diff --git a/src/main/java/org/ntlab/nemophila/models/accounts/Account.java b/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
index 61edc30..3547dc6 100644
--- a/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
+++ b/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
@@ -62,8 +62,8 @@
 
 
     //新規投稿
-    public Post createPost(String sid, int rate, String genre, String comment, String image1, String image2, String image3) {
-        Post post = new Post(this, genre, rate, sid);
+    public Post createPost(Shop shop, int rate, String genre, String comment, String image1, String image2, String image3) {
+        Post post = new Post(this, genre, rate, shop);
         //pidの登録.始めの投稿が"1"
         post.setId(String.valueOf(newPid));
         newPid++;
@@ -74,6 +74,7 @@
         post.setComment(comment);
 
         posts.put(post.getId(), post);
+        shop.addPost(post);
 
         return post;
     }