diff --git a/src/main/java/com/ntlab/irisserver/entities/Card.java b/src/main/java/com/ntlab/irisserver/entities/Card.java
deleted file mode 100644
index 9f91e99..0000000
--- a/src/main/java/com/ntlab/irisserver/entities/Card.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.ntlab.irisserver.entities;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-
-public class Card {
-
-    @JsonProperty("isOpen")
-    private boolean isOpen;
-
-    @JsonProperty("color")
-    private String color;
-
-    @JsonProperty("dno")
-    private int dno;
-
-    public Card(){
-        isOpen=false;
-    }
-
-
-    public void setIsOpen(boolean isOpen) {this.isOpen = isOpen;}
-
-    public void setColor(String color) {this.color = color;}
-
-    public void setDno(int dno) {this.dno = dno;}
-
-    public boolean getIsOpen() {return this.isOpen;}
-
-    public String getColor() {return this.color;}
-
-    public int getDno() {return this.dno;}
-
-}
diff --git a/src/main/java/com/ntlab/irisserver/entities/Cell.java b/src/main/java/com/ntlab/irisserver/entities/Cell.java
new file mode 100644
index 0000000..1bc894e
--- /dev/null
+++ b/src/main/java/com/ntlab/irisserver/entities/Cell.java
@@ -0,0 +1,33 @@
+package com.ntlab.irisserver.entities;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Cell {
+
+    @JsonProperty("isOpen")
+    private boolean isOpen;
+
+    @JsonProperty("color")
+    private String color;
+
+    @JsonProperty("dno")
+    private int dno;
+
+    public Cell(){
+        isOpen=false;
+    }
+
+
+    public void setIsOpen(boolean isOpen) {this.isOpen = isOpen;}
+
+    public void setColor(String color) {this.color = color;}
+
+    public void setDno(int dno) {this.dno = dno;}
+
+    public boolean getIsOpen() {return this.isOpen;}
+
+    public String getColor() {return this.color;}
+
+    public int getDno() {return this.dno;}
+
+}