diff --git a/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java b/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
index 8adedf9..3c78739 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
@@ -67,7 +67,10 @@
     }
 
     public Integer getAid() {
-        if (this.aid == null) this.aid = 1111;
+        if (aid == null) {
+            SharedPreferences preferences = getSharedPreferences("prefData", MODE_PRIVATE);
+            aid = preferences.getInt("aid", 0);
+        }
         return aid;
     }
 
@@ -75,7 +78,7 @@
         return currentAnimation;
     }
 
-    public Collection<AnimationJson> getAnimationJsonList(){
+    public Collection<AnimationJson> getAnimationJsonList() {
         return animationJsonList;
     }
 
@@ -117,7 +120,10 @@
     }
 
     public void setAid(Integer aid) {
-        this.aid = aid;
+        SharedPreferences preferences = getSharedPreferences("prefData", MODE_PRIVATE);
+        SharedPreferences.Editor editor = preferences.edit();
+        editor.putInt("aid", aid);
+        editor.commit();
     }
 
     public void setCurrentAnimation(Animation currentAnimation) {
@@ -125,7 +131,7 @@
     }
 
     //HomeViewModelでしようするためのsetter
-    public void setAnimationJsonList(Collection<AnimationJson> sentAnimationJsonList){
+    public void setAnimationJsonList(Collection<AnimationJson> sentAnimationJsonList) {
         this.animationJsonList.clear();
         this.animationJsonList.addAll(sentAnimationJsonList);
     }