diff --git a/code/application/source/cardv/SrcCode/System/SysMain_cmd.c b/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
index 55e72f686..fc7c68c40 100755
--- a/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
+++ b/code/application/source/cardv/SrcCode/System/SysMain_cmd.c
@@ -286,6 +286,9 @@ SXCMD_ITEM("sfdump %", sf_vos_perf_list_dump, "sfdump")
 SXCMD_ITEM("sdfilesw %", sf_cmd_sd_file_switch, "sdfilesw")
 SXCMD_ITEM("lpatest %", sf_cmd_lpa_test, "lpatest")
 SXCMD_ITEM("fwup %", sf_cmd_fw_upgrade, "fwup")
+SXCMD_ITEM("modota %", sf_cmd_4g_ota_upgrade, "modota")
+
+
 #endif
 
 #if FS_MULTI_STRG_FUNC /* test cmd */
diff --git a/code/lib/source/sifar/code/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index 1ade701b9..c293815f7 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -221,4 +221,6 @@ int sf_cardv_init_start(void);
 void sf_cardv_set_battery_level(unsigned long Val);
 int sf_get_ota_flag(void);
 void sf_set_ota_flag(int falg);
+void sf_set_module_update_ota(UINT8 flag);
+BOOL sf_cmd_4g_ota_upgrade(unsigned char argc, char **argv);
 #endif
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index e451eadc4..2baf04db9 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -407,6 +407,19 @@ void sf_set_module_update(UINT8 flag)
 	ModuleUpdating = flag;
 }
 
+void sf_set_module_update_ota(UINT8 flag)
+{
+    SF_MESSAGE_BUF_S stMessageBuf = {0};
+    if(ModuleUpdating != flag)
+    {
+        stMessageBuf.arg2 = flag;
+        stMessageBuf.arg1 = SF_PARA_CMD_MOUP_OTA;
+        stMessageBuf.cmdId = CMD_PARA;
+        sf_com_message_send_to_app(&stMessageBuf);
+    }
+	ModuleUpdating = flag;
+}
+
 UINT8 sf_get_fw_update(void)
 {
 	return FwUpdate;
@@ -1417,6 +1430,14 @@ BOOL sf_cmd_ftp_ota(unsigned char argc, char **argv)
     
 	return TRUE;
 }
+BOOL sf_cmd_4g_ota_upgrade(unsigned char argc, char **argv)
+{
+    printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
+    sf_set_module_update_ota(1);
+    printf("[%s:%d] e\n", __FUNCTION__, __LINE__);
+    return TRUE;
+}
+
 BOOL sf_cmd_fw_upgrade(unsigned char argc, char **argv)
 {
     printf("[%s:%d] s\n", __FUNCTION__, __LINE__);