diff --git a/src/main/java/osm/surveyor/task/city/model/MapperTask.java b/src/main/java/osm/surveyor/task/city/model/MapperTask.java
index cde08de..058926e 100644
--- a/src/main/java/osm/surveyor/task/city/model/MapperTask.java
+++ b/src/main/java/osm/surveyor/task/city/model/MapperTask.java
@@ -1,10 +1,16 @@
 package osm.surveyor.task.city.model;
 
+import java.util.Date;
+
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
 import javax.persistence.Id;
 import javax.persistence.IdClass;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+import javax.validation.constraints.NotBlank;
 
 import org.springframework.format.annotation.NumberFormat;
 
@@ -16,18 +22,46 @@
 @Entity
 @IdClass(MapperTaskPK.class)
 public class MapperTask {
-
-	@Id
-	private String username;	// MapperTaskPK.username
 	
+    @Id
+    //@GenericGenerator(name = "UuidGenerator", strategy = "osm.surveyor.task.util.UuidGenerator") 
+    //@GeneratedValue(generator = "UuidGenerator") 
+    @Column(name = "current_id")
+    private String currentId;
+    
+	@NotBlank
+    @Column(name = "pre_id")
+    private String preId;
+
 	@Id
 	@NumberFormat
 	private String meshcode;	// MapperTaskPK.meshcode
 
-	@Enumerated(EnumType.ORDINAL)
-	private Operation operation = Operation.NOP;
-
+	/**
+	 * ステータス
+	 */
 	@Enumerated(EnumType.ORDINAL)
 	private Status status = Status.PREPARATION;
 	
+	/**
+	 * インポート実行者
+	 */
+	private String username;
+	
+	/**
+	 * 検証者
+	 */
+	private String validator;
+	
+	/**
+	 * 操作内容
+	 */
+	@Enumerated(EnumType.ORDINAL)
+	private Operation operation = Operation.NOP;
+
+	/**
+	 * 更新日時
+	 */
+	@Temporal(TemporalType.TIMESTAMP)
+    Date updateTime;
 }
diff --git a/src/main/java/osm/surveyor/task/city/model/Task.java b/src/main/java/osm/surveyor/task/city/model/Task.java
index b39a5a3..862829c 100644
--- a/src/main/java/osm/surveyor/task/city/model/Task.java
+++ b/src/main/java/osm/surveyor/task/city/model/Task.java
@@ -1,9 +1,10 @@
 package osm.surveyor.task.city.model;
 
 import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
 import javax.persistence.Id;
 import javax.persistence.IdClass;
-import javax.validation.constraints.NotBlank;
 
 import org.springframework.format.annotation.NumberFormat;
 
@@ -25,10 +26,8 @@
 	@NumberFormat
 	private String meshcode;	// TaskPK.meshcode
 
-	@NotBlank
 	private String version;
 	
-	@NotBlank
 	private String path;
 	
 	private String point;
@@ -38,4 +37,10 @@
 	public void setLine(JsonGeometryLine p) {
 		this.line = p.toString();
 	}
+
+	/**
+	 * ステータス
+	 */
+	@Enumerated(EnumType.ORDINAL)
+	private Status status = Status.PREPARATION;
 }