diff --git a/gorush.go b/gorush.go
index fe135b6..7e48168 100644
--- a/gorush.go
+++ b/gorush.go
@@ -72,9 +72,6 @@ func main() {
 
 	// send android notification
 	if *android {
-
-		checkInput(*token, *message)
-
 		gorush.PushConf.Android.Enabled = true
 		req := gorush.PushNotification{
 			Tokens:   []string{*token},
@@ -82,7 +79,7 @@ func main() {
 			Message:  *message,
 		}
 
-		err := gorush.CheckGCMMessage(req)
+		err := gorush.CheckMessage(req)
 
 		if err != nil {
 			gorush.LogError.Fatal(err)
@@ -96,8 +93,6 @@ func main() {
 
 	// send android notification
 	if *ios {
-		checkInput(*token, *message)
-
 		if *production {
 			gorush.PushConf.Ios.Production = true
 		}
@@ -109,6 +104,12 @@ func main() {
 			Message:  *message,
 		}
 
+		err := gorush.CheckMessage(req)
+
+		if err != nil {
+			gorush.LogError.Fatal(err)
+		}
+
 		gorush.InitAppStatus()
 		gorush.InitAPNSClient()
 		gorush.PushToIOS(req)
diff --git a/gorush/notification.go b/gorush/notification.go
index 271d740..2dc8949 100644
--- a/gorush/notification.go
+++ b/gorush/notification.go
@@ -78,7 +78,7 @@ type PushNotification struct {
 }
 
 // CheckGCMMessage for check GCM Message
-func CheckGCMMessage(req PushNotification) error {
+func CheckMessage(req PushNotification) error {
 	var msg string
 	if req.Message == "" {
 		msg = "the message must not be empty"
@@ -92,13 +92,19 @@ func CheckGCMMessage(req PushNotification) error {
 		return errors.New(msg)
 	}
 
-	if len(req.Tokens) > 1000 {
+	if len(req.Tokens) == PlatFormIos && len(req.Tokens[0]) == 0 {
+		msg = "the token must not be empty"
+		LogAccess.Debug(msg)
+		return errors.New(msg)
+	}
+
+	if req.Platform == PlatFormAndroid && len(req.Tokens) > 1000 {
 		msg = "the message may specify at most 1000 registration IDs"
 		LogAccess.Debug(msg)
 		return errors.New(msg)
 	}
 
-	if req.TimeToLive < 0 || 2419200 < req.TimeToLive {
+	if req.Platform == PlatFormAndroid && (req.TimeToLive < 0 || 2419200 < req.TimeToLive) {
 		msg = "the message's TimeToLive field must be an integer " +
 			"between 0 and 2419200 (4 weeks)"
 		LogAccess.Debug(msg)
@@ -380,9 +386,10 @@ func PushToAndroid(req PushNotification) bool {
 	var APIKey string
 
 	// check message
-	err := CheckGCMMessage(req)
+	err := CheckMessage(req)
 
 	if err != nil {
+		LogError.Error("request error: " + err.Error())
 		return false
 	}
 
diff --git a/gorush/notification_test.go b/gorush/notification_test.go
index 5555937..d4af358 100644
--- a/gorush/notification_test.go
+++ b/gorush/notification_test.go
@@ -241,7 +241,7 @@ func TestPushToAndroidWrongAPIKey(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{"aaaaaa", "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
@@ -257,7 +257,7 @@ func TestPushToAndroidWrongToken(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{"aaaaaa", "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
@@ -277,7 +277,7 @@ func TestPushToAndroidRightTokenForJSONLog(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{androidToken, "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
@@ -295,7 +295,7 @@ func TestPushToAndroidRightTokenForStringLog(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{androidToken, "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
@@ -313,7 +313,7 @@ func TestOverwriteAndroidAPIKey(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{androidToken, "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 		// overwrite android api key
 		APIKey: "1234",
@@ -342,13 +342,13 @@ func TestSenMultipleNotifications(t *testing.T) {
 			//ios
 			{
 				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
-				Platform: 1,
+				Platform: PlatFormIos,
 				Message:  "Welcome",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
-				Platform: 2,
+				Platform: PlatFormAndroid,
 				Message:  "Welcome",
 			},
 		},
@@ -375,13 +375,13 @@ func TestDisabledAndroidNotifications(t *testing.T) {
 			//ios
 			{
 				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
-				Platform: 1,
+				Platform: PlatFormIos,
 				Message:  "Welcome",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
-				Platform: 2,
+				Platform: PlatFormAndroid,
 				Message:  "Welcome",
 			},
 		},
@@ -408,13 +408,13 @@ func TestDisabledIosNotifications(t *testing.T) {
 			//ios
 			{
 				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
-				Platform: 1,
+				Platform: PlatFormIos,
 				Message:  "Welcome",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
-				Platform: 2,
+				Platform: PlatFormAndroid,
 				Message:  "Welcome",
 			},
 		},
@@ -464,7 +464,7 @@ func TestGCMMessage(t *testing.T) {
 		Message: "",
 	}
 
