diff --git a/src/main/java/org/ntlab/acanthus_server/resources/gallery/GalleryRest.java b/src/main/java/org/ntlab/acanthus_server/resources/gallery/GalleryRest.java
index d7d6f83..a657327 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/gallery/GalleryRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/gallery/GalleryRest.java
@@ -22,8 +22,12 @@
 
     @GET
     @Produces(MediaType.APPLICATION_JSON)
+
+    //すべての作品情報を返す。
     public Collection<AnimationJson> getGallery(){
+        //変数にAnimation型のArrayListを代入
         var animationJsonList = new ArrayList<AnimationJson>();
+        //拡張for文で上記のListに作品を追加。
         for (var animation : gallery.getAllAnimation()) animationJsonList.add(new AnimationJson(animation));
         return animationJsonList;
     }
@@ -32,7 +36,11 @@
 
     @POST
     @Produces(MediaType.APPLICATION_JSON)
-    public Integer createAnimation(@FormParam("name") String name ,@FormParam("token") String token ,@FormParam("uid") Integer uid){
+
+    //作品名とトークンとuidをフォームデータとしてPOSTする。
+    public Integer createAnimation(@FormParam("name") String animationName ,@FormParam("token") String token ,@FormParam("uid") Integer uid){
+
+        //Uidをとりアカウント検索
 
         var searchAccounts = Accounts.getInstance().getAccountByUid(uid);
         if(searchAccounts == null){
@@ -40,6 +48,7 @@
             throw new WebApplicationException(response.build());
         }
 
+        //トークン認証　これもクリアするとcreateAnimationが返され作品が作られる。
         if(!searchAccounts.isCollectToken(token)){
             var response = Response.status(400).entity("トークンが違います。");
             throw new WebApplicationException(response.build());
@@ -47,22 +56,49 @@
         else {
             Accounts accounts = Accounts.getInstance();
             Account Owner = accounts.getAccountByUid(uid);
-            return gallery.createAnimation(name, Owner);
+            return gallery.createAnimation(animationName, Owner);
         }
 
     }
 
+
+
     @Path("/{aid}")
     @GET
     @Produces(MediaType.APPLICATION_JSON)
+
+    //aidをパスパラメータで送ると該当する作品が表示される。
     public Collection<AnimationJson> getAnimationInformation(@PathParam("aid") Integer aid){
 
         var searchAnimation =gallery.getAnimationInformation(aid);
+
+        var response = Response.status(Response.Status.NO_CONTENT);
+
+        if(searchAnimation == null){
+            response = Response.status(404).entity("該当作品が存在しません。");
+            throw new WebApplicationException(response.build());
+        }
+
         var animationJsonList = new ArrayList<AnimationJson>();
         animationJsonList.add(new AnimationJson(searchAnimation));
 
         return animationJsonList;
     }
 
+    //作品名で作品を検索
+    public Collection<AnimationJson> getAnimationByAnimationName(@QueryParam("name") String name){
+        var searchAnimation = gallery.getAnimationByAnimationName(name);
+        var response = Response.status(Response.Status.NO_CONTENT);
+
+        if(searchAnimation == null){
+            response = Response.status(404).entity("この作品名に該当する作品は存在しません。");
+            throw new WebApplicationException(response.build());
+        }
+
+        var animationList = new ArrayList<AnimationJson>();
+        animationList.add(new AnimationJson(searchAnimation));
+
+        return animationList;
+    }
 
 }
\ No newline at end of file