diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
index c5a212c..de76cd7 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Animation.java
@@ -17,11 +17,11 @@
     private String lastUpdate;
     private Integer likes;
     private Integer views;
-    private ArrayList<String> hashTag;
+    private ArrayList<String> hashTag = new ArrayList<>();
     private Account owner;
-    private ArrayList<Editor> editors;
-    private ArrayList<Account> invites;
-    private HashMap<Integer,Integer> pageMap;
+    private ArrayList<Editor> editors = new ArrayList<>();
+    private ArrayList<Account> invites = new ArrayList<>();
+    private HashMap<Integer,Integer> pageMap = new HashMap<>();
 
     public Animation(Integer aid, String name, Account owner) {
         this.aid = aid;
@@ -53,13 +53,13 @@
         this.isPublic = publicStatus;
     }
 
-    public void addEditors(Editor editor) { this.editors.add(editor); }
-
     public void setlastUpdate() {
         Date dt = new Date();
         this.lastUpdate = dt.toString();
     }
 
+    public void addEditors(Editor editor) { this.editors.add(editor); }
+
     public void addLikes() { this.likes++; }
 
     public void addViews() { this.views++; }