diff --git a/src/main/java/cn/com/tenlion/operator/pojo/Da.java b/src/main/java/cn/com/tenlion/operator/pojo/Da.java
new file mode 100644
index 0000000..142ccd3
--- /dev/null
+++ b/src/main/java/cn/com/tenlion/operator/pojo/Da.java
@@ -0,0 +1,15 @@
+package cn.com.tenlion.operator.pojo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Da {
+
+    List<UserEvent> events = new ArrayList<>();
+
+    public void register() {
+        // ...注册逻辑
+        // this.events.add(new UserRegisteredEvent(this.id)); // 记录领域事件
+    }
+
+}
diff --git a/src/main/resources/mybatis/mapper-operator/userinfo/userinfo-mapper.xml b/src/main/resources/mybatis/mapper-operator/userinfo/userinfo-mapper.xml
index 7c65e0f..50bb77e 100644
--- a/src/main/resources/mybatis/mapper-operator/userinfo/userinfo-mapper.xml
+++ b/src/main/resources/mybatis/mapper-operator/userinfo/userinfo-mapper.xml
@@ -34,10 +34,10 @@
             t3.account_money
         FROM
             sys_user t2
-        LEFT JOIN
+                LEFT JOIN
             operator_account t3
-        ON
-            t2.user_id = t3.user_id
+            ON
+                t2.user_id = t3.user_id
         WHERE
             t2.is_delete = 0 AND t2.user_id = #{userId}
     </select>