diff --git a/plugin/gb28181/index.go b/plugin/gb28181/index.go
index 7b9cc5c..a1ca71e 100644
--- a/plugin/gb28181/index.go
+++ b/plugin/gb28181/index.go
@@ -44,7 +44,7 @@ type GB28181Plugin struct {
 	m7s.Plugin
 	AutoInvite     bool   `default:"true" desc:"自动邀请"`
 	Serial         string `default:"34020000002000000001" desc:"sip 服务 id"` //sip 服务器 id, 默认 34020000002000000001
-	Realm          string `default:"3402000000" desc:"sip 服务域"`             //sip 服务器域，默认 3402000000
+	Realm          string `default:"3402000000" desc:"sip 服务域"`            //sip 服务器域，默认 3402000000
 	Username       string
 	Password       string
 	Sip            SipConfig
@@ -657,6 +657,9 @@ func (gb *GB28181Plugin) RecoverDevice(d *Device, req *sip.Request) {
 	d.UpdateTime = time.Now()
 	d.RegisterTime = time.Now()
 	d.Online = true
+	d.IP = hostname
+	d.Port = port
+	d.HostAddress = hostname + ":" + portStr
 
 	if gb.DB != nil {
 		var existing Device