diff --git a/transmit_disfection_protocol.hpp b/transmit_disfection_protocol.hpp
index 7d613eb..6be60b3 100644
--- a/transmit_disfection_protocol.hpp
+++ b/transmit_disfection_protocol.hpp
@@ -206,7 +206,8 @@ typedef enum {
    *  打开/关闭
    *  电流上报
    */
-  kfn_air_tightness_test_ac_ctrl = 1200,
+  kfn_air_tightness_test_ac_ctrl    = 1200,
+  kfn_air_tightness_test_ac_is_open = 1201,
 
   /***********************************************************************************************************************
    *                                                   压力传感器数据上报                                                  *