diff --git a/services/core/src/standby_service_impl.cpp b/services/core/src/standby_service_impl.cpp
index 102473c8abfee0c21db66a214b0e31407b6c678c..4a48ecd66a641bc957a681ca731405d905345fdf 100644
--- a/services/core/src/standby_service_impl.cpp
+++ b/services/core/src/standby_service_impl.cpp
@@ -1637,11 +1637,14 @@ void StandbyServiceImpl::DumpUsage(std::string& result)
     "        {--poweroff}                                        power off strategy\n"
     "        {--powersave}                                       enable power save firwwall\n"
     "        {--halfhour}                                        screen off for half hour\n"
+    "    -O                                                 show the subscriber list:\n"
     "    -T  {switch name} {on or off}                      turn on or turn off some switches, switch can be debug,\n"
     "                                                            nap_switch, sleep_switch, detect_motion, other\n"
     "                                                            switch only be used after open debug switch\n"
     "    -C  {parameter name} {parameter value}             change config parameter, only can be used when debug\n"
     "    -P                                                 sending network limiting and restoring network broadcasts\n"
+    "    --poweroverused {module name} {level}              send module power overused:\n"
+    "    --actionchanged {module name} {action}             send module aciton changed:\n"
     "        {--whitelist} {parameter value}                send whitelist changes event\n"
     "        {--ctrinetwork}                                send network limiting broadcasts\n"
     "        {--restorectrlnetwork}                         send restore network broadcasts\n";