diff --git a/config/noauthprobe/auth.go b/config/noauthprobe/auth.go
index e6b36ff..0c8c2ff 100644
--- a/config/noauthprobe/auth.go
+++ b/config/noauthprobe/auth.go
@@ -1,6 +1,8 @@
 package noauthprobe
 
-import "time"
+import (
+	"git.loafle.net/overflow/commons-go/core/util"
+)
 
 type AuthStateType int
 
@@ -12,8 +14,8 @@ const (
 type Auth struct {
 	TempKey *string `json:"tempKey,omitempty" yaml:"tempKey" toml:"tempKey"`
 
-	AcceptedDate *time.Time `json:"acceptedDate,omitempty" yaml:"acceptedDate" toml:"acceptedDate"`
-	DeniedDate   *time.Time `json:"deniedDate,omitempty" yaml:"deniedDate" toml:"deniedDate"`
+	AcceptedDate *util.Timestamp `json:"acceptedDate,omitempty" yaml:"acceptedDate" toml:"acceptedDate"`
+	DeniedDate   *util.Timestamp `json:"deniedDate,omitempty" yaml:"deniedDate" toml:"deniedDate"`
 }
 
 func (a *Auth) State() AuthStateType {
diff --git a/model/infra/InfraHost.go b/model/infra/InfraHost.go
index 485a954..c564b0e 100644
--- a/model/infra/InfraHost.go
+++ b/model/infra/InfraHost.go
@@ -1,15 +1,13 @@
 package infra
 
 import (
-	"encoding/json"
-
 	"git.loafle.net/overflow/commons-go/core/util"
 )
 
 type InfraHost struct {
 	Infra
 	InfraOS    *InfraOS       `json:"os,omitempty"`
-	IP         json.Number    `json:"ip,omitempty"`
-	Mac        json.Number    `json:"mac,omitempty"`
+	IP         string         `json:"ip,omitempty"`
+	Mac        string         `json:"mac,omitempty"`
 	CreateDate util.Timestamp `json:"createDate,omitempty"`
 }
diff --git a/model/sensorconfig/Connection.go b/model/sensorconfig/Connection.go
index 67f2fe9..b7c018d 100644
--- a/model/sensorconfig/Connection.go
+++ b/model/sensorconfig/Connection.go
@@ -1,10 +1,14 @@
 package sensorconfig
 
-import "encoding/json"
+import (
+	"encoding/json"
+
+	"git.loafle.net/overflow/commons-go/core/constants"
+)
 
 type Connection struct {
-	IP       string      `json:"ip,omitempty"`
-	Port     json.Number `json:"port,Number,omitempty"`
-	PortType string      `json:"portType,omitempty"`
-	SSL      bool        `json:"ssl,omitempty"`
+	IP       string             `json:"ip,omitempty"`
+	Port     json.Number        `json:"port,Number,omitempty"`
+	PortType constants.PortType `json:"portType,omitempty"`
+	SSL      bool               `json:"ssl,omitempty"`
 }