add comment, reward, total

Change-Id: Ib3d9f5f11b51e4bbf4dc5a553315ff3fd9110efb
diff --git a/src/main/java/com/g9/g9backend/pojo/Reward.java b/src/main/java/com/g9/g9backend/pojo/Reward.java
index 5812284..08a9de8 100644
--- a/src/main/java/com/g9/g9backend/pojo/Reward.java
+++ b/src/main/java/com/g9/g9backend/pojo/Reward.java
@@ -33,9 +33,9 @@
 
     private Date lastUpdateAt;
 
-    private int completedBy;
+    private Integer completedBy;
 
     private Date completedAt;
 
-    private int resourceId;
+    private Integer resourceId;
 }
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