diff --git a/subscribe_message.go b/subscribe_message.go
index f0499d4..a4725ee 100644
--- a/subscribe_message.go
+++ b/subscribe_message.go
@@ -22,21 +22,21 @@ type SubscribeTargetType int
 
 const (
 	MEMBER_SESSION SubscribeTargetType = iota
-	MEMBER_ID
-	PROBE_ID
+	MEMBER
+	PROBE
 )
 
 var (
 	subscribeTargetTypeID = map[SubscribeTargetType]string{
 		MEMBER_SESSION: "MEMBER_SESSION",
-		MEMBER_ID:      "MEMBER_ID",
-		PROBE_ID:       "PROBE_ID",
+		MEMBER:         "MEMBER",
+		PROBE:          "PROBE",
 	}
 
 	subscribeTargetTypeName = map[string]SubscribeTargetType{
 		"MEMBER_SESSION": MEMBER_SESSION,
-		"MEMBER_ID":      MEMBER_ID,
-		"PROBE_ID":       PROBE_ID,
+		"MEMBER":         MEMBER,
+		"PROBE":          PROBE,
 	}
 )