diff --git a/application/src/main/java/run/halo/app/theme/finders/impl/CommentPublicQueryServiceImpl.java b/application/src/main/java/run/halo/app/theme/finders/impl/CommentPublicQueryServiceImpl.java
index 8655f8be97..1f06e3209e 100644
--- a/application/src/main/java/run/halo/app/theme/finders/impl/CommentPublicQueryServiceImpl.java
+++ b/application/src/main/java/run/halo/app/theme/finders/impl/CommentPublicQueryServiceImpl.java
@@ -172,7 +172,7 @@ private Mono<? extends CommentVo> filterCommentSensitiveData(CommentVo commentVo
         specOwner.setName("");
         var email = owner.getEmail();
         if (StringUtils.isNotBlank(email)) {
-            var emailHash = DigestUtils.md5DigestAsHex(email.getBytes());
+            var emailHash = DigestUtils.sha256DigestAsHex(email.getBytes());
             if (specOwner.getAnnotations() == null) {
                 specOwner.setAnnotations(new HashMap<>(2));
             }
@@ -224,7 +224,7 @@ private Mono<? extends ReplyVo> filterReplySensitiveData(ReplyVo replyVo) {
         specOwner.setName("");
         var email = owner.getEmail();
         if (StringUtils.isNotBlank(email)) {
-            var emailHash = DigestUtils.md5DigestAsHex(email.getBytes());
+            var emailHash = DigestUtils.sha256DigestAsHex(email.getBytes());
             if (specOwner.getAnnotations() == null) {
                 specOwner.setAnnotations(new HashMap<>(2));
             }