diff --git a/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java b/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java
new file mode 100644
index 0000000..de3a194
--- /dev/null
+++ b/src/main/java/org/ntlab/nemophila/models/accounts/PostJson.java
@@ -0,0 +1,16 @@
+package org.ntlab.nemophila.models.accounts;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class PostJson {
+    @JsonProperty("uid")
+    private String uid;
+    @JsonProperty("pid")
+    private String pid;
+
+    public PostJson(String uid, String pid){
+        this.uid = uid;
+        this.pid = pid;
+    }
+
+}
diff --git a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
index 13f1d60..f21ce14 100644
--- a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
@@ -3,6 +3,7 @@
 import org.ntlab.nemophila.models.accounts.Account;
 import org.ntlab.nemophila.models.accounts.AccountManager;
 import org.ntlab.nemophila.models.accounts.Post;
+import org.ntlab.nemophila.models.accounts.PostJson;
 import org.ntlab.nemophila.models.shops.Shop;
 import org.ntlab.nemophila.models.shops.ShopManager;
 import org.springframework.stereotype.Component;
@@ -18,12 +19,20 @@
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     @Path("/{sid}/posts")
-    public ArrayList<Post> getPosts(@PathParam("sid") String sid) {
+    public ArrayList<PostJson> getPosts(@PathParam("sid") String sid) {
         ShopManager sm = ShopManager.getInstance();
         Shop shop = sm.getShop(sid);
         //入力したsidに対する投稿が存在すれば、投稿情報を取得する
+
         if (shop != null) {
-            return shop.getPosts();
+            ArrayList<Post> posts = shop.getPosts();
+            ArrayList<PostJson> ids = new ArrayList<>();
+            for(int i = 0; i < posts.size(); i++){
+                PostJson pj = new PostJson(posts.get(i).getOwner().getId(), posts.get(i).getId());
+                ids.add(pj);
+            }
+
+            return ids;
         }
         return null;
     }
@@ -55,7 +64,9 @@
                 sm.removeShop(sid);
             }
         } else {
-            System.out.println("Error : Miss match token");
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(401).entity("Error : Miss match token");
+            throw new WebApplicationException(response.build());
         }
     }
 }
\ No newline at end of file