diff --git a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/domain/ChangeRecord.java b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/domain/ChangeRecord.java
index 524914ff..3cd997e9 100644
--- a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/domain/ChangeRecord.java
+++ b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/domain/ChangeRecord.java
@@ -65,6 +65,20 @@ public class ChangeRecord extends BaseEntity<ChangeRecord> {
 
     /**
      * 专业集合
+     * 示例
+     * [
+     *     {
+     *         "id": 9658,
+     *         "code": "JIANZHU_CUOSHIBIAO",
+     *         "children": [
+     *             {
+     *                 "id": 9659,
+     *                 "code": "JIANZHU_CUOSHIBIAOSHINEIWAIZHUANGXIUGOUZAOZUOFABIAO",
+     *                 "children": []
+     *             }
+     *         ]
+     *     }
+     * ]
      */
     @TableField(value = "relation_professional", typeHandler = FastjsonTypeHandler.class)
     private JSONArray relationProfessional;