard_reset = 0x0000,  //{} {}
 
   kevent_bus_reg_change_report = 0x0064,  //{regindex,oldval,toval}
-  
+
   kmodule_ping                      = 0x0100,  //{}{}
   kmodule_get_status                = 0x0104,  //{}{int32_t}
   kmodule_stop                      = 0x0101,  //{}{}
@@ -32,8 +32,7 @@ typedef enum {
   kxymotor_motor_move_by_direct     = 0x030a,  //
   kxymotor_read_enc_direct          = 0x030b,  //
 
-
-  ka8000_optical_read_raw                       = 0x0609,  //
+  ka8000_optical_read_raw = 0x0609,  //
 
   ka8k_opt_v2_t_start_scan   = 0x0700,  //(int32_t scanDirection, int32_t lasterGain,int32_t scanGain)
   ka8k_opt_v2_f_start_scan   = 0x0701,  //(int32_t scanDirection, int32_t lasterGain,int32_t scanGain)
@@ -46,6 +45,7 @@ typedef enum {
 
   kstep_motor_enable                        = 0x0201,  //
   kstep_motor_read_pos                      = 0x020b,  //
+  kstep_motor_read_enc_pos                  = 0x020c,  //
   kstep_motor_easy_rotate                   = 0x0211,  //
   kstep_motor_easy_move_by                  = 0x0212,  //
   kstep_motor_easy_move_to                  = 0x0213,  //