diff --git a/knowledge.md b/knowledge.md
index 1ab0927..393ec9b 100644
--- a/knowledge.md
+++ b/knowledge.md
@@ -1130,47 +1130,41 @@ meeting_with_room_and_agenda_wo示例：
          * 获取更新成功的bto结果
          */
         public UpdatedBto getUpdatedResult(final Object bto);
-
         /**
-         * 获取成功插入的Bto结果
+         * 获取成功创建的Bto结果
          */
         public AddedBto getAddedResult(final Object btoObj);
-
         /**
          * 获取Bto对应的删除结果
          */
         public DeletedBto getDeletedResult(final Object btoObj);
   ```
   ```java
-  public class UpdatedBto<Bto,Entity,BO> {
-//Bto入参
-private Bto bto;
-//Bto对应的Entity，前项
-private Entity entity;
-//bo，后项
-private BO bo;
-}
-  ```
-  ```java
-  //记录删除记录情况
+  //记录Bto和它对应的更新的实体的前值以及更新后的Bo的
   @Setter
   @Getter
-  public class DeletedBto<Bto,Entity> {
-//Bto入参
-private Bto bto;
-//Bto对应的Entity，前项
-private Entity entity;
+  public class UpdatedBto<Bto,Entity,BO> {
+    private Bto bto;//Bto入参
+    private Entity entity;//Bto对应的Entity，更新前值
+    private BO bo;//bo，更新后的值
   }
   ```
   ```java
-  //记录Bto创建的前后值
+  //记录Bto和它对应删除的实体
+  @Setter
+  @Getter
+  public class DeletedBto<Bto,Entity> {
+    private Bto bto; //Bto入参
+    private Entity entity; //Bto对应的Entity，前项
+  }
+  ```
+  ```java
+  //记录Bto和它对应创建出的Bo
   @Setter
   @Getter
   public class AddedBto<Bto,BO> {
-//Bto入参
-private Bto bto;
-//bo后项
-private BO bo;
+    private Bto bto;//Bto入参
+    private BO bo;//根据bto创建出来的Bo
   }
   ```