diff --git a/gorush/notification.go b/gorush/notification.go
index ef9a463..eb7d12e 100644
--- a/gorush/notification.go
+++ b/gorush/notification.go
@@ -7,6 +7,7 @@ import (
 	apns "github.com/sideshow/apns2"
 	"github.com/sideshow/apns2/certificate"
 	"github.com/sideshow/apns2/payload"
+	"path/filepath"
 	"time"
 )
 
@@ -140,8 +141,20 @@ func CheckPushConf() error {
 func InitAPNSClient() error {
 	if PushConf.Ios.Enabled {
 		var err error
+		ext := filepath.Ext(PushConf.Ios.PemPath)
 
-		CertificatePemIos, err = certificate.FromPemFile(PushConf.Ios.PemPath, PushConf.Ios.Password)
+		LogAccess.Debug("certificate ext is ", ext)
+
+		switch ext {
+		case ".p12":
+			CertificatePemIos, err = certificate.FromP12File(PushConf.Ios.PemPath, PushConf.Ios.Password)
+		case ".pem":
+			CertificatePemIos, err = certificate.FromPemFile(PushConf.Ios.PemPath, PushConf.Ios.Password)
+		default:
+			err = errors.New("Wrong Certificate key extension.")
+		}
+
+		// CertificatePemIos, err = certificate.FromPemFile(PushConf.Ios.PemPath, PushConf.Ios.Password)
 
 		if err != nil {
 			LogError.Error("Cert Error:", err.Error())
diff --git a/gorush/notification_test.go b/gorush/notification_test.go
index e6cb466..176dd6d 100644
--- a/gorush/notification_test.go
+++ b/gorush/notification_test.go
@@ -427,7 +427,7 @@ func TestDisabledIosNotifications(t *testing.T) {
 	assert.Equal(t, 2, count)
 }
 
-func TestMissingIosCertificate(t *testing.T) {
+func TestWrongIosCertificateExt(t *testing.T) {
 	PushConf = config.BuildDefaultPushConf()
 
 	PushConf.Ios.Enabled = true
@@ -435,13 +435,14 @@ func TestMissingIosCertificate(t *testing.T) {
 	err := InitAPNSClient()
 
 	assert.Error(t, err)
+	assert.Equal(t, "Wrong Certificate key extension.", err.Error())
 }
 
 func TestAPNSClientDevHost(t *testing.T) {
 	PushConf = config.BuildDefaultPushConf()
 
 	PushConf.Ios.Enabled = true
-	PushConf.Ios.PemPath = "../certificate/certificate-valid.pem"
+	PushConf.Ios.PemPath = "../certificate/certificate-valid.p12"
 	InitAPNSClient()
 
 	assert.Equal(t, apns2.HostDevelopment, ApnsClient.Host)