diff --git a/app/src/main/kotlin/jackall/moncalc/vo/Fruit.kt b/app/src/main/kotlin/jackall/moncalc/vo/Fruit.kt
index 18ae1e7..a93ad16 100644
--- a/app/src/main/kotlin/jackall/moncalc/vo/Fruit.kt
+++ b/app/src/main/kotlin/jackall/moncalc/vo/Fruit.kt
@@ -6,8 +6,8 @@
 /**
  * Created by matsumoto_k on 2017/11/02.
  */
-class Fruit(
+open class Fruit(
         @PrimaryKey
-        val id: Int = -1,
-        val name: String = ""
+        open var id: Int = -1,
+        open var name: String = ""
 ) : RealmObject()
\ No newline at end of file