diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Account.java b/src/main/java/org/ntlab/acanthus_server/entities/Account.java
index 1f2c7c8..1c6cb4e 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Account.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Account.java
@@ -52,9 +52,16 @@
     private String token;
     @JsonIgnore
     private String password;
+    @JsonIgnore
+    private boolean isDummy;
 
     //-----------------------------------------------------------------
     //コンストラクト
+    public Account() {
+        createDummyAccount();
+    }
+    //-----------------------------------------------------------------
+
     public Account(Integer uid, String name, String email, String password) {
         this.uid = uid;
         this.name = name;
@@ -144,7 +151,7 @@
     //-----------------------------------------------------------------
     // トークンを更新する 藤井
     public void updateToken() {
-        this.token = UUID.randomUUID().toString();
+        if (!isDummy) this.token = UUID.randomUUID().toString();
     }
 
     //-----------------------------------------------------------------
@@ -152,6 +159,17 @@
     public boolean isMatchedPassword(String password) {
         return this.password.equals(password);
     }
-    //-----------------------------------------------------------------
 
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // ダミー
+    private void createDummyAccount() {
+        this.isDummy = true;
+        this.uid = 1;
+        this.name = "dummy";
+        this.email = "d@dummy.com";
+        this.password = "nittalab";
+        this.token = "abc";
+    }
+    //-----------------------------------------------------------------
 }