diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/app/AppSystemController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/app/AppSystemController.java
index ef95a976..b46afe9a 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/app/AppSystemController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/app/AppSystemController.java
@@ -1949,6 +1949,9 @@ public class AppSystemController extends BaseController {
             // 现不删除其点赞数据.
             userFollowService.deleteSysUserFollowUserId(userId);
 
+            // 清理系统通知 sys_user_notification 表中的数据, sender_id = user_id的数据
+            userNotificationService.deleteSysUserNotificationBySenderId(userId);
+
             return success();
         }else{
             return error();
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserNotificationMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserNotificationMapper.java
index 20f0059a..99038fee 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserNotificationMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserNotificationMapper.java
@@ -90,4 +90,9 @@ public interface SysUserNotificationMapper
     *消息--查看新增点赞消息
      */
     public List<WorkLikeDto> getWorkLikeList(Long userId);
+
+    /*
+     * 注销账户是 删除通知数据
+     * */
+    public int deleteSysUserNotificationBySenderId(Long userId);
 }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserNotificationService.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserNotificationService.java
index d829a135..1a2ccd08 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserNotificationService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysUserNotificationService.java
@@ -90,4 +90,9 @@ public interface ISysUserNotificationService
     * 消息--查看点赞消息列表
     * */
     public List<WorkLikeDto> getWorkLikeList(Long userId);
+
+    /*
+    * 注销账户是 删除通知数据
+    * */
+    public int deleteSysUserNotificationBySenderId(Long userId);
 }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserNotificationServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserNotificationServiceImpl.java
index 8c39702a..71999c9f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserNotificationServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserNotificationServiceImpl.java
@@ -198,4 +198,12 @@ public class SysUserNotificationServiceImpl implements ISysUserNotificationServi
     public List<WorkLikeDto> getWorkLikeList(Long userId){
         return sysUserNotificationMapper.getWorkLikeList(userId);
     }
+
+    /*
+     * 注销账户是 删除通知数据
+     * */
+    @Override
+    public int deleteSysUserNotificationBySenderId(Long userId){
+        return sysUserNotificationMapper.deleteSysUserNotificationBySenderId(userId);
+    }
 }
diff --git a/ruoyi-system/src/main/resources/mapper/system/SysUserNotificationMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysUserNotificationMapper.xml
index 261c82c7..562ea35f 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysUserNotificationMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysUserNotificationMapper.xml
@@ -146,4 +146,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             #{id}
         </foreach>
     </delete>
+    <delete id="deleteSysUserNotificationBySenderId">
+        delete from sys_user_notification where sender_id = #{userId}
+    </delete>
 </mapper>
\ No newline at end of file