diff --git a/api/i_step_motor_ctrl_module.hpp b/api/i_step_motor_ctrl_module.hpp
index 986857d..f5b0235 100644
--- a/api/i_step_motor_ctrl_module.hpp
+++ b/api/i_step_motor_ctrl_module.hpp
@@ -75,6 +75,7 @@ class I_StepMotorCtrlModule {
   } logic_point_t;
 
   typedef struct {
+    bool          configInited;
     base_param_t  base_param;
     logic_point_t logic_point[5];
   } flash_config_t;