diff --git a/src/main/java/com/rymcu/vertical/entity/Notification.java b/src/main/java/com/rymcu/vertical/entity/Notification.java
index 09cfba2..41fa17c 100644
--- a/src/main/java/com/rymcu/vertical/entity/Notification.java
+++ b/src/main/java/com/rymcu/vertical/entity/Notification.java
@@ -7,6 +7,7 @@ import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
 import javax.persistence.Table;
 import java.io.Serializable;
+import java.util.Date;
 
 
 /**
@@ -47,4 +48,9 @@ public class Notification implements Serializable,Cloneable {
      */
     @Column(name = "has_read")
     private String hasRead;
+    /**
+     * 是否已读
+     */
+    @Column(name = "created_time")
+    private Date createdTime;
 }
diff --git a/src/main/java/mapper/NotificationMapper.xml b/src/main/java/mapper/NotificationMapper.xml
index 4d63bb7..f19d3c0 100644
--- a/src/main/java/mapper/NotificationMapper.xml
+++ b/src/main/java/mapper/NotificationMapper.xml
@@ -8,6 +8,7 @@
         <result column="data_id" property="dataId"></result>
         <result column="data_summary" property="dataSummary"></result>
         <result column="has_read" property="hasRead"></result>
+        <result column="created_time" property="createdTime"></result>
     </resultMap>
     <select id="selectUnreadNotifications" resultMap="BaseResultMapper">
         select * from vertical_notification where has_read = '0' and id_user = #{idUser}