diff --git a/backend/src/main/java/com/openisle/service/NotificationService.java b/backend/src/main/java/com/openisle/service/NotificationService.java
index 9ad4d9cdd..86335151b 100644
--- a/backend/src/main/java/com/openisle/service/NotificationService.java
+++ b/backend/src/main/java/com/openisle/service/NotificationService.java
@@ -10,7 +10,8 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.transaction.annotation.Transactional;
-
+import org.springframework.transaction.support.TransactionSynchronization;
+import org.springframework.transaction.support.TransactionSynchronizationManager;
 import java.util.Map;
 
 import java.util.regex.Pattern;
@@ -71,7 +72,7 @@ public class NotificationService {
         }
         n = notificationRepository.save(n);
 
-        notificationExecutor.execute(() -> {
+//        Runnable asyncTask = () -> {
             if (type == NotificationType.COMMENT_REPLY && user.getEmail() != null && post != null && comment != null) {
                 String url = String.format("%s/posts/%d#comment-%d", websiteUrl, post.getId(), comment.getId());
                 emailSender.sendEmail(user.getEmail(), "有人回复了你", url);
@@ -95,7 +96,18 @@ public class NotificationService {
 //                    }
 //                }
             }
-        });
+//        };
+
+//        if (TransactionSynchronizationManager.isSynchronizationActive()) {
+//            TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
+//                @Override
+//                public void afterCommit() {
+//                    notificationExecutor.execute(asyncTask);
+//                }
+//            });
+//        } else {
+//            notificationExecutor.execute(asyncTask);
+//        }
 
         return n;
     }
diff --git a/frontend/src/components/CallbackPage.vue b/frontend/src/components/CallbackPage.vue
index 764b15a11..8fe8461c4 100644
--- a/frontend/src/components/CallbackPage.vue
+++ b/frontend/src/components/CallbackPage.vue
@@ -22,6 +22,7 @@ export default {
   flex-direction: column;
   align-items: center;
   justify-content: center;
+  height: 100%;
 }
 
 .callback-page-text {