diff --git a/src/backupSession.c b/src/backupSession.c
index 7390757..f4bc14b 100644
--- a/src/backupSession.c
+++ b/src/backupSession.c
@@ -595,7 +595,8 @@ void load_download(mxml_node_t *tree,struct cwmp *cwmp)
 		}
 	}
 	list_add (&(download_request->list), ilist->prev);
-	count_download_queue++;
+	if(download_request->scheduled_time != 0)
+		count_download_queue++;
 }
 
 void load_transfer_complete(mxml_node_t	*tree,struct cwmp *cwmp)
diff --git a/src/external.c b/src/external.c
index df238a7..b010916 100644
--- a/src/external.c
+++ b/src/external.c
@@ -57,13 +57,13 @@ inline void external_free_list_value_change()
 	parameter_container_delete_all(&external_list_value_change);
 }
 
-void external_downloadResp (char *fault_code)
+void external_downloadFaultResp (char *fault_code)
 {
 	FREE(external_MethodFault);
 	external_MethodFault = fault_code ? strdup(fault_code) : NULL;
 }
 
-void external_fetch_downloadResp (char **fault)
+void external_fetch_downloadFaultResp (char **fault)
 {
 	*fault = external_MethodFault;
 	external_MethodFault = NULL;
@@ -412,9 +412,8 @@ int external_simple(char *arg)
 	return 0;
 }
 
-int external_download(char *url, char *size, char *type, char *user, char *pass, time_t scheduled_time)
+int external_download(char *url, char *size, char *type, char *user, char *pass)
 {
-	char			delay[256];
 	CWMP_LOG(INFO,"executing download url '%s'", url);
 
 	if ((uproc.pid = fork()) == -1)
@@ -445,9 +444,6 @@ int external_download(char *url, char *size, char *type, char *user, char *pass,
 			argv[i++] = "--pass";
 			argv[i++] = pass;
 		}
-		sprintf(delay,"%ld",scheduled_time);
-		argv[i++] = "--delay";
-		argv[i++] = delay;
 		argv[i++] = NULL;
 
 		execvp(argv[0], (char **) argv);
diff --git a/src/inc/external.h b/src/inc/external.h
index cacf05e..e4e4a75 100644
--- a/src/inc/external.h
+++ b/src/inc/external.h
@@ -26,8 +26,8 @@ extern pthread_mutex_t external_mutex_value_change;
 extern struct list_head external_list_value_change;
 extern struct list_head external_list_parameter;
 
-void external_downloadResp (char *fault_code);
-void external_fetch_downloadResp (char **fault_code);
+void external_downloadFaultResp (char *fault_code);
+void external_fetch_downloadFaultResp (char **fault_code);
 void external_setParamValRespStatus (char *status);
 void external_fetch_setParamValRespStatus (char **status);
 void external_setParamAttrResp (char *status, char *fault);
@@ -42,7 +42,7 @@ int external_get_action_execute();
 int external_set_action_write(char *action, char *name, char *value, char *change);
 int external_set_action_execute(char *action);
 int external_simple(char *arg);
-int external_download(char *url, char *size, char *type, char *user, char *pass, time_t scheduled_time);
+int external_download(char *url, char *size, char *type, char *user, char *pass);
 int external_apply_download(char *type);
 void external_add_list_paramameter(char *param_name, char *param_data, char *param_type, char *fault_code);
 void external_free_list_parameter();
diff --git a/src/scripts/freecwmp.sh b/src/scripts/freecwmp.sh
index 7479644..d3e076e 100644
--- a/src/scripts/freecwmp.sh
+++ b/src/scripts/freecwmp.sh
@@ -19,9 +19,8 @@ DEFINE_boolean 'force' false 'force getting values for certain parameters' 'f'
 DEFINE_string 'url' '' 'file to download [download only]' 'u'
 DEFINE_string 'size' '' 'size of file to download [download only]' 's'
 DEFINE_string 'type' '' 'type of file to download [download only]' 't'
-DEFINE_string 'user' '' 'username for downloading file [download only]' 'a'
-DEFINE_string 'pass' '' 'password for downloading file [download only]' 'p'
-DEFINE_string 'delay' '' 'scheduled_time for downloading file [download only]' 'y'
+DEFINE_string 'user' '' 'username for downloading file [download only]' 'U'
+DEFINE_string 'pass' '' 'password for downloading file [download only]' 'P'
 
