diff --git a/openmptcprouter/files/etc/init.d/openmptcprouter-vps b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
index 723c52b55..9ac1e17b2 100755
--- a/openmptcprouter/files/etc/init.d/openmptcprouter-vps
+++ b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
@@ -271,7 +271,7 @@ _set_ss_server_vps() {
 	if [ "$current_mptcp" != "$mptcp" ] || [ "$current_obfs_plugin" != "$obfs_plugin" ] || [ "$current_obfs_type" != "$obfs_type" ] || [ "$current_port" != "$port" ] || [ "$current_method" != "$method" ] || [ "$current_key" != "$key" ] || [ "$current_ebpf" != "$ebpf" ] || [ "$current_obfs" != "$obfs" ] || [ "$current_fast_open" != "$fast_open" ] || [ "$current_no_delay" != "$no_delay" ]; then
 		local settings
 		settings='{"port": '$port',"method":"'$method'","fast_open":'$fast_open',"reuse_port":true,"no_delay":'$no_delay',"mptcp":'$mptcp',"key":"'$key'","ebpf":'$ebpf',"obfs":'$obfs',"obfs_plugin":"'$obfs_plugin'","obfs_type":"'$obfs_type'"}'
-		_set_json "shadowsocks" "$settings"
+		result=$(_set_json "shadowsocks" "$settings")
 	fi
 }
 
@@ -966,7 +966,7 @@ _vps_firewall_redirect_port() {
 				fi
 				if [ "$checkfw" = "" ]; then
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","source_dip" : "'$src_dip'","source_ip" : "'$src_ip'","proto" : "'$protoi'","fwtype" : "'$target'","ipproto" : "'$family'"}'
-					_set_json "shorewallopen" "$settings"
+					result=$(_set_json "shorewallopen" "$settings")
 				fi
 				if [ "$family" = "ipv4" ]; then
 					if [ "$src_dip" = "" ] && [ "$src_ip" = "" ]; then
@@ -1036,10 +1036,10 @@ _vps_firewall_redirect_port() {
 				fi
 				if [ "$checkfw" = "" ]; then
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","source_dip" : "'$src_dip'","source_ip" : "'$src_ip'","proto" : "'${protoi}'","fwtype" : "ACCEPT","ipproto" : "'$family'","comment" : "V2Ray to '${dest_ip}':'${dest_port}'"}'
-					_set_json "shorewallopen" "$settings"
+					result=$(_set_json "shorewallopen" "$settings")
 					[ -z "$dest_port" ] && dest_port="$src_dport"
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","destip" : "'$dest_ip'","destport" : "'$dest_port'","proto" : "'${protoi}'"}'
-					_set_json "v2rayredirect" "$settings"
+					result=$(_set_json "v2rayredirect" "$settings")
 				fi
 				if [ "$family" = "ipv4" ]; then
 					if [ "$src_dip" = "" ] && [ "$src_ip" = "" ]; then
@@ -1087,12 +1087,12 @@ _vps_firewall_close_port() {
 				else
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","proto" : "'$proto'","fwtype" : "DNAT","comment" : "'$comment'"}'
 				fi
-				_set_json "shorewallclose" "$settings"
+				result=$(_set_json "shorewallclose" "$settings")
 				[ "$type" = "ACCEPT" ] && {
 					destip=$(echo $comment | awk '{print $3}' | awk -F: '{print $1}')
 					destport=$(echo $comment | awk '{print $3}' | awk -F: '{print $2}')
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","proto" : "'$proto'","destip" : "'$destip'","destport": "'$destport'"}'
-					_set_json "v2rayunredirect" "$settings"
+					result=$(_set_json "v2rayunredirect" "$settings")
 				}
 			}
 		done
@@ -1115,10 +1115,10 @@ _vps_firewall_close_port() {
 				else
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","proto" : "'$proto'","fwtype" : "DNAT","ipproto" : "ipv6","comment" : "'$comment'"}'
 				fi
-				_set_json "shorewallclose" "$settings"
+				result=$(_set_json "shorewallclose" "$settings")
 				[ "$type" = "ACCEPT" ] && {
 					settings='{"name" : "router '$src_dport'","port" : "'$src_dport'","proto" : "'$proto'","comment" : "'$comment'"}'
-					_set_json "v2rayunredirect" "$settings"
+					result=$(_set_json "v2rayunredirect" "$settings")
 				}
 			}
 		done
@@ -1694,7 +1694,7 @@ _backup_send() {
 		logger -t "OMR-VPS" "Send backup file to server $servername"
 		local backupjson
 		backupjson='{"data": "'$backup_data'","sha256sum": "'$backup_sha256sum'"}'
-		_set_json "backuppost" "$backupjson"
+		result=$(_set_json "backuppost" "$backupjson")
 		uci -q set openmptcprouter.$servername.lastbackup=$(date +%s)
 	}
 }