diff --git a/src/main/java/cc/ryanc/halo/repository/PostRepository.java b/src/main/java/cc/ryanc/halo/repository/PostRepository.java
index 66760ef06..4ed97b354 100644
--- a/src/main/java/cc/ryanc/halo/repository/PostRepository.java
+++ b/src/main/java/cc/ryanc/halo/repository/PostRepository.java
@@ -48,6 +48,15 @@ public interface PostRepository extends BaseRepository<Post, Integer>, JpaSpecif
      */
     long countByUrl(@NonNull String url);
 
+    /**
+     * Count by not url and post id not in.
+     *
+     * @param id  post id must not be null
+     * @param url post url must not be null
+     * @return the count
+     */
+    long countByIdNotAndUrl(@NonNull Integer id, @NonNull String url);
+
     /**
      * Get post by url
      *
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 75263c4b1..72218bc73 100644
--- a/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java
+++ b/src/main/java/cc/ryanc/halo/service/impl/PostServiceImpl.java
@@ -189,7 +189,12 @@ public class PostServiceImpl extends AbstractCrudService<Post, Integer> implemen
         Assert.notNull(postOperation, "Post operation must not be null");
 
         // Check url
-        long count = postRepository.countByUrl(post.getUrl());
+        long count;
+        if (post.getId() != null) {
+            count = postRepository.countByIdNotAndUrl(post.getId(), post.getUrl());
+        } else {
+            count = postRepository.countByUrl(post.getUrl());
+        }
 
         if (count > 0) {
             throw new AlreadyExistsException("The post url has been exist already").setErrorData(post.getUrl());