-	err = CheckGCMMessage(req)
+	err = CheckMessage(req)
 	assert.Error(t, err)
 
 	// the message must specify at least one registration ID
@@ -473,37 +473,49 @@ func TestGCMMessage(t *testing.T) {
 		Tokens: []string{},
 	}
 
-	err = CheckGCMMessage(req)
+	err = CheckMessage(req)
+	assert.Error(t, err)
+
+	// the token must not be empty
+	req = PushNotification{
+		Message: "Test",
+		Tokens: []string{""},
+	}
+
+	err = CheckMessage(req)
 	assert.Error(t, err)
 
 	// the message may specify at most 1000 registration IDs
 	req = PushNotification{
 		Message: "Test",
+		Platform: PlatFormAndroid,
 		Tokens: make([]string, 1001),
 	}
 
-	err = CheckGCMMessage(req)
+	err = CheckMessage(req)
 	assert.Error(t, err)
 
 	// the message's TimeToLive field must be an integer
 	// between 0 and 2419200 (4 weeks)
 	req = PushNotification{
 		Message: "Test",
+		Platform: PlatFormAndroid,
 		Tokens: []string{"XXXXXXXXX"},
 		TimeToLive: 2419201,
 	}
 
-	err = CheckGCMMessage(req)
+	err = CheckMessage(req)
 	assert.Error(t, err)
 
 	// Pass
 	req = PushNotification{
 		Message: "Test",
+		Platform: PlatFormAndroid,
 		Tokens: []string{"XXXXXXXXX"},
 		TimeToLive: 86400,
 	}
 
-	err = CheckGCMMessage(req)
+	err = CheckMessage(req)
 	assert.NoError(t, err)
 }
 
@@ -515,7 +527,7 @@ func TestCheckAndroidMessage(t *testing.T) {
 
 	req := PushNotification{
 		Tokens:   []string{"aaaaaa", "bbbbb"},
-		Platform: 2,
+		Platform: PlatFormAndroid,
 		Message:  "Welcome",
 		TimeToLive: 2419201,
 	}
diff --git a/gorush/server_test.go b/gorush/server_test.go
index c0946b4..68b578b 100644
--- a/gorush/server_test.go
+++ b/gorush/server_test.go
@@ -156,12 +156,12 @@ func TestOutOfRangeMaxNotifications(t *testing.T) {
 			"notifications": []gofight.D{
 				{
 					"tokens":   []string{"aaaaa", "bbbbb"},
-					"platform": 2,
+					"platform": PlatFormAndroid,
 					"message":  "Welcome",
 				},
 				{
 					"tokens":   []string{"aaaaa", "bbbbb"},
-					"platform": 2,
+					"platform": PlatFormAndroid,
 					"message":  "Welcome",
 				},
 			},
@@ -187,7 +187,7 @@ func TestSuccessPushHandler(t *testing.T) {
 			"notifications": []gofight.D{
 				{
 					"tokens":   []string{androidToken, "bbbbb"},
-					"platform": 2,
+					"platform": PlatFormAndroid,
 					"message":  "Welcome",
 				},
 			},