diff --git a/src/main/java/cn/celess/blog/mapper/CommentMapper.java b/src/main/java/cn/celess/blog/mapper/CommentMapper.java
index 141bc5f..c79cd84 100644
--- a/src/main/java/cn/celess/blog/mapper/CommentMapper.java
+++ b/src/main/java/cn/celess/blog/mapper/CommentMapper.java
@@ -37,4 +37,6 @@ public interface CommentMapper {
     List<Comment> findAllByPagePathAndPid(String pagePath, long pid);
 
     long countByPagePath(String pagePath);
+
+    long count();
 }
diff --git a/src/main/java/cn/celess/blog/service/CountService.java b/src/main/java/cn/celess/blog/service/CountService.java
index b553031..7267ece 100644
--- a/src/main/java/cn/celess/blog/service/CountService.java
+++ b/src/main/java/cn/celess/blog/service/CountService.java
@@ -36,13 +36,6 @@ public interface CountService {
      */
     long getTagsCount();
 
-    /**
-     * 获取留言数量
-     *
-     * @return 留言数量
-     */
-    long getLeaveMessageCount();
-
     /**
      * 获取用户量
      *
diff --git a/src/main/java/cn/celess/blog/service/serviceimpl/CountServiceImpl.java b/src/main/java/cn/celess/blog/service/serviceimpl/CountServiceImpl.java
index 3165768..fecd29b 100644
--- a/src/main/java/cn/celess/blog/service/serviceimpl/CountServiceImpl.java
+++ b/src/main/java/cn/celess/blog/service/serviceimpl/CountServiceImpl.java
@@ -29,7 +29,7 @@ public class CountServiceImpl implements CountService {
 
     @Override
     public long getCommentCount() {
-        return commentMapper.countByType(true);
+        return commentMapper.count();
     }
 
     @Override
@@ -47,11 +47,6 @@ public class CountServiceImpl implements CountService {
         return tagMapper.count();
     }
 
-    @Override
-    public long getLeaveMessageCount() {
-        return commentMapper.countByType(false);
-    }
-
     @Override
     public long getUserCount() {
         return userMapper.count();
diff --git a/src/main/resources/mapper/CommentMapper.xml b/src/main/resources/mapper/CommentMapper.xml
index 2bc43bb..6c7026e 100644
--- a/src/main/resources/mapper/CommentMapper.xml
+++ b/src/main/resources/mapper/CommentMapper.xml
@@ -108,7 +108,7 @@
         limit 1
     </select>
 
-    <select id="count">
+    <select id="count" resultType="long">
         select count(*)
         from article where is_delete = false;
     </select>