diff --git a/src/main/java/run/halo/app/controller/admin/api/JournalController.java b/src/main/java/run/halo/app/controller/admin/api/JournalController.java
index d60a29210..708518113 100644
--- a/src/main/java/run/halo/app/controller/admin/api/JournalController.java
+++ b/src/main/java/run/halo/app/controller/admin/api/JournalController.java
@@ -50,7 +50,7 @@ public class JournalController {
     }
 
     @GetMapping
-    @ApiOperation("Gets latest journals")
+    @ApiOperation("Lists journals")
     public Page<JournalWithCmtCountDTO> pageBy(@PageableDefault(sort = "updateTime", direction = DESC) Pageable pageable,
                                                JournalQuery journalQuery) {
         Page<Journal> journalPage = journalService.pageBy(journalQuery, pageable);
diff --git a/src/main/java/run/halo/app/repository/JournalCommentRepository.java b/src/main/java/run/halo/app/repository/JournalCommentRepository.java
index 904d849a8..737ff89a8 100644
--- a/src/main/java/run/halo/app/repository/JournalCommentRepository.java
+++ b/src/main/java/run/halo/app/repository/JournalCommentRepository.java
@@ -1,8 +1,14 @@
 package run.halo.app.repository;
 
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.lang.NonNull;
 import run.halo.app.model.entity.JournalComment;
+import run.halo.app.model.projection.CommentChildrenCountProjection;
+import run.halo.app.model.projection.CommentCountProjection;
 import run.halo.app.repository.base.BaseCommentRepository;
 
+import java.util.List;
+
 /**
  * Journal comment repository.
  *
@@ -11,8 +17,18 @@ import run.halo.app.repository.base.BaseCommentRepository;
  */
 public interface JournalCommentRepository extends BaseCommentRepository<JournalComment> {
 
-//    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) from JournalComment comment where comment.postId in ?1 group by comment.postId")
-//    @NonNull
-//    @Override
-//    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
+    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) " +
+            "from JournalComment comment " +
+            "where comment.postId in ?1 group by comment.postId")
+    @NonNull
+    @Override
+    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
+
+    @Query("select new run.halo.app.model.projection.CommentChildrenCountProjection(count(comment.id), comment.parentId) " +
+            "from JournalComment comment " +
+            "where comment.parentId in ?1 " +
+            "group by comment.parentId")
+    @NonNull
+    @Override
+    List<CommentChildrenCountProjection> findDirectChildrenCount(@NonNull Iterable<Long> commentIds);
 }
diff --git a/src/main/java/run/halo/app/repository/PostCommentRepository.java b/src/main/java/run/halo/app/repository/PostCommentRepository.java
index 461801739..974178d46 100644
--- a/src/main/java/run/halo/app/repository/PostCommentRepository.java
+++ b/src/main/java/run/halo/app/repository/PostCommentRepository.java
@@ -1,8 +1,14 @@
 package run.halo.app.repository;
 
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.lang.NonNull;
 import run.halo.app.model.entity.PostComment;
+import run.halo.app.model.projection.CommentChildrenCountProjection;
+import run.halo.app.model.projection.CommentCountProjection;
 import run.halo.app.repository.base.BaseCommentRepository;
 
+import java.util.List;
+
 /**
  * PostComment repository.
  *
@@ -11,9 +17,17 @@ import run.halo.app.repository.base.BaseCommentRepository;
  */
 public interface PostCommentRepository extends BaseCommentRepository<PostComment> {
 
-//    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) from PostComment comment where comment.postId in ?1 group by comment.postId")
-//    @NonNull
-//    @Override
-//    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
+    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) " +
+            "from PostComment comment " +
+            "where comment.postId in ?1 group by comment.postId")
+    @NonNull
+    @Override
+    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
 
+    @Query("select new run.halo.app.model.projection.CommentChildrenCountProjection(count(comment.id), comment.parentId) " +
+            "from PostComment comment " +
+            "where comment.parentId in ?1 " +
+            "group by comment.parentId")
+    @NonNull
+    List<CommentChildrenCountProjection> findDirectChildrenCount(@NonNull Iterable<Long> commentIds);
 }
diff --git a/src/main/java/run/halo/app/repository/SheetCommentRepository.java b/src/main/java/run/halo/app/repository/SheetCommentRepository.java
index a197e143d..e121952b5 100644
--- a/src/main/java/run/halo/app/repository/SheetCommentRepository.java
+++ b/src/main/java/run/halo/app/repository/SheetCommentRepository.java
@@ -1,8 +1,14 @@
 package run.halo.app.repository;
 
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.lang.NonNull;
 import run.halo.app.model.entity.SheetComment;
+import run.halo.app.model.projection.CommentChildrenCountProjection;
+import run.halo.app.model.projection.CommentCountProjection;
 import run.halo.app.repository.base.BaseCommentRepository;
 
+import java.util.List;
+
 /**
  * Sheet comment repository.
  *
@@ -10,9 +16,18 @@ import run.halo.app.repository.base.BaseCommentRepository;
  * @date 19-4-24
  */
 public interface SheetCommentRepository extends BaseCommentRepository<SheetComment> {
-//
-//    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) from SheetComment comment where comment.postId in ?1 group by comment.postId")
-//    @NonNull
-//    @Override
-//    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
+
+    @Query("select new run.halo.app.model.projection.CommentCountProjection(count(comment.id), comment.postId) " +
+            "from SheetComment comment " +
+            "where comment.postId in ?1 group by comment.postId")
+    @NonNull
+    @Override
+    List<CommentCountProjection> countByPostIds(@NonNull Iterable<Integer> postIds);
+
+    @Query("select new run.halo.app.model.projection.CommentChildrenCountProjection(count(comment.id), comment.parentId) " +
+            "from SheetComment comment " +
+            "where comment.parentId in ?1 " +
+            "group by comment.parentId")
+    @NonNull
+    List<CommentChildrenCountProjection> findDirectChildrenCount(@NonNull Iterable<Long> commentIds);
 }