diff --git a/app/src/main/kotlin/org/ntlab/leftoverrecipe/model/db/RecipeData.kt b/app/src/main/kotlin/org/ntlab/leftoverrecipe/model/db/RecipeData.kt
index c357a74..40a4834 100644
--- a/app/src/main/kotlin/org/ntlab/leftoverrecipe/model/db/RecipeData.kt
+++ b/app/src/main/kotlin/org/ntlab/leftoverrecipe/model/db/RecipeData.kt
@@ -7,9 +7,16 @@
  * Created by matsumoto_k on 2017/07/06.
  */
 open class RecipeData(
+        /**
+         * date:作成した火付け
+         * recipeName:料理名
+         * makeTimeZone:作った時間帯(0:朝,1:昼,2:晩)
+         * comment:料理についてのコメント
+         * image:料理の画像データ
+         */
         open var date: Date = Date(),
         open var recipeName: String = "",
-        open var makeTimeZone: String = "",
+        open var makeTimeZone: Int = 0,
         open var comment: String = "",
         open var image: ByteArray? = null
 ) : RealmObject()
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