diff --git a/src/main/java/com/example/cosmos_serversb/entities/Group.java b/src/main/java/com/example/cosmos_serversb/entities/Group.java
index e5ecd27..524fa87 100644
--- a/src/main/java/com/example/cosmos_serversb/entities/Group.java
+++ b/src/main/java/com/example/cosmos_serversb/entities/Group.java
@@ -6,6 +6,7 @@
 import static com.example.cosmos_serversb.models.Users.*;
 
 public class Group {
+    private Long id;
     private String gId, uri, name;
     private ArrayList<User> members;
     private ArrayList<Request> requests;
@@ -15,13 +16,24 @@
     }
 
     public Group(String gId, String uri, String name, String uId){
-        setGid(gId);
+        this.gId = gId;
+        //setGid(gId);
         setUri(uri);
         setName(name);
         this.members.add(getUserById(uId));
         this.requests = null;
     }
 
+    //hibernate用
+    public Long getId() {
+        return id;
+    }
+
+    private void setId(Long id) {
+        this.id = id;
+    }
+
+
     private void setGid(String gId){
         this.gId = gId;
     }