 FLAGS_HELP=`cat << EOF
 USAGE: $0 [flags] command [parameter] [values]
@@ -441,10 +440,6 @@ if [ "$action" = "download" ]; then
 					rm /tmp/firmware_upgrade_image_last_valid 2> /dev/null
 					mv /tmp/firmware_upgrade_image /tmp/firmware_upgrade_image_last_valid 2> /dev/null
 					freecwmp_fault_output "" "$FAULT_CPE_NO_FAULT"
-					if [ "${FLAGS_delay}" = "0" ];then
-						echo "/bin/sh /usr/sbin/freecwmp apply download --type ${FLAGS_type}" > /tmp/end_session.sh
-						ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 command '{ "command": "action_end_session" }' 2> /dev/null
-					fi
 				fi
 			else
 				let fault_code=$fault_code+$FAULT_CPE_DOWNLOAD_FAIL_FILE_CORRUPTED
@@ -454,17 +449,9 @@ if [ "$action" = "download" ]; then
 		elif [ "${FLAGS_type}" = "2" ];then
 			mv /tmp/freecwmp_download /tmp/web_content.ipk 2> /dev/null
 			freecwmp_fault_output "" "$FAULT_CPE_NO_FAULT"
-			if [ "${FLAGS_delay}" = "0" ];then
-				echo "/bin/sh /usr/sbin/freecwmp apply download --type ${FLAGS_type}" > /tmp/end_session.sh
-				ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 command '{ "command": "action_end_session" }' 2> /dev/null
-			fi
 		elif [ "${FLAGS_type}" = "3" ];then
 			mv /tmp/freecwmp_download /tmp/vendor_configuration_file.cfg 2> /dev/null
 			freecwmp_fault_output "" "$FAULT_CPE_NO_FAULT"
-			if [ "${FLAGS_delay}" = "0" ];then
-				echo "/bin/sh /usr/sbin/freecwmp apply download --type ${FLAGS_type}" > /tmp/end_session.sh
-				ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 command '{ "command": "action_end_session" }' 2> /dev/null
-			fi
 		else
 			let fault_code=$fault_code+$FAULT_CPE_DOWNLOAD_FAILURE
 			freecwmp_fault_output "" "$fault_code"
diff --git a/src/scripts/functions/common b/src/scripts/functions/common
index 4f0809d..8cf5261 100644
--- a/src/scripts/functions/common
+++ b/src/scripts/functions/common
@@ -94,7 +94,7 @@ freecwmp_fault_output() {
 		ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 SetParameterAttributes '{"success": "'$success'", "fault_code": "'$fault_code'"}' 2> /dev/null
 		;;
 		*download)
-		ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 download '{"fault_code": "'$fault_code'"}' 2> /dev/null
+		ubus ${UBUS_SOCKET:+-s $UBUS_SOCKET} call tr069 downloadFault '{"fault_code": "'$fault_code'"}' 2> /dev/null
 		;;
 	esac
 }
@@ -430,7 +430,7 @@ freecwmp_execute_functions()
 
 freecwmp_check_image()
 {
-	. /etc/functions.sh; include /lib/upgrade; platform_check_image /tmp/freecwmp_download
+	. /etc/functions.sh; include /lib/upgrade; platform_check_image /tmp/firmware_upgrade_image
 	return $?
 }
 
diff --git a/src/ubus.c b/src/ubus.c
index 3a676d1..7c8bebf 100644
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -62,27 +62,27 @@ static enum download_fault {
 	__DOWNLOAD_MAX
 };
 
-static const struct blobmsg_policy download_policy[] = {
+static const struct blobmsg_policy download_fault_policy[] = {
 	[DOWNLOAD_FAULT] = { .name = "fault_code", .type = BLOBMSG_TYPE_STRING },
 };
 
 static int
-freecwmpd_handle_download(struct ubus_context *ctx, struct ubus_object *obj,
+freecwmpd_handle_downloadFault(struct ubus_context *ctx, struct ubus_object *obj,
 			struct ubus_request_data *req, const char *method,
 			struct blob_attr *msg)
 {
 	int tmp;
 	struct blob_attr *tb[__DOWNLOAD_MAX];
 
-	blobmsg_parse(download_policy, ARRAY_SIZE(download_policy), tb,
+	blobmsg_parse(download_fault_policy, ARRAY_SIZE(download_fault_policy), tb,
 		      blob_data(msg), blob_len(msg));
 
 	if (!tb[DOWNLOAD_FAULT])
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
-	CWMP_LOG(INFO,"triggered ubus download %s", blobmsg_data(tb[DOWNLOAD_FAULT]));
+	CWMP_LOG(INFO,"triggered ubus downloadFault %s", blobmsg_data(tb[DOWNLOAD_FAULT]));
 
