diff --git a/mediastreammodel.go b/mediastreammodel.go
index 29eae8c..5c52857 100644
--- a/mediastreammodel.go
+++ b/mediastreammodel.go
@@ -1,8 +1,13 @@
 package n9m
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+)
 
-func (e *Package) MediaRequestDownloadVideo(token int, serial string, session string, camNo int, date string, begin_time string, end_time string, recordID string, serverId int, ip string) {
+var ip string = os.Getenv("SERVER_IP")
+
+func (e *Package) MediaRequestDownloadVideo(token int, serial string, session string, camNo int, date string, begin_time string, end_time string, recordID string, serverId int) {
 	e.Payload = map[string]any{
 		"MODULE":    "MEDIASTREAMMODEL",
 		"OPERATION": "REQUESTDOWNLOADVIDEO",
@@ -26,7 +31,7 @@ func (e *Package) MediaRequestDownloadVideo(token int, serial string, session st
 }
 
 // main server util
-func (e *Package) MediaRequestAliveVideo(token int, camNo int64, Sid string, serial string, quality int64, ip string) {
+func (e *Package) MediaRequestAliveVideo(token int, camNo int64, Sid string, serial string, quality int64) {
 
 	channel := 0
 
@@ -52,7 +57,7 @@ func (e *Package) MediaRequestAliveVideo(token int, camNo int64, Sid string, ser
 }
 
 // main server util
-func (e *Package) MediaRequestRemotePlayback(token int, serial string, session string, camNo int, date string, begin_time string, end_time string, serverId int, ip string) {
+func (e *Package) MediaRequestRemotePlayback(token int, serial string, session string, camNo int, date string, begin_time string, end_time string, serverId int) {
 	e.Payload = map[string]any{
 		"MODULE":    "MEDIASTREAMMODEL",
 		"OPERATION": "REQUESTREMOTEPLAYBACK",