diff --git a/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h b/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
index cb0263b11871630efc36f711f1693d876beb6a3d..cb41a0bfa000ed7b7f79051f91a801e8e95b607c 100644
--- a/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
+++ b/interfaces/innerkits/samgr_proxy/include/system_ability_definition.h
@@ -236,6 +236,8 @@ enum {
     DISTRIBUTED_DEVICE_PROFILE_SA_ID                 = 6001,
     SUBSYS_ACE_SYS_ABILITY_ID_BEGIN                  = 7001,
     CA_DAEMON_ID                                     = 8001,
+    SUBSYS_IOT_SYS_ABILITY_ID_BEGIN                  = 9001,
+    SUBSYS_IOT_SYS_ABILITY_ID_END                    = 11000,	
     LAST_SYS_ABILITY_ID                              = 0x00ffffff,  // 16777215
 };