diff --git a/kernel-s-message/message-sdk-db/src/main/java/cn/stylefeng/roses/kernel/message/db/entity/SysMessage.java b/kernel-s-message/message-sdk-db/src/main/java/cn/stylefeng/roses/kernel/message/db/entity/SysMessage.java
index 8a45bc7c0..8ce90ad90 100644
--- a/kernel-s-message/message-sdk-db/src/main/java/cn/stylefeng/roses/kernel/message/db/entity/SysMessage.java
+++ b/kernel-s-message/message-sdk-db/src/main/java/cn/stylefeng/roses/kernel/message/db/entity/SysMessage.java
@@ -48,21 +48,21 @@ public class SysMessage extends BaseEntity {
      * 主键
      */
     @TableId(value = "message_id", type = IdType.ASSIGN_ID)
-    @JSONField(serializeUsing= ToStringSerializer.class)
+    @JSONField(serializeUsing = ToStringSerializer.class)
     private Long messageId;
 
     /**
      * 接收用户id
      */
     @TableField(value = "receive_user_id")
-    @JSONField(serializeUsing= ToStringSerializer.class)
+    @JSONField(serializeUsing = ToStringSerializer.class)
     private Long receiveUserId;
 
     /**
      * 发送用户id
      */
     @TableField(value = "send_user_id")
-    @JSONField(serializeUsing= ToStringSerializer.class)
+    @JSONField(serializeUsing = ToStringSerializer.class)
     private Long sendUserId;
 
     /**
@@ -99,7 +99,7 @@ public class SysMessage extends BaseEntity {
      * 业务id
      */
     @TableField(value = "business_id")
-    @JSONField(serializeUsing= ToStringSerializer.class)
+    @JSONField(serializeUsing = ToStringSerializer.class)
     private Long businessId;
 
     /**
@@ -120,4 +120,10 @@ public class SysMessage extends BaseEntity {
     @TableField(value = "del_flag", fill = FieldFill.INSERT)
     private String delFlag;
 
+    /**
+     * 业务类型值
+     */
+    @TableField(exist = false)
+    private String businessTypeValue;
+
 }