diff --git a/src/main/java/cc/ryanc/halo/service/impl/CommentServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/CommentServiceImpl.java
index 1385aa02a..ca7786d32 100644
--- a/src/main/java/cc/ryanc/halo/service/impl/CommentServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/CommentServiceImpl.java
@@ -24,6 +24,8 @@ public class CommentServiceImpl implements CommentService {
 
     private static final String COMMENTS_CACHE_NAME = "comments";
 
+    private static final String POSTS_CACHE_NAME = "posts";
+
     @Autowired
     private CommentRepository commentRepository;
 
@@ -33,7 +35,7 @@ public class CommentServiceImpl implements CommentService {
      * @param comment comment
      */
     @Override
-    @CacheEvict(value = COMMENTS_CACHE_NAME, allEntries = true, beforeInvocation = true)
+    @CacheEvict(value = {COMMENTS_CACHE_NAME, POSTS_CACHE_NAME}, allEntries = true, beforeInvocation = true)
     public void saveByComment(Comment comment) {
         commentRepository.save(comment);
     }
@@ -45,7 +47,7 @@ public class CommentServiceImpl implements CommentService {
      * @return Optional
      */
     @Override
-    @CacheEvict(value = COMMENTS_CACHE_NAME, allEntries = true, beforeInvocation = true)
+    @CacheEvict(value = {COMMENTS_CACHE_NAME, POSTS_CACHE_NAME}, allEntries = true, beforeInvocation = true)
     public Optional<Comment> removeByCommentId(Long commentId) {
         Optional<Comment> comment = this.findCommentById(commentId);
         commentRepository.delete(comment.get());
diff --git a/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java b/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java
index e825078d2..076c7bf94 100755
--- a/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java
@@ -32,6 +32,8 @@ public class PostServiceImpl implements PostService {
 
     private static final String POSTS_CACHE_NAME = "posts";
 
+    private static final String COMMENTS_CACHE_NAME = "comments";
+
     @Autowired
     private PostRepository postRepository;
 
@@ -42,7 +44,7 @@ public class PostServiceImpl implements PostService {
      * @return Post
      */
     @Override
-    @CacheEvict(value = POSTS_CACHE_NAME, allEntries = true, beforeInvocation = true)
+    @CacheEvict(value = {POSTS_CACHE_NAME, COMMENTS_CACHE_NAME}, allEntries = true, beforeInvocation = true)
     public Post saveByPost(Post post) {
         return postRepository.save(post);
     }
@@ -54,7 +56,7 @@ public class PostServiceImpl implements PostService {
      * @return Post
      */
     @Override
-    @CacheEvict(value = POSTS_CACHE_NAME, allEntries = true, beforeInvocation = true)
+    @CacheEvict(value = {POSTS_CACHE_NAME, COMMENTS_CACHE_NAME}, allEntries = true, beforeInvocation = true)
     public Post removeByPostId(Long postId) {
         Optional<Post> post = this.findByPostId(postId);
         postRepository.delete(post.get());