diff --git a/api/apibasic/reg_index.cpp b/api/apibasic/reg_index.cpp
index 677a908..e89ebdd 100644
--- a/api/apibasic/reg_index.cpp
+++ b/api/apibasic/reg_index.cpp
@@ -13,6 +13,8 @@ static reginfo_t table[] = {
     REG_ITERM(kreg_module_status),
     REG_ITERM(kreg_module_errorcode),
 
+    REG_ITERM(kreg_extboard_resetflag),
+
     REG_ITERM(kreg_water_cooling_tmp_controler_pid_target),
     REG_ITERM(kreg_water_cooling_tmp_controler_pid_nowoutput),
     REG_ITERM(kreg_water_cooling_tmp_controler_pid_feedbackval),
diff --git a/api/apibasic/reg_index.hpp b/api/apibasic/reg_index.hpp
index 0ac43a7..aed0cc5 100644
--- a/api/apibasic/reg_index.hpp
+++ b/api/apibasic/reg_index.hpp
@@ -14,6 +14,11 @@ typedef enum {
   kreg_module_status    = 2,  // 0idle,1busy,2error
   kreg_module_errorcode = 3,  // inited_flag
 
+  /*******************************************************************************
+   *                             板子模块                                        *
+   *******************************************************************************/
+  kreg_extboard_resetflag = 100,  // 板子复位标识
+
   /***********************************************************************************************************************
    *                                                   水冷温度控制器                                                    *
    ***********************************************************************************************************************/