-	external_downloadResp (blobmsg_data(tb[DOWNLOAD_FAULT]));
+	external_downloadFaultResp (blobmsg_data(tb[DOWNLOAD_FAULT]));
 
 	return 0;
 }
@@ -432,7 +432,7 @@ freecwmpd_handle_delObject(struct ubus_context *ctx, struct ubus_object *obj,
 
 static const struct ubus_method freecwmp_methods[] = {
 	UBUS_METHOD("notify", freecwmpd_handle_notify, notify_policy),
-	UBUS_METHOD("download", freecwmpd_handle_download, download_policy),
+	UBUS_METHOD("downloadFault", freecwmpd_handle_downloadFault, download_fault_policy),
 	UBUS_METHOD("GetParameterValues", freecwmpd_handle_getParamValues, getParamValues_policy),
 	UBUS_METHOD("SetParameterValuesFault", freecwmpd_handle_setParamValuesFault, setParamValuesFault_policy),
 	UBUS_METHOD("SetParameterValuesStatus", freecwmpd_handle_setParamValuesStatus, setParamValuesStatus_policy),
diff --git a/src/xml.c b/src/xml.c
index 91f8559..da07ecb 100644
--- a/src/xml.c
+++ b/src/xml.c
@@ -1770,19 +1770,12 @@ int cwmp_launch_download(struct download *pdownload, struct transfer_complete **
 
     download_startTime = mix_get_time();
 
-    if(pdownload->scheduled_time != 0)
-    {
-    	bkp_session_delete_download(pdownload);
-    	bkp_session_save();
-    }
+    bkp_session_delete_download(pdownload);
+    bkp_session_save();
 
     sprintf(file_size,"%d",pdownload->file_size);
-    if(external_download(pdownload->url, file_size, pdownload->file_type, pdownload->username, pdownload->password, pdownload->scheduled_time))
-    {
-    	error = FAULT_CPE_DOWNLOAD_FAILURE;
-    }
-
-    external_fetch_downloadResp(&fault_code);
+    external_download(pdownload->url, file_size, pdownload->file_type, pdownload->username, pdownload->password);
+    external_fetch_downloadFaultResp(&fault_code);
 
     if(fault_code != NULL)
     {
@@ -1810,7 +1803,7 @@ int cwmp_launch_download(struct download *pdownload, struct transfer_complete **
 	p->command_key			= strdup(pdownload->command_key);
 	p->start_time 			= download_startTime;
 	p->complete_time		= mix_get_time();
-	if(error)
+	if(error != FAULT_CPE_NO_FAULT)
 	{
 		p->fault_code 		= error;
 	}
@@ -1839,7 +1832,10 @@ void *thread_cwmp_rpc_cpe_download (void *v)
     {
     	pdownload = list_entry(list_download.next,struct download, list);
         current_time    = time(NULL);
-        timeout = current_time - pdownload->scheduled_time;
+        if(pdownload->scheduled_time != 0)
+			timeout = current_time - pdownload->scheduled_time;
+        else
+        	timeout = 0;
         if((timeout >= 0)&&(timeout > time_of_grace))
 		{
         	pthread_mutex_lock (&mutex_download);
@@ -1859,7 +1855,8 @@ void *thread_cwmp_rpc_cpe_download (void *v)
 				cwmp_root_cause_TransferComplete (cwmp,ptransfer_complete);
 			}
 			list_del (&(pdownload->list));
-			count_download_queue--;
+			if(pdownload->scheduled_time != 0)
+				count_download_queue--;
 			cwmp_free_download_request(pdownload);
 			pthread_mutex_unlock (&mutex_download);
 		}
@@ -1873,7 +1870,7 @@ void *thread_cwmp_rpc_cpe_download (void *v)
     			cwmp_root_cause_TransferComplete (cwmp,ptransfer_complete);
     		}
     		external_apply_download(pdownload->file_type);
-    		external_fetch_downloadResp(&fault_code);
+    		external_fetch_downloadFaultResp(&fault_code);
     		if(fault_code != NULL)
     		{
     			if(strcmp(fault_code,"0") != 0)
@@ -1898,7 +1895,8 @@ void *thread_cwmp_rpc_cpe_download (void *v)
 			pthread_cond_signal (&(cwmp->threshold_session_send));
 			pthread_mutex_lock (&mutex_download);
 			list_del (&(pdownload->list));
-			count_download_queue--;
+			if(pdownload->scheduled_time != 0)
+				count_download_queue--;
 			cwmp_free_download_request(pdownload);
 			pthread_mutex_unlock (&mutex_download);
             continue;
@@ -1951,7 +1949,8 @@ int cwmp_scheduledDownload_remove_all()
 		download = list_entry(list_download.next,struct download, list);
 		list_del (&(download->list));
 		bkp_session_delete_download(download);
-		count_download_queue--;
+		if(download->scheduled_time != 0)
+			count_download_queue--;
 		cwmp_free_download_request(download);
 	}
 	pthread_mutex_unlock (&mutex_download);
@@ -2109,86 +2108,47 @@ int cwmp_handle_rpc_cpe_download(struct session *session, struct rpc *rpc)
 
 	if(error == FAULT_CPE_NO_FAULT)
 	{
-		if(download_delay == 0)
-		{
-			bkp_session_insert_download(download);
-			bkp_session_save();
-			error = cwmp_launch_download(download,&ptransfer_complete);
-			if(error != FAULT_CPE_NO_FAULT)
-			{
-				if(cwmp_root_cause_TransferComplete (&cwmp_main, ptransfer_complete) != CWMP_OK)
-				{
-					cwmp_free_download_request(download);
-					return -1;
-				}
-			}
-//			else
-//			{
-//				external_apply_download(download->file_type);
-//				external_fetch_downloadResp(&fault_code);
-//				if(fault_code != NULL)
-//				{
-//					if(strcmp(fault_code,"0") != 0)
-//					{
-//						for(i=0;i<__FAULT_CPE_MAX;i++)
-//						{
-//							if(strcmp(FAULT_CPE_ARRAY[i].CODE,fault_code) == 0)
-//							{
-//								error = i;
-//								break;
-//							}
-//						}
-//					}
-//					free(fault_code);
-//					bkp_session_delete_transfer_complete(ptransfer_complete);
-//					ptransfer_complete->fault_code = atoi(fault_code);
-//					bkp_session_insert_transfer_complete(ptransfer_complete);
-//					bkp_session_save();
-//					cwmp_root_cause_TransferComplete (&cwmp_main,ptransfer_complete);
-//				}
-//			}
-			cwmp_free_download_request(download);
-		}
-		else
-		{
-			pthread_mutex_lock (&mutex_download);
+		pthread_mutex_lock (&mutex_download);
+		if(download_delay != 0)
 			scheduled_time = time(NULL) + download_delay;
 
-			list_for_each(ilist,&(list_download))
+		list_for_each(ilist,&(list_download))
+		{
+			idownload = list_entry(ilist,struct download, list);
+			if (idownload->scheduled_time == scheduled_time)
 			{
-				idownload = list_entry(ilist,struct download, list);
-				if (idownload->scheduled_time == scheduled_time)
-				{
-					pthread_mutex_unlock (&mutex_download);
-					return 0;
-				}
-				if (idownload->scheduled_time > scheduled_time)
-				{
-					cond_signal = true;
-					break;
-				}
+				pthread_mutex_unlock (&mutex_download);
+				return 0;
 			}
-			list_add (&(download->list), ilist->prev);
+			if (idownload->scheduled_time > scheduled_time)
+			{
+				cond_signal = true;
+				break;
+			}
+		}
+		list_add (&(download->list), ilist->prev);
+		if(download_delay != 0)
+		{
 			count_download_queue++;
 			download->scheduled_time	= scheduled_time;
-			bkp_session_insert_download(download);
-			bkp_session_save();
-			CWMP_LOG(INFO,"Download will start in %us",download_delay);
-			if (cond_signal)
+		}
+		bkp_session_insert_download(download);
+		bkp_session_save();
+		CWMP_LOG(INFO,"Download will start in %us",download_delay);
+		if (cond_signal)
+		{
+			pthread_cond_signal(&threshold_download);
+		}
+		pthread_mutex_unlock (&mutex_download);
+		if (!thread_download_is_working)
+		{
+			thread_download_is_working = true;
+			error = pthread_create(&download_thread, NULL, &thread_cwmp_rpc_cpe_download, (void *)&cwmp_main);
+			if (error<0)
 			{
-				pthread_cond_signal(&threshold_download);
-			}
-			pthread_mutex_unlock (&mutex_download);
-			if (!thread_download_is_working)
-			{
-				thread_download_is_working = true;
-				error = pthread_create(&download_thread, NULL, &thread_cwmp_rpc_cpe_download, (void *)&cwmp_main);
-				if (error<0)
-				{
-					CWMP_LOG(ERROR,"Error when creating the download thread!");
-					thread_download_is_working = false;
-					return -1;
-				}
+				CWMP_LOG(ERROR,"Error when creating the download thread!");
+				thread_download_is_working = false;
+				return -1;
 			}
 		}
 	}