diff --git a/code/application/source/cardv/SrcCode/System/SysMain_cmd.c b/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
index ef5e621a0..2dea0e44e 100755
--- a/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
+++ b/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
@@ -263,7 +263,7 @@ SXCMD_ITEM("gprssw %", sf_cmd_gprs_switch, "gprssw 0/1")
 SXCMD_ITEM("uiprint %", sf_cmd_para_printf, "uiprint")
 SXCMD_ITEM("blusw %", cmd_blu_switch, "blusw 0/1")
 SXCMD_ITEM("wifisw %", cmd_wifi_switch, "wifisw 0/1")
-
+SXCMD_ITEM("lcdbk %", sf_set_backlight_status, "lcdbk 0/1")
 #endif