log user tag（create session and save user）

src/main/java/cn/quantgroup/xyqb/event/UserTagLoginEventListener.java

@@ -20,6 +20,7 @@ public class UserTagLoginEventListener implements ApplicationListener<UserLoginE
     /**
      * 逻辑 每次登录发送UserLoginEvent，落user_tag表
      * 如果没有就新增，如果有就更新
+     *
      * @param userLoginEvent UserLoginEvent
      */
     @Override
@@ -32,9 +33,9 @@ public class UserTagLoginEventListener implements ApplicationListener<UserLoginE
                 preTag = userTag;
             }
 
-            preTag.setCreatedAt(LocalDateTime.now());
-            preTag.setUpdatedAt(LocalDateTime.now());
 
+            preTag.setCreatedAt(userTag.getCreatedAt() == null ? LocalDateTime.now() : userTag.getCreatedAt());
+            preTag.setUpdatedAt(userTag.getUpdatedAt() == null ? LocalDateTime.now() : userTag.getUpdatedAt());
 
             userTagRepository.save(preTag);
         }