diff --git a/src/main/java/me/qwq/doghouse/entity/Post.java b/src/main/java/me/qwq/doghouse/entity/Post.java
index a308e54..8e72222 100644
--- a/src/main/java/me/qwq/doghouse/entity/Post.java
+++ b/src/main/java/me/qwq/doghouse/entity/Post.java
@@ -27,6 +27,7 @@ import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 import me.qwq.doghouse.enums.PostStatusEnum;
 import me.qwq.doghouse.enums.PostTypeEnum;
+import me.qwq.doghouse.interfaces.IAvatarUrl;
 import me.qwq.doghouse.interfaces.IFriendlyName;
 import me.qwq.doghouse.interfaces.IPostPassMess;
 import me.qwq.doghouse.validator.FriendlyNameValid;
@@ -40,7 +41,7 @@ import me.qwq.doghouse.validator.FriendlyNameValid;
 @EqualsAndHashCode(callSuper = false)
 @Accessors(chain = true)
 @FriendlyNameValid
-public class Post extends Model<Post> implements Serializable, IPostPassMess<Post>, ITreeView<Post>, IFriendlyName {
+public class Post extends Model<Post> implements Serializable, IPostPassMess<Post>, ITreeView<Post>, IAvatarUrl, IFriendlyName {
 
     private static final long serialVersionUID = 1L;