diff --git a/app/src/main/java/org/ntlab/irisclient/entities/MemberJson.java b/app/src/main/java/org/ntlab/irisclient/entities/MemberJson.java
index 29e3d7b..ee6874d 100644
--- a/app/src/main/java/org/ntlab/irisclient/entities/MemberJson.java
+++ b/app/src/main/java/org/ntlab/irisclient/entities/MemberJson.java
@@ -8,10 +8,13 @@
     private boolean master;
 
 
-    public MemberJson(String nickname) {
-        this.nickname = nickname;
-        this.belongs = "n";
-        this.master = false;
+//    public MemberJson(String nickname) {
+//        this.nickname = nickname;
+//        this.belongs = "n";
+//        this.master = false;
+//    }
+
+    public MemberJson() {
     }
 
     //-------------------------------------