diff --git a/src/main/java/run/halo/app/content/Contributor.java b/src/main/java/run/halo/app/content/Contributor.java
index fb86fb4904..b9af1e804d 100644
--- a/src/main/java/run/halo/app/content/Contributor.java
+++ b/src/main/java/run/halo/app/content/Contributor.java
@@ -13,4 +13,11 @@ public class Contributor {
     private String displayName;
     private String avatar;
     private String name;
+
+    public static Contributor getGhost() {
+        Contributor contributor = new Contributor();
+        contributor.setName("ghost");
+        contributor.setDisplayName("已删除用户");
+        return contributor;
+    }
 }
diff --git a/src/main/java/run/halo/app/content/impl/PostServiceImpl.java b/src/main/java/run/halo/app/content/impl/PostServiceImpl.java
index 11311a80ab..377cd48278 100644
--- a/src/main/java/run/halo/app/content/impl/PostServiceImpl.java
+++ b/src/main/java/run/halo/app/content/impl/PostServiceImpl.java
@@ -231,7 +231,8 @@ private Flux<Contributor> listContributors(List<String> usernames) {
                 contributor.setDisplayName(user.getSpec().getDisplayName());
                 contributor.setAvatar(user.getSpec().getAvatar());
                 return contributor;
-            });
+            })
+            .defaultIfEmpty(Contributor.getGhost());
     }
 
     